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A 5-year-old girl with an enlarging mass at the elbow
Bradley John Kinney1, William L Hennrikus, Elizabeth E Frauenhoffer
1Departments of Orthopaedics and Pathology, Pennsylvania State University College of Medicine, Hershey, PA 17033, USA.
Abstract:
Pilomatrixoma is a rare benign neoplasm that presents as a solitary, hard, mobile, subcutaneous mass. Pilomatrixomas can be found on any hair-bearing region of the body, with the upper extremity being the second most common location. Pilomatrixomas are common in children, and have a higher frequency in girls. We present a case of left-arm pilomatrixoma in a 5-year-old girl. Surgical excision was curative. Pediatric orthopedic surgeons should be familiar with this benign tumor when evaluating a calcified soft-tissue mass in the extremities of a child.
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