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Dermatology Online Journal

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Solitary nodule on the shoulder of an 11-year-old child


Plexiform fibrohistiocytic tumor is an uncommon soft tissue neoplasm of intermediate malignancy, most frequently occurring as a painless, slow-growing nodule that shows a distinct predilection for children and young adults. We report a healthy 11-year-old boy presenting with a 1-year history of an asymptomatic cutaneous nodule on his left shoulder. Histopathological and immunohistochemical analysis confirmed a diagnosis of plexiform fibrohistiocytic tumor. Despite following a usually benign clinical course, this neoplasm is prone to frequent local recurrence and occasional metastatic ability. It should be considered in the differential diagnosis of an enlarging nodule in pediatric patients.

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