A Granular Cell Tumor on the Finger of a 7-Year-Old Boy: A Case Report

Granular cell tumor (GCT) is a rare neoplasm originating from Schwann cells and is classified into benign and malignant subtypes. This report presents the case of a 7-year-old boy with a GCT located on the third finger of his right hand. The lesion measured 1 cm × 1 cm and was characterized by a nodular appearance with a keratotic surface, well-defined borders, and a scaly collar at the base. Histopathological examination revealed the presence of large polyhedral cells with small, centrally located, hyperchromatic nuclei and cytoplasm filled with eosinophilic granules, consistent with a benign granular cell tumor. This case highlights the importance of thorough histopathological evaluation and interdisciplinary collaboration in the accurate diagnosis and management of GCT, particularly in pediatric patients and in atypical locations.