Uterus
Smooth muscle tumors
Myxoid leiomyoma


Topic Completed: 1 August 2012

Minor changes: 15 December 2019

Copyright: 2002-2019, PathologyOutlines.com, Inc.

PubMed search: myxoid leiomyoma uterus

Related topics: leiomyoma

Nat Pernick, M.D.
Page views in 2019: 2,168
Page views in 2020 to date: 2,118
Cite this page: Pernick N. Myxoid leiomyoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/uterusleiomyomamyxoid.html. Accessed August 6th, 2020.
Definition / general
  • Islands of smooth muscle in myxoid connective tissue containing large vessels, but not infiltrative
  • Small and bland nuclei (i.e. no atypia) and no mitotic activity
  • Benign
  • Myxoid leiomyosarcoma may arise in myxoid leiomyomas (Hum Pathol 2000;31:398)
Gross images

Images hosted on other servers:

Leiomyoma with extensive myxoid degeneration; cut surface

Leiomyoma with myxoid
degeneration in a 55
year old woman

Microscopic (histologic) images

Images hosted on PathOut server:

Only very attenu-
ated fascicles of
smooth muscle cells
can be identified

Smooth muscle cells are
difficult to identify in
this field but were
numerous elsewhere



Images hosted on other servers:

Myxoid leiomyoma of uterus

Leiomyoma with
myxoid degener-
ation in a 49 year
old woman (fig 7, 8)

Myxoid leiomyoma with
a marked pulmonary
edema pattern

Differential diagnosis
Back to top