Electron microscopy of fine needle aspiration biopsy from a malignant fibrous histiocytoma. Report of a case.

A case is reported in which electron microscopy was utilized to make a preoperative differential diagnosis of a soft tissue sarcoma on material obtained by fine-needle aspiration biopsy. The value of electron microscopy as an adjunct to cytologic study of such material is pointed out, as is the suitability of aspirated material for electron microscopic examination.