Gânglio na bainha do tendão flexor Folheto In-depth

O que você está sentindo

Você tem um nódulo pequeno e firme na palma da mão, geralmente perto da base de um dedo. Ele fica sobre o túnel tendíneo responsável pela flexão do dedo. Esse nódulo é um cisto sinovial, um saco cheio de líquido que se formou a partir do revestimento desse túnel tendíneo. Ele pode ser sentido sob a pele como uma ervilha.

O nódulo pode doer, especialmente ao segurar ou apertar algo. Pressioná-lo também pode ser desconfortável. Atividades que exigem a flexão do dedo contra o nódulo causam dor, como segurar o volante do carro, carregar sacolas de compras ou manusear ferramentas. Para algumas pessoas, o nódulo fica mais perceptível após usar muito a mão.

Um nódulo nessa região pode ser facilmente confundido com outras condições. A doença do dedo em gatilho, na qual o dedo trava ou “clica” ao ser dobrado, tem sintomas semelhantes. A doença de Dupuytren, caracterizada pela formação de cordões de tecido que puxam os dedos em direção à palma, também pode ser parecida. O seu cirurgião examinará o nódulo para determinar qual dessas condições você apresenta. Exames como a ultrassonografia ajudam a confirmar o diagnóstico.

Os cistos sinoviais costumam mudar ao longo do tempo. Muitos encolhem sozinhos, embora isso possa levar anos. Outros permanecem do mesmo tamanho ou crescem lentamente. É possível aspirar o líquido do nódulo com uma agulha; isso geralmente traz alívio temporário, mas o cisto tende a reaparecer. A cirurgia para remover todo o nódulo reduz bastante a chance de recorrência.

Se o nódulo for doloroso ou atrapalhar suas atividades diárias, existem boas opções de tratamento. A aspiração do líquido costuma ser o primeiro passo. A remoção cirúrgica do nódulo também é uma alternativa eficaz quando ele continua causando incômodo.

O que está realmente acontecendo

O seu dedo se dobra graças a um tendão, uma estrutura resistente que vai do antebraço, passando pela palma da mão, até o dedo. Esse tendão desliza dentro de um túnel apertado chamado bainha tendinosa. O revestimento interno desse túnel produz uma pequena quantidade de líquido que funciona como óleo em uma dobradiça, permitindo que o tendão deslize suavemente.

Um cisto sinovial se forma quando parte desse revestimento se dilata e se enche de um líquido espesso e transparente. É um pouco como uma pequena bolha se formando na parede do túnel. O saco permanece conectado ao túnel; por isso, a aspiração do líquido com uma agulha nem sempre resolve o problema. Enquanto essa conexão persistir, o saco pode voltar a se encher.

O nódulo em si é inofensivo, mas ocupa um espaço que já é bastante limitado. É por isso que segurar ou apertar algo pode causar dor: o saco inchado pressiona os tecidos ao redor. Essa proximidade também explica por que um nódulo nessa região pode ficar perto das estruturas responsáveis pelo clique ou travamento do dedo, e por que o cirurgião avalia cuidadosamente qual condição você apresenta.

Na maioria dos casos, esses nódulos permanecem estáveis ao longo do tempo. Alguns diminuem de tamanho ou desaparecem por conta própria. Algumas pessoas têm maior tendência a desenvolver esse tipo de cisto; além disso, punhos mais frouxos parecem aumentar a probabilidade de surgimento de cistos sinoviais. Caso um cisto seja removido cirurgicamente, há cerca de 10% de chance de ele reaparecer no mesmo local.

O mais importante é saber o que esse nódulo não é: não é câncer, nem se espalha para outras partes do corpo. Trata-se apenas de um acúmulo de líquido proveniente de um revestimento já existente na mão. Compreender isso pode tornar as opções de tratamento menos intimidadoras: observação e espera, aspiração ou remoção cirúrgica.

