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CASE REPORT
Actinomycosis presenting as an anterior abdominal mass after laparoscopic cholecystectomy
  1. Zainab Alhumoud1,
  2. Amro Salem2
  1. 1Surgery, King Fahad Specialist Hospital, Dammam, Saudi Arabia
  2. 2Colorectal Surgery, King Fahad Specialist Hospital, Dammam, Saudi Arabia
  1. Correspondence to Dr Zainab Alhumoud, dr.zainab.alhamoud{at}gmail.com

Summary

Abdominal actinomycosis is a rare disease caused by different anaerobic Actinomyces species. We report the case of a 55-year-old woman who presented with a painless, slow growing, left upper abdominal mass that developed after a laparoscopic cholecystectomy. A CT scan and MRI of the abdomen revealed a desmoid tumour of the left rectus abdominis muscle.

Surgical excision was performed with an uneventful postoperative course. The histological analysis of the specimen was inconsistent with a desmoid tumour and revealed an infection of Actinomyces israelii in the anterior abdominal wall that was confirmed with a microbiology culture. The surgical treatment was followed by a course of penicillin antibiotic therapy for 6 months. This treatment resulted in full recovery with no further complications. Although it is rare, the patient’s history of laparoscopic cholecystectomy was identified as the likely source of infection.

  • General surgery
  • Infection (gastroenterology)

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Footnotes

  • Contributors ZA was involved in case scenario, literature review and manuscript preparation; AS was involved in management of the case, