The accessory soleus muscle causing tibial nerve compression neuropathy: A case report

Reddy, Pera Jayavardhan; McCollum, G

doi:10.17159/2309-8309/2015/v14n4a8

Cited by 4 publications

(6 citation statements)

References 11 publications

(15 reference statements)

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“…[ 25 26 ] When the surgeries are complicated by the supernumerary bundles, partial or complete removal of these bundles may be an option to facilitate the procedure. [ 27 ]…”

Section: Discussionmentioning

confidence: 99%

Anatomical Variations of the Anterior Belly of the Digastric Muscle in Thai Cadavers

Arayapisit

Vorakulpipat

Srimaneekarn

et al. 2022

Journal of International Society of Preventive and Community Dentistry

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A BSTRACT Aim: Because the digastric muscle is considered as an anatomical landmark, its variations may emphasize clinicians to be cautious during surgery. However, previous studies from different ethnicities reported a wide range of occurrence and several types of this muscle variation, pointing the necessity of the data from local population to better treatment decisions. Thus, this study aimed to explore the variations of the anterior belly of the digastric muscle in Thai cadavers. Materials and Methods: This cross-sectional study investigated the submental region of 91 cadavers by convenient sampling method. The characteristics of the variation in the anterior belly were recorded in accordance with sex and side of the cadavers. Multiple logistic regression was calculated for determining the association of occurrence of muscle variation with sexes and sides (α = 0.05). Results: Among 91 cadavers, the accessory bundles were observed in 16 cadavers (10 males and 6 females). The presence of the additional belly was sex and side independent. Three variation types were observed; the arrowhead type and the double-headed type have been previously reported, whereas the asymmetrical fan-shaped type is the new variant that has never been described before. Conclusions: The variation of the anterior belly of the digastric muscle including the new variant can be seen in Thais with low occurrence. To our knowledge, the present study is the first report of the aberrations of the digastric muscle in the Southeast Asian population. Therefore, our study provides the basis for anatomical study of muscular variants and helps surgeons plan the operation to prevent iatrogenic injuries.

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“…[ 25 26 ] When the surgeries are complicated by the supernumerary bundles, partial or complete removal of these bundles may be an option to facilitate the procedure. [ 27 ]…”

Section: Discussionmentioning

confidence: 99%

Anatomical Variations of the Anterior Belly of the Digastric Muscle in Thai Cadavers

Arayapisit

Vorakulpipat

Srimaneekarn

et al. 2022

Journal of International Society of Preventive and Community Dentistry

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“…Others point to the theory that during exercise, ASM might be insufficiently supplied by blood from the posterior tibial artery, thus producing true claudication which is relieved with rest. Moreover, symptoms might be a result of compression neuropathy due to the proximity of ASM to the tibial nerve [ 9 ]. While the cause of symptoms in our first case might be found in the former two theories, in our second case, symptoms could also be explained by the third theory.…”

Section: Discussionmentioning

confidence: 99%

“…ASM is usually covered by its fascia and gets neurovascular supply from the tibial nerve and the posterior tibial artery [ 9 ]. It may originate from the fibula, soleal line of the tibia, or the anterior surface of the soleus muscle.…”

Section: Discussionmentioning

confidence: 99%

“…However, this technique might lead to the recurrence of symptoms. Reddy and McCollum [ 9 ] state that studies showed fasciotomy and resection to be equally effective. Furthermore, they propose fasciotomy for patients with a small ASM and with a low level of activity, while for those with a large ASM and a high level of activity, they propose resection [ 9 ].…”

Section: Discussionmentioning

confidence: 99%

“…Reddy and McCollum [ 9 ] state that studies showed fasciotomy and resection to be equally effective. Furthermore, they propose fasciotomy for patients with a small ASM and with a low level of activity, while for those with a large ASM and a high level of activity, they propose resection [ 9 ]. On the other hand, Kouvalchouk et al [ 19 ] studied 21 cases of ASM, and suggest that if surgical treatment is needed, complete resection is preferred over fasciotomy.…”

Section: Discussionmentioning

confidence: 99%

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Accessory Soleus Muscle: Two Case Reports with a Completely Different Presentation Caused by the Same Entity

Plečko

Knežević

Dimnjaković

et al. 2020

Case Reports in Orthopedics

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Accessory soleus muscle (ASM) is a rare supernumerary anatomical variant that commonly presents as a posteromedial ankle swelling, which may become painful during physical activity. As it may mimic a soft tissue tumor, it is essential to differentiate this condition from ganglion, lipoma, hemangioma, synovioma, and sarcoma. However, ASM may also present with a painful syndrome, characterized by pain and paresthesia of the ankle and foot, mimicking the tarsal tunnel syndrome (TTS). Two cases of ASM are presented in this article. The first case had a typical presentation with painful posteromedial ankle swelling. After the initial assessment, the diagnosis was confirmed by magnetic resonance imaging (MRI), and ASM was treated by complete resection. The second case presented with pain and paresthesia in the right ankle and foot, but no swelling was noticeable. It was initially misdiagnosed by a rheumatologist and afterward overlooked on an MRI by a musculoskeletal radiology specialist and therefore mistreated by numerous physicians before being referred to our outpatient clinic. After further assessment, the diagnosis has been confirmed, and ASM was treated by complete resection combined with tarsal tunnel decompression. To the best of our knowledge, this is the first case reported in which ASM caused symptoms but presented without posteromedial swelling. This might be due to a proximally positioned belly of the ASM, followed by a tendinous insertion on the medial side of the calcaneus.

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Presence of Accessory Soleus Muscle in Cadaver: Case Report

DÖNER

KELEŞ>

Karip

2023

Düzce Tıp Fakültesi Dergisi

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Human anatomy is a variable structure. There are various rare muscle-specific accessory structures. The accessory soleus muscle (ASM) is one of them and was studied in this case report. ASM was seen during routine learning and teaching dissection lessons while dissecting the right leg of a male body. When this muscle was examined, a thick beginning with fascial connections from the soleus muscle, medially in the lower 1/3 of the leg was seen. This unipennate-shaped super numeric muscle had a 3.95 cm width, 25.82 cm length, and 0.82 cm thickness. This muscle, which is seen on radiological images, may often be confused with soft tissue tumors such as ganglion, lipoma, hemangioma, synovioma, and sarcoma, and on the pathology of the muscle may cause pain and tarsal tunnel syndrome-like effects.

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The accessory soleus muscle causing tibial nerve compression neuropathy: A case report

Cited by 4 publications

References 11 publications

Anatomical Variations of the Anterior Belly of the Digastric Muscle in Thai Cadavers

Anatomical Variations of the Anterior Belly of the Digastric Muscle in Thai Cadavers

Accessory Soleus Muscle: Two Case Reports with a Completely Different Presentation Caused by the Same Entity

Presence of Accessory Soleus Muscle in Cadaver: Case Report

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