O que podemos fazer a respeito

O Dr. Kieran Hirpara, cirurgião de membros superiores no Mater Private Hospital Rockhampton, começa com as opções menos invasivas que se adequam ao seu caso. Em geral, os pacientes são encaminhados à nossa clínica pelo médico de família; caso um fisioterapeuta tenha sugerido que você nos procure, ainda assim será necessário um encaminhamento do seu médico de família para que você tenha direito ao reembolso do Medicare. Na sua primeira consulta, colhemos um histórico detalhado, examinamos o nódulo e solicitamos um exame de imagem, como ultrassonografia, se isso ajudar a confirmar sua natureza.

Como mencionado anteriormente, muitos desses nódulos desaparecem por conta própria. Se o seu não causa dor nem atrapalha suas atividades, podemos simplesmente monitorá-lo. Alterar a forma como você segura objetos ou realiza movimentos pode aliviar a pressão sobre o nódulo. A terapia ocupacional visa manter o movimento confortável dos dedos e diminuir a dor ao usar a mão.

A aspiração do líquido com uma agulha costuma ser o primeiro procedimento tentado. A agulha drena o líquido espesso do saco, o que faz o nódulo diminuir temporariamente. Contudo, a conexão com o túnel tendíneo geralmente permanece aberta, fazendo com que o nódulo volte a se formar. Conversamos sobre essa etapa com você antes da cirurgia, pois ela pode evitar a operação em alguns pacientes.

Se o nódulo continuar a causar problemas mesmo após essas medidas, discutimos a possibilidade de removê-lo cirurgicamente. A operação retira todo o saco e sua conexão com o túnel tendíneo, reduzindo as chances de recorrência. Qualquer cirurgia deixa uma cicatriz e traz riscos de complicações; abordamos esses aspectos com você. Para algumas pessoas, a cirurgia não alivia a dor nem melhora o funcionamento da mão tanto quanto deixar o nódulo como está; por isso, avaliamos isso juntos.

O que esperar

A maioria desses nódulos evolui de forma estável. Alguns mantêm o mesmo tamanho, e poucos crescem lentamente. A dor costuma aparecer e desaparecer conforme o uso da mão.

Se você deixar o nódulo sem intervenção, há grande chance de ele se resolver sozinho, embora isso possa levar anos. A aspiração do líquido geralmente traz alívio temporário, mas a maioria dos cistos sinoviais volta a aparecer depois disso. A remoção cirúrgica do nódulo reduz a probabilidade de recorrência; os pacientes que passam por esse procedimento relatam melhora na função da mão e diminuição da dor em até 6 semanas. Contudo, a cirurgia não garante uma mão totalmente livre de dor, e para algumas pessoas ela não traz benefícios maiores do que simplesmente deixar o nódulo como está.

Caso o nódulo seja removido e não volte a aparecer, a maioria das pessoas retoma sua rotina normal. A cicatriz vai se suavizando ao longo dos meses. Porém, alguns nódulos voltam a crescer no mesmo local mesmo após uma remoção cuidadosa; por isso, acompanhamos essa área nas consultas de retorno. Se isso ocorrer, você e seu cirurgião poderão discutir quais serão os próximos passos.

Quando procurar ajuda médica

A maioria dos nódulos como este é inofensiva e pode ser avaliada em uma consulta de rotina. Procure seu médico de família se o nódulo for doloroso, estiver crescendo ou dificultar sua capacidade de segurar objetos ou realizar tarefas diárias. Solicite avaliação por um especialista se o dedo travar ou “clicar” ao dobrar-se, ou se os dedos estiverem sendo puxados em direção à palma da mão; esses podem ser sinais de outra condição que exige tratamento diferente. Dirija-se ao pronto-socorro se a mão ficar quente, vermelha e inchada, ou se surgir febre, pois uma infecção requer atendimento imediato. Busque avaliação urgente caso perceba formigamento, dormência ou fraqueza no polegar ou nos dedos, pois um nódulo pressionando um nervo pode provocar problemas duradouros se não for tratado a tempo.

