Primary Ewing Sarcoma of Frontotemporal Bone in Geriatric Patient.

Background: Ewing sarcoma is a rare primary malignant bone tumor, which mainly affects children and adolescents. Calvarial bone involvement and its appearance in elderly patients are extremely rare.

Case Description: We presented a 68-year-old female patient with headache and right frontotemporal swelling.

Primary Tumor and Tumor-Like Lesions of Bones of the Foot: Single-Center Experience of 166 Cases.

Primary bone tumors of the foot are rare lesions. The purpose of the present study was to evaluate the clinical manifestations, treatment modalities, and recurrences of various primary bone tumors of the foot from a specialized center for orthopedic oncology. Among 3681 musculoskeletal tumor cases, which were diagnosed and surgically treated in our hospital from 1983 to 2013, 166 primary tumor and tumor-like bone lesions of the foot (4.