Malignant intramuscular forearm tumor with overwhelming squamous element

Squamous cell carcinoma (SCC) arising in the skeletal muscle is rare. A cas e of a 19-year-old female patient with an intramuscular forearm tumor showi ng a histopathologically overwhelming squamous element is presented. Micros copic examination revealed the classical features of SCC, including horn pe arls, individual cell keratinization and intercellular bridge. A malignant spindle cell component was not detected. Neither evidence of another primar y site nor skin lesion over the tumor was found and no metastatic lesion wa s detected in the 5 years since the appearance of the mass.