Cervix
Sarcoma / lymphoma / other
Leiomyosarcoma

Author: Branko Perunovic, M.D. (see Authors page)

Revised: 27 April 2017, last major update May 2007

Copyright: (c) 2007-2017, PathologyOutlines.com, Inc.

PubMed Search: Leiomyosarcoma cervix

Cite this page: Leiomyosarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/cervixleiomyosarcoma.html. Accessed July 25th, 2017.
Definition / general
  • Rare; < 100 cases reported; but most common primary sarcoma of cervix
  • May develop in cervical stump after subtotal hysterectomy (Ginekol Pol 2002;73:613)
  • To diagnose cervical primary, must exclude tumors of lower uterine segment
  • Peri and postmenopausal women ages 40 to 60 years
  • Commonly presents with abnormal vaginal bleeding, abdominopelvic pain and a palpable cervical mass
  • Poor prognosis (Cancer 1973;31:1176)
Case reports
Gross description
  • Large (up to 12 cm), polypoid, soft, with irregular outline
  • May thicken and expand cervical canal
  • Often hemorrhage and necrosis
Gross images

Images hosted on PathOut server:

Tumor attached by short pedicle

Tumor attached by short pedicle sagittal section

Microscopic (histologic) description
  • Interlacing fascicles of smooth muscle cells with large, atypical, hyperchromatic nuclei
  • 5+ mitotic figures/10 HPF
  • May have osteoclast-like giant cells, epithelioid, myxoid or xanthomatous features
Microscopic (histologic) images

Images hosted on PathOut server:

Interlacing fascicles

Large pleomorphic nuclei


Muscle specific actin

Smooth muscle actin



Images hosted on other servers:

Various images


Cytology description
Positive stains
Additional references