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Postoperative Exostosis: Ectopic Ossification After Pericardial Window Procedure

Ahmed Mostafa1, Mohamad Alhalabieh1, Dimitrios Xourafas1

  • 1Department of General Surgery, Nazareth Hospital, Trinity Health Mid-Atlantic, Philadelphia, Pennsylvania.

Annals of Thoracic Surgery Short Reports
|January 10, 2025
PubMed

Insights

Persistent epigastric pain after a pericardial window procedure may indicate heterotopic ossification. Surgical removal of this bone growth can provide lasting relief, as seen in this case study.

Area of Science:

  • Medical Case Study
  • Surgical Pathology

Background:

  • A 58-year-old man experienced persistent epigastric pain years after a pericardial window procedure for viral pericarditis.
  • This discomfort was localized to the subcutaneous epigastric region.

Observation:

  • Computed tomography revealed a calcified subcutaneous mass in the epigastric area.
  • Surgical excision was performed to address the persistent pain and the detected mass.

Findings:

  • The excised mass was identified as a heterotopic ossification lesion.
  • The lesion originated from the inferior margin of the xiphoid process.

Implications:

  • Heterotopic ossification should be considered in the differential diagnosis of persistent pain post-pericardial window surgery.
  • Surgical intervention for heterotopic ossification can lead to significant and sustained pain improvement.

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