Cytodiagnosis of glomus tumor- a case report

Glomus tumors are uncommon and are rarely diagnosed on cytopathology. We report a case of 28 years female presenting with a painful subungual swelling. Fine needle aspiration sample was heavily admixed with blood and cytology showed groups of cohesive, uniform, small, round to oval cells with scanty cytoplasm against the background of red blood cells. Cytology was reported as “suggestive of glomus tumor”. Histopathological examination confirmed the diagnosis. Careful cytomorphological examination supported by appropriate clinical history should suggest the diagnosis of glomus tumor and help in preoperative diagnosis.