Ollier disease, also known as multiple enchondromatosis, is a rare congenital disease of unknown etiology. The main manifestation of this disease is a non-ossifying chondrocyte mass or hamartomatous growth of a chondrocyte in the metaphysis. A few cases can develop into chondrosarcoma or osteosarcoma. The present study describes the case of a 37-year-old male patient with left hip pain and dyskinesia diagnosed with Ollier disease, according to clinical features and findings of imaging analysis.

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... f imaging analysis. In general, the incidence of Ollier disease is low, and thus, it is not well-known among orthopedic surgeons. However, due to its malignant transformation rate, medical practitioners should encourage patients to undergo regular follow-up examinations. In an aim to provide some insight into this disease, the present study begins by describing the case of an affected patient case and subsequently presents a review of the relevant literature in order to guide the clinical diagnosis and treatment of the disease.