calcific myonecrosis of tibialis anterior in a 76-year-old man with foot drop

Background: calcific myonecrosis is a rare entity that is considered a sequela of chronic compartment syndrome. a fusiform mass with central liquefaction and peripheral calcification replaces the affected muscle unit.case report: we are presenting a case of calcific myonecrosis of the tibialis anterior in a 76-year-old man. although the mass was present for several years, the patient recently developed leg pain and foot drop. after radiological and histopathological diagnosis, patient was treated with surgical excision of the mass.conclusion: although calcific myonecrosis is a benign condition, due to the pressure effect on surrounding structures, it may be a source of leg pain and foot drop. cortical erosion and scalloping of underlying major bone may be reasons for extremity pain. to relieve pain, alleviate pressure effect, and prevent pathological fracture of the underlying bone, complete surgical excision of the lesion is essential.