Fine-needle aspiration cytology of eccrine porocarcinoma of scalp – Report of a rare case with review of literature

Eccrine porocarcinoma is a rare malignant adnexal tumor of duct of eccrine sweat gland. Cytology of eccrine porocarcinoma has been described in very few literatures. Here, we are presenting a case of fine-needle aspiration cytology (FNAC) of eccrine porocarcinoma of scalp, confirmed subsequently by histology. Accurate preoperative diagnosis of eccrine porocarcinoma by FNAC is difficult but determining the malignant nature of the lesion is crucial for a curative surgery. FNAC can be a convenient, safe, and effective approach to solve difficult diagnostic dilemma.