Abstract
Schwannoma in the lower limb is extremely rare and only few cases were reported., they are often overlooked in the first diagnosis and often confused with other common lesions in this localization. Herein we report a 62 years old man who presented pain and paresthesia on the lateral aspect of the ankle since 3 months. The clinical and radiological finding prompting the patient to undergo surgery in which an excisional biopsy of the mass of the leg was realized. The post-operative was uneventful. Two weeks later, the histopathological analysis was in favor of schwannoma with a good result at the last follow up. At last, we emphasis that schwannoma should be considered as a possible diagnosis in patient with chronic ankle pain, particularly if all other injury has been ruled out which can raises the awareness about this tumor.
Highlights
INTRODUCTIONSchwannoma is a benign peripheral nerve sheath tumor originating from Schwann cells that slowly grows eccentrically to the nerve axis
Schwannoma in the lower limb is extremely rare and only few cases were reported., they are often overlooked in the first diagnosis and often confused with other common lesions in this localization
We emphasis that schwannoma should be considered as a possible diagnosis in patient with chronic ankle pain, if all other injury has been ruled out which can raises the awareness about this tumor
Summary
Schwannoma is a benign peripheral nerve sheath tumor originating from Schwann cells that slowly grows eccentrically to the nerve axis. A 62 years old man with no disease’s history, presented pain and paresthesia on the lateral aspect of the ankle since 3 months. He made many consultations in which at every time he got an anti-inflammatory drug, oral’s analgesic and rest advised that partially calmed the pain. A few days following the end of treatment, he experienced the same pain at the same localization becoming permanent which irradiated to the foot, the reason why he consulted our orthopedic department. On admission, both the physical examination of the ankle and the neurovascular exam were normal. At the last follow up of 18 months, the patient did well with no recurrent of pain
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