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Bowel obstruction and perforation secondary to progressive heterotopic mesenteric ossificans

Emily M Louis1, Savvas Nicolaou1

  • 1Department of Radiology, Vancouver General Hospital, University of British Columbia, 855 W.12th Ave, Vancouver, BC, Canada V5Z 1M9.

Radiology Case Reports
|August 8, 2022
PubMed

Insights

Heterotopic mesenteric ossification (HMO) is a rare condition causing bone growth in the abdomen. This case study shows its natural progression, leading to bowel perforation and abscess formation.

Area of Science:

  • Gastroenterology
  • Radiology
  • Pathology

Background:

  • Heterotopic mesenteric ossification (HMO) is a rare condition characterized by abnormal bone formation within the mesentery.
  • It typically affects male patients and is often associated with prior surgery or trauma.
  • Early recognition is crucial due to potential severe complications.

Observation:

  • A 65-year-old male patient with recurrent bowel obstruction due to progressive HMO was monitored over several years.
  • Serial CT scans provided detailed imaging of the condition's natural course.
  • The patient eventually developed mechanical bowel injury, leading to perforation and abscess formation.

Findings:

  • This case offers new insights into the natural progression of heterotopic mesenteric ossification.
  • The study highlights the link between worsening HMO and severe gastrointestinal complications.
  • CT imaging is valuable for tracking HMO progression and associated pathology.

Implications:

  • Understanding HMO's natural history can improve early diagnosis and management strategies.
  • Recognizing nascent HMO may prevent serious complications like bowel perforation.
  • This case underscores the importance of vigilant monitoring in patients with HMO.
Keywords:
Heterotopic Mesenteric OssificationIntra-abdominal myositis ossificans

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