Em maior profundidade

Advanced reading: the deeper science (optional)

Esta seção vai além do que você precisa saber para tomar decisões sobre o próprio tratamento. O ganglion na bainha do tendão flexor merece uma leitura mais detalhada, pois é o menor nódulo na cirurgia da mão capaz de provocar sintomas desproporcionalmente intensos; além disso, o tecido ao qual está ligado determina tanto o motivo da dor quanto o porquê de os tratamentos simples não surtirem efeito.

Um nódulo do tamanho de uma ervilha que causa dor desproporcional

Esses cistos, também chamados de cistos retinaculares ou gânglios retinaculares volares, surgem a partir da bainha fibrosa que mantém os tendões flexores presos aos ossos dos dedos [1]. Eles ficam na base do dedo, na palma da mão; geralmente têm apenas alguns milímetros de diâmetro e são firmes, não macios.

O sintoma é característico e se explica facilmente quando se compreende a anatomia: dor ao segurar algo duro e estreito — um volante, um taco de golfe, o guidão de uma bicicleta ou a alça de uma sacola de compras. O cisto fica preso entre o objeto e o osso subjacente; não há tecido mole para amortecer a pressão, pois a bainha está diretamente ligada à falange.

É por isso que o tamanho do cisto tem pouca correlação com os sintomas. Um inchaço grande e macio na parte de trás do pulso pode ser indolor, enquanto uma lesão muito menor na base de um dedo pode realmente limitar os movimentos.

A mesma regra aplicável a qualquer outro cisto sinovial

O seu comportamento depende do que está conectado a ele. O cisto se origina da bainha do tendão e é preenchido por ela; portanto, a mecânica é a mesma dos cistos sinoviais do punho e dos cistos mucosos: a bolsa cística é apenas a manifestação visível do problema, não a sua origem.

Assim, a punção ou aspiração do cisto alivia o inchaço, mas não corrige a causa do vazamento. A recorrência após uma drenagem simples é comum; o tratamento definitivo consiste na excisão do cisto juntamente com a porção afetada da bainha tendinosa de onde ele se origina.

Por que a cirurgia é menos extensa do que parece, mas não é trivial

A excisão é um procedimento breve, realizado por meio de uma pequena incisão na base do dedo, sendo geralmente curativa. Dois aspectos anatômicos justificam a necessidade de cuidado nessa região.

Os nervos digitais percorrem imediatamente ao lado da bainha flexora, um de cada lado; na base do dedo, eles são superficiais e ficam próximos às estruturas da linha média que são removidas. O surgimento de uma área adormecida ao longo de uma das bordas do dedo é um risco conhecido de cirurgias pequenas nessa localização.

Em segundo lugar, apenas a porção redundante da bainha pode ser removida. As estruturas que fixam os tendões ao osso são responsáveis por suportar cargas; a perda de uma dessas estruturas críticas faz com que o tendão se afaste do dedo, enfraquecendo a força de preensão. Por isso, a excisão é deliberadamente limitada ao trecho da bainha que não exerce essa função.

Quando não é necessário intervir

Como essa lesão é benigna e não cresce indefinidamente, o tratamento é indicado apenas com base nos sintomas. Um cisto que é visível, mas não causa dor durante o aperto diário, não requer nenhum tipo de intervenção. O tratamento só é indicado quando uma atividade específica e repetida fica comprometida; esse é um indicador mais claro do que a maioria dos outros, pois a pessoa geralmente consegue identificar facilmente o tipo de movimento que desencadeia os sintomas.

Os cistos relacionados na articulação da ponta do dedo e no pulso são abordados em páginas separadas; o princípio comum a todos os três casos é que o “pedúnculo” do cisto, e não o próprio saco cístico, determina se o problema voltará a ocorrer.

Referências

[1] Foret AL, Chhabra AB. Ganglios na retinácula volar. J Hand Surg Am. 2012;37(3):566-7. https://doi.org/10.1016/j.jhsa.2011.05.013

Evidence & references

This is the clinical evidence summary written for health professionals. It is technical, and it lists the research this page was built from. You do not need to read it to understand your treatment or to make a decision about it.

