Procedure: Right epididymis mass excision.

Gross: Specimen submitted in formalin container (labeled right epididymis mass) consists of a very well-circumscribed encapsulated, spherical firm mass measuring 2.5 cm in maximum diameter. On sectioning, the tumor is whitish, whorled and homogenous. 

Diagnosis: Leiomyo-adenomatoid tumor. Presence of fragment of normal epidydimal tissue. Margins are free. The immunostains: Calretinin: +++, h-caldesmon:  +++, CK (AE1/AE3):  +++