Cancer Diagnosis & Prognosis
Malignant Myoepithelioma Arising from the Upper Arm With Brachial Plexus Involvement: A Rare Case
Background/Aim: Malignant myoepitheliomas (MMs) are infrequent, and the site of upper arm is extremely rare. To our knowledge, only two cases occurred in the upper arms according to previous reports. Case Report: A 73-year-old male presented with a growing mass in his left upper arm one year prior to surgery. After a needle biopsy, histopathological analysis revealed the mass to be a myxoid sarcoma but did not reach to definite diagnosis. The tumor was excised from the brachial plexus. The brachial artery and vein …