Overview

Surgical excision is a simple, safe, and effective method for treating a painful ganglion of the digital flexor tendon sheath [1].
Percutaneous puncture is a practical option for managing flexor tendon sheath ganglions given its low cost, lack of downtime, and low recurrence rate [2].
No recurrences were observed after a second puncture in the cohort assessed for percutaneous puncture of flexor sheath ganglions [2].
Endoscopic ganglionectomy via flexor carpi radialis tendoscopy is a minimally invasive approach that offers better cosmesis, less soft tissue trauma, and the ability to manage concomitant FCR tendon pathology [3].
Endoscopic ganglionectomy via flexor carpi radialis tendoscopy carries risks of recurrence and nerve or vessel injury [3].
Pediatric ganglions are more commonly found on the volar surface of the hand and wrist compared to adults [4].
Pediatric ganglions more commonly have tendon sheath origin compared to adults [4].
There is no consensus within the literature regarding the best management of pediatric wrist ganglia [9].
No single treatment modality confers a particular advantage or disadvantage over another for pediatric wrist ganglia [9].
Current best evidence suggests that about 40% of lesions decrease over the first 6 years after evaluation by a hand surgeon [18].
Current best evidence suggests that most ganglions recur after aspiration [18].
Current best evidence suggests that surgical intervention has about a 10% recurrence rate [18].
Surgical intervention for ganglions leaves scars and has some risk for adverse events [18].
Operation-related complications after arthroscopic volar wrist ganglionectomy are associated with anatomical location distal to the bifurcation of the radial artery and concurrently penetrated up to the superficial fascia layer [21].

Anatomy & Pathophysiology

Anatomical Location and Origin

Volar wrist ganglia tend to arise in the interval between the first extensor compartment and the flexor carpi radialis (FCR) tendon sheath, just proximal to the wrist flexion crease [7].
Approximately two thirds of anterior wrist ganglions reportedly arise from the radiocarpal joint [7].
One third of anterior wrist ganglions reportedly arise from the scaphotrapezial joint [7].
Ganglion cysts that arise from the FCR sheath are often located slightly more medially, either just radial or palmar to the sheath [7].
Ganglions arising from the FCR sheath are typically less mobile than ganglions arising from the wrist joint [7].
Ganglions arising from the first extensor compartment tend to adhere to the sheath (extensor retinaculum) and are less mobile [7].
Ganglions are defined as cystic swellings closely connected to joints or tendon sheaths which contain mucinous material [64].

Clinical Presentation and Physical Characteristics

Volar wrist ganglia typically appear to be 1 to 2 cm in size but may be significantly larger at the time of surgical dissection [7].
Patients with volar wrist ganglions often present with a mass that has been present for a number of months or years and is typically asymptomatic [7].
Patients with volar wrist ganglions often note discomfort when the mass is "bumped" [7].
Clinically, volar wrist ganglia are compressible, slightly mobile, nontender, and visible when transilluminated [7].
Volar wrist ganglia are nonpulsatile but are often intimate with the radial artery, which is palpable alongside the lesion [7].
Most patients with intraneural ganglions are aged 30 to 50 years, though occurrence in children has also been reported [11].
Most patients with intraneural ganglions present with a painless mass [11].
Some patients with intraneural ganglions present with symptoms of nerve irritation or entrapment neuropathy [11].

Pathogenesis and Etiology

The etiology of ganglions is unknown [64].
Many hypotheses have been advanced for the pathogenesis of ganglions, including retention cyst, herniation of tendon or capsular synovia, bursal transformation, neoplasia, and mucinous degeneration of fibrous tissue [64].
Carp and Stout reported that a ganglion does not initially connect with the joint and that communication occurs secondary to degeneration of the capsule which then ruptures [64].
Injections of contrast material into ganglions usually fail to show a communication into the joint [64].
Injections of contrast material into the wrists of patients have demonstrated communications into the ganglions [64].
In forty of fifty-nine patients with ganglions in the study by Andrén and Eiken, contrast medium passed from the joint into the ganglion through a tortuous narrowed duct [64].
The articular (synovial) theory has gained worldwide acceptance as a scientifically proven explanation for the formation of intraneural ganglions [11].
The pathogenesis of intraneural ganglion cysts remains unclear, though trauma has been proposed as a possible reason [77].
The theory of articular unification is mainly accepted as the cause for intraneural ganglion cysts [77].

