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Subungual Soft Tissue Chondroma with Nail Deformity in a Child

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Abstract

Soft tissue chondroma is a rare benign tumor of the cartilage. It occurs commonly in distal extremities of middle-aged patients. It is usually asymptomatic and grows slowly, making early diagnosis difficult. We report a 10-year-old patient with a 1-year history of a subungual soft tissue chondroma on her left fifth finger. The lesion arose from nail bed and distal nail matrix, resulting in nail dystrophy. Magnetic resonance imaging revealed a soft tissue tumor in the subungual region and soft tissue chondroma was diagnosed, based on histopathologic findings. Dermatologists should consider soft tissue chondroma in the differential diagnosis of subungual tumors of children.

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Ancillary