Heterotopic Mesenteric Ossification



Heterotopic Mesenteric Ossification


Elizabeth A. Montgomery, MD









This example of heterotopic mesenteric ossification arose in a patient who had a prior operation. The lesion was adherent to the liver, which shows bile plugs image from local obstruction.






Focus from the same lesion shows mature ossification in this area. The majority of patients with heterotopic mesenteric ossification have had prior surgery.


TERMINOLOGY


Synonyms



  • Intraabdominal myositis ossificans


Definitions



  • Metaplastic, probably reactive process variably associated with trauma



    • Classically termed “myositis ossificans” when arising in soft tissues


CLINICAL ISSUES


Epidemiology



  • Incidence



    • Rare


  • Age



    • Adults; mean: 50-60 years


Site



  • Small bowel mesentery and omentum most common sites


Presentation



  • Bowel obstruction


  • Most patients have had prior abdominal surgery


Treatment



  • Surgical excision

Jul 9, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Heterotopic Mesenteric Ossification
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