Nerve Involvement

Involvement of the peripheral nerves of the upper extremity by intraneural ganglion is rare [11].
The ulnar nerve is the most commonly involved nerve in the upper extremity by intraneural ganglion [11].
Almost any other nerve in the vicinity of a joint can be involved by intraneural ganglion [11].
Intraneural ganglion cysts are benign, mucinous, non-neoplastic lesions of the peripheral nerves [77].

Classification

Volar wrist ganglia tend to arise in the interval between the first extensor compartment and flexor carpi radialis (FCR) tendon sheath, just proximal to the wrist flexion crease [7].
Ganglion cysts that arise from the FCR sheath are often in a slightly more medial location, either just radial or palmar to the sheath [7].
Ganglions arising from the first extensor compartment tend to adhere to the sheath (extensor retinaculum) [7].
Ganglions arising from the first extensor compartment tend to be quite firm and are less mobile [7].
The proposed classification of ganglia helps minimize the area of resection required [50].

Clinical Presentation

General Characteristics

Volar wrist ganglia are typically asymptomatic masses that have been present for months or years [7].
Patients with volar wrist ganglions often report discomfort when the mass is bumped [7].
Clinically, volar wrist ganglions are compressible, slightly mobile, nontender, and visible when transilluminated [7].
Volar wrist ganglions are nonpulsatile but are often intimate with the radial artery, which is palpable alongside the lesion [7].
Ganglion cysts arising from the flexor carpi radialis (FCR) sheath are often located slightly more medially, either just radial or palmar to the sheath [7].
Ganglions arising from the first extensor compartment tend to adhere to the sheath, are quite firm, and are less mobile [7].

Epidemiology and Demographics

Women are significantly more likely to be diagnosed with a volar wrist ganglion, regardless of age or military status [6].
Pediatric ganglions more commonly have a tendon sheath origin compared to adults [4].
In children aged less than 10 years, ganglion cysts present on the volar aspect of the wrist [15].
In patients aged greater than 10 years, ganglions resemble those in the adult population and present on the dorsal aspect of the wrist [15].
Ganglions in pediatric populations demonstrate a female predilection [26].

Imaging and Diagnosis

Routine wrist radiography is not cost-effective in the evaluation of patients with a wrist ganglion due to a low prevalence of therapeutically significant findings [16].
MRI provides relatively good reliability in establishing the diagnosis of an occult dorsal wrist ganglion, with a sensitivity of 83% when using intra-operative findings as the standard [27].
MRI is an excellent diagnostic modality to evaluate rapidly growing upper extremity masses and distinguish ganglions from malignant processes [20].
The 3-dimensional FSE extended echo train MRI sequence (cube) provides better visualization of intraneural ganglions and articular connections to the cyst [11].

Investigations

Radiologists are less likely to identify occult dorsal ganglion cysts on MRI if the cyst is smaller or if the requisition form does not mention a cyst [63].
Recent advances in MRI technology, specifically the 3-dimensional FSE extended echo train sequence called cube, have revolutionized the visualization of intraneural ganglions and the articular branches that connect them to the joint [11].
High-resolution MRI techniques have the potential to improve patient outcomes by allowing better preoperative planning and more accurate surgical intervention [11].
Routine wrist radiography is not cost-effective in the evaluation and treatment decision-making process for patients with a wrist ganglion due to a low prevalence of therapeutically significant findings [16].
Sonography-guided wrist arthroscopy provides visualization of the ganglions and ganglion stalk, as well as of the arthroscopic shaver and adjacent structures such as nerves, vessels, and tendons [54].
Sonography-assisted arthroscopic resection is a safer and more reliable method for treating volar wrist ganglia [30].
A careful physical examination is essential to direct care and future testing if indicated, as diagnostic tests such as imaging can be expensive, time consuming, and often nonspecific [23].

