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Heterotopic mesenteric and abdominal wall ossification - Two case reports in one institution
Cátia Ferreira1, Carina Gomes1, Ana Melo1
1Department of General Surgery, Centro Hospitalar Trás-os-Montes e Alto Douro, Avenida da Noruega, Lordelo, 5000-508 Vila Real, Portugal.
International Journal of Surgery Case Reports
|June 18, 2017
Summary
Heterotopic ossification is rare bone formation in unusual tissues. This report details two rare cases of mesenteric and abdominal wall ossification following abdominal surgery, highlighting its benign nature.
Area of Science:
- Pathology
- Surgical Oncology
Background:
- Heterotopic ossification involves bone development in non-ossifying tissues.
- Heterotopic mesenteric ossification (intra-abdominal myositis ossificans) is a rare, benign condition.
- Often associated with prior abdominal surgery or trauma.
Purpose of the Study:
- To report two rare cases of heterotopic ossification.
- To describe intraoperative and histopathological findings.
- To discuss differential diagnoses and clinical significance.
Main Methods:
- Case report of two patients with a history of multiple abdominal surgeries.
- Intraoperative observation of mesenteric and abdominal wall ossification.
- Histopathological examination confirming metaplastic bone deposition without atypia.
Main Results:
- Two cases of simultaneous mesenteric and abdominal wall ossification were identified.
- Histopathology confirmed benign metaplastic bone, ruling out malignancy.
- Ossification was an incidental finding during planned elective surgery.
Conclusions:
- This rare entity mimics myositis ossificans.
- Differential diagnosis from sarcomas is crucial.
- The simultaneous occurrence in mesentery and abdominal wall is exceptionally rare.
