deciduoma

[dĭ-sĭj′ōō-ōmə]
n.
  1. An intrauterine mass of decidual tissue, probably the result of hyperplasia of decidual cells retained in the uterus after parturition.placentoma
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for deciduoma

Historical Examples of deciduoma