Non-Operative Management

Nonsurgical treatment is largely ineffective in treating ganglion cysts, though it may be considered for symptomatic relief in patients who do not want surgery [55].
No recurrences were observed after a second puncture in the cohort assessed for percutaneous puncture of flexor tendon sheath ganglions [2].
Most ganglions recur after aspiration [18].
There is no consensus within the literature regarding the best management of pediatric wrist ganglia, and no single treatment modality confers a particular advantage or disadvantage over another [9].

Operative Management

Open surgical excision offers significantly lower chance of recurrence compared with aspiration in the treatment of wrist ganglions [62].
Surgical intervention has about a 10% recurrence rate, leaves scars, and has some risk for adverse events [18].
Arthroscopy allows for the simultaneous treatment of ganglions and other pathologies [10].
The outcomes, recurrence, and complications rates after 4 years of follow-up support the use of arthroscopy as a treatment for dorsal wrist ganglion [12].
At 12 months follow-up, the rates of recurrence with arthroscopic dorsal ganglion excision are comparable with and not superior to those of open excision [17].
Arthroscopic resection is an effective treatment strategy for intra-articular synovial ganglions refractory to conservative measures, providing complete resolution of symptoms and functional recovery with minimal soft tissue damage [51].
Arthroscopic ganglionectomy through an intrafocal cystic portal is a safe and efficacious option for the treatment of painful wrist ganglia [52].
Recurrent ganglion cysts originating from the midcarpal joint are not contraindications for arthroscopic resection [22].
In patients with the clinical diagnosis of wrist ganglion cyst, the quality of care would not be compromised by abandoning the practice of routine submission of surgical specimens for pathological examination after excision of the ganglion cyst [13, 25].

Outcomes and Complications

Recurrence of the wrist ganglion cyst occurred in five patients (9%) in a cohort of 53 patients undergoing arthroscopic resection [49].
PRWE scores were significantly higher in patients with a recurrence (30 vs. 12, p = 0.002) following arthroscopic resection [49].
Patients initially presenting with a new ganglion cyst had fewer recurrences at final follow-up compared with patients initially presenting with recurrence (4 vs. 15%, respectively) [49].
Three of the 53 patients (6%) had a complication following arthroscopic resection of wrist ganglion cysts [49].
One patient experienced neuropraxia of the radial superficial nerve, which resolved spontaneously [49].
One patient developed extensor carpi ulnaris (ECU) tendinitis which was successfully treated with splinting [49].
One patient experienced painful scar tissue, which was successfully removed surgically [49].
Worse hand function was associated with recurrence following prior surgery, worse baseline hand function and lower treatment credibility [28].

Complications

Surgical excision of flexor tendon sheath ganglions is considered a safe method with no specific complications reported in the cited study [1].
Percutaneous puncture of flexor tendon sheath ganglions has a low recurrence rate, with no recurrences observed after a second puncture in the studied cohort [2].
Volar wrist ganglions arising from the first extensor compartment or flexor carpi radialis (FCR) sheath may be difficult to distinguish from anterior wrist joint ganglions [7].
Ganglion cysts arising from the FCR sheath are typically less mobile than ganglions arising from the wrist joint [7].
Ganglions arising from the first extensor compartment tend to adhere to the sheath and are less mobile [7].
Operation-related complications after arthroscopic volar wrist ganglionectomy are associated with the anatomical location of the cyst, specifically when it is distal to the bifurcation of the radial artery and concurrently penetrated up to the superficial fascia layer [21].
Surgical intervention for wrist ganglions has a recurrence rate of approximately 10% [18].
Surgical intervention for wrist ganglions leaves scars and carries some risk for adverse events [18].
Open dorsal wrist ganglion excision in patients whose occupation or activities require forceful wrist extension is associated with a considerable risk of residual pain and functional limitations [70].
Arthroscopic resection of dorsal wrist ganglions has recurrence and complication rates that support its use as a treatment option [12].

