mesonephroma

[mĕz′ō-nə-frōmə]
n.
  1. Any of various rare tumors possibly derived from the mesonephros and occurring in the genital tract.mesometanephric carcinoma
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.