Fallopian tubes
Benign or nonneoplastic conditions

Author: Nicole Riddle, M.D. (see Authors page)
Editor: Jamie Shutter, M.D.

Revised: 11 August 2017, last major update September 2013

Copyright: (c) 2002-2017, PathologyOutlines.com, Inc.

PubMed Search: Fallopian tubes torsion [title]

Cite this page: Torsion. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/fallopiantubestorsion.html. Accessed June 19th, 2018.
Definition / general
  • "Twisting" of fallopian tube that blocks blood flow, causing ischemia and associated edema and pain
  • Often accompanies torsion of adjacent ovary (often with a cyst) but may be isolated to tube
  • Occurs in women of all ages
  • 2/3 involve right tube
  • Usually associated with a mass / cyst causing rotation / obstruction
  • Also PID, hydrosalpinx, tubal ligation or adhesions
  • Occasionally no identifiable cause
Clinical features
Radiology description
  • Ultrasound usually shows adnexal mass with heterogeneous echogenicity and cystic component with fluid levels
Case reports
  • May resolve or tube may become necrotic and calcified with autoamputation of tube and ovary
  • Often requires surgical excision
Clinical images

Images hosted on other servers:

Various images

Gross description
  • Swollen, dusky fallopian tube, with or without associated mass / cyst
Gross images

Images hosted on PathOut server:

Hemorrhagic infarction of tube

Microscopic (histologic) description
  • Ischemic necrosis of mucosa and wall