Recovery

Surgical excision of a painful ganglion of the digital flexor tendon sheath is a simple, safe, and effective method [1].
Percutaneous puncture for flexor tendon sheath ganglions has a low recurrence rate, with no recurrences observed after a second puncture in the studied cohort [2].
Endoscopic ganglionectomy via flexor carpi radialis tendoscopy offers better cosmesis and less soft tissue trauma compared to other approaches [3].
In children with a wrist ganglion, if the cyst resolves spontaneously, it usually does so within 18 months [14].
In children aged <10 years, volar wrist ganglions are generally amenable to observation with spontaneous regression [15].
Open surgical excision for pediatric wrist ganglions demonstrates a relatively low recurrence rate with minimal complications [15].
Approximately 40% of wrist ganglion lesions decrease over the first 6 years after evaluation by a hand surgeon [18].
Surgical intervention for wrist ganglions has about a 10% recurrence rate [18].
Surgical intervention for wrist ganglions leaves scars and has some risk for adverse events [18].
Routine midcarpal joint exploration during arthroscopic excision of dorsal wrist ganglions appeared to reduce recurrence at 1 year without negatively impacting patient outcomes [29].
Complete resection of the ganglion stem and complete closure of the joint capsule is the most important step to avoid recurrences [71].

Key Evidence

[L4] Surgical excision is a simple, safe, and effective method for treating a painful ganglion of the digital flexor tendon sheath. [1] (10.1007/s11552-007-9028-4)
[L4] Percutaneous puncture is a practical option for managing flexor tendon sheath ganglions given its low cost, lack of downtime, and low recurrence rate, with no recurrences observed after a second puncture in this cohort. [2] (10.1177/17531934221115983)
[Paper] Endoscopic ganglionectomy via flexor carpi radialis tendoscopy is a minimally invasive approach that offers better cosmesis, less soft tissue trauma, and the ability to manage concomitant FCR tendon pathology, though it carries risks of recurrence and nerve or vessel injury. [3] (10.1016/j.eats.2017.06.002)
[L4] Pediatric ganglions are more commonly found on the volar surface of the hand and wrist and more commonly have tendon sheath origin compared to adults. [4] (10.1007/s11552-008-9122-2)
[L3] Women are significantly more likely to be diagnosed with a volar wrist ganglion, regardless of age or military status. [6] (10.1016/j.jhsa.2016.08.008)
[L5] [7] (10.1016/j.hcl.2004.03.015)
[L4] There is no consensus within the literature regarding the best management of pediatric wrist ganglia, and no single treatment modality confers a particular advantage or disadvantage over another. [9] (10.1177/1558944720966716)
[L4] Arthroscopy allows for the simultaneous treatment of ganglions and other pathologies. [10] (10.1016/j.jhsa.2012.04.042)
[L4] [11] (10.1016/j.jhsa.2015.05.025)
[L4] The outcomes, recurrence, and complications rates after 4 years of follow-up presented in this study support the use of arthroscopy as a treatment for dorsal wrist ganglion. [12] (10.1177/1558944717743601)
[L4] In patients with the clinical diagnosis of wrist ganglion cyst, the quality of care would not be compromised by abandoning the practice of routine submission of surgical specimens for pathological examination after excision of the ganglion cyst. [13] (10.1016/s0363-5023(10)60107-4)
[L4] In a child with a wrist ganglion, if the cyst ultimately resolved, it usually did so within 18 months. [14] (10.1016/j.jhsa.2019.10.032)
[L4] [15] (10.1016/j.jhsa.2021.12.015)
[L4] The study concludes that routinely performing wrist radiography is not cost-effective in the evaluation and treatment decision-making process for patients with a wrist ganglion due to a low prevalence of therapeutically significant findings. [16] (10.1007/s11552-007-9032-8)
[L1] At 12 months follow-up, the rates of recurrence with arthroscopic dorsal ganglion excision are comparable with and not superior to those of open excision. [17] (10.1016/j.jhsa.2008.01.009)
[L5] Current best evidence suggests that about 40% of lesions decrease over the first 6 years after evaluation by a hand surgeon, that most ganglions recur after aspiration, and that surgical intervention has about a 10% recurrence rate, leaves scars, and has some risk for adverse events. [18] (10.1016/j.jhsa.2010.11.048)
[L4] MRI is an excellent diagnostic modality to evaluate rapidly growing upper extremity masses and distinguish ganglions from malignant processes. [20] (10.1007/s11552-007-9083-x)
[L3] The operation-related complications after arthroscopic volar wrist ganglionectomy are associated with its anatomical location: distal to the bifurcation of the radial artery and concurrently penetrated up to the superficial fascia layer. [21] (10.1186/s12891-025-08766-x)
[L4] Ganglion cysts also have a high association with certain interosseous laxities, and recurrent ganglion cysts originating from the midcarpal joint are not contraindications for arthroscopic resection. [22] (10.1016/j.jhsa.2008.11.025)
[L3] This study suggests that, in patients with the clinical diagnosis of wrist ganglion cyst, quality of care would not be compromised by abandoning the practice of routinely submitting surgical specimens for pathological examination after excision of the ganglion cyst. [25] (10.1016/j.jhsa.2010.03.021)
[L2] Ganglions in pediatric populations, which most commonly affect the dorsal wrist, demonstrate a female predilection. [26] (10.1016/j.jhsa.2021.02.026)
[L3] MRI scans provide relatively good reliability in establishing the diagnosis of an occult dorsal wrist ganglion, with a sensitivity of 83% when using intra-operative findings as the standard. [27] (10.1177/1753193408092041)
[L2] Worse hand function was associated with recurrence following prior surgery, worse baseline hand function and lower treatment credibility. [28] (10.1177/17531934231153029)
[L3] Routine midcarpal joint exploration during arthroscopic excision of dorsal wrist ganglions appeared to reduce recurrence at 1 year without negatively impacting patient outcomes. [29] (10.1177/17531934251405730)
[Paper] This method is safer and more reliable for treating volar wrist ganglia. [30] (10.1016/j.eats.2011.12.007)
[L4] [49] (10.1055/s-0040-1716509)
[L4] The proposed classification of ganglia helps minimize the area of resection required. [50] (10.1054/jhsb.2001.0620)
[L4] Arthroscopic resection is an effective treatment strategy for intra-articular synovial ganglions refractory to conservative measures, providing complete resolution of symptoms and functional recovery with minimal soft tissue damage. [51] (10.1016/j.jhsg.2024.05.007)
[L4] Arthroscopic ganglionectomy through an intrafocal cystic portal is a safe and efficacious option for the treatment of painful wrist ganglia. [52] (10.1016/j.arthro.2009.08.021)
[L4] Sonography-guided wrist arthroscopy provides several advantages for surgeons, including visualization of the ganglions and ganglion stalk, as well as of the arthroscopic shaver and adjacent structures such as nerves, vessels, and tendons to perform surgery safely. [54] (10.1016/j.jhsa.2012.04.012)
[L4] Nonsurgical treatment is largely ineffective in treating ganglion cysts, though it may be considered for symptomatic relief in patients who do not want surgery. [55] (10.1155/2013/940615)
[L1] Open surgical excision offers significantly lower chance of recurrence compared with aspiration in the treatment of wrist ganglions. [62] (10.1016/j.jhsa.2014.12.014)
[L3] Radiologists are less likely to identify occult dorsal ganglion cysts on MRI if the cyst is smaller or if the requisition form does not mention a cyst. [63] (10.1055/s-0039-1683847)
[L4] [64] (10.2106/00004623-197254070-00009)
[L4] Patients whose occupation or activities require forceful wrist extension should be counseled on the considerable risk of residual pain and functional limitations that may occur after open dorsal wrist ganglion excision. [70] (10.1016/j.jhsa.2015.05.030)
[L4] Complete resection of the ganglion stem and complete closure of the joint capsule is the most important step to avoid recurrences. [71] (10.1007/s001670050073)
[L5] [77] (10.1186/s12883-018-1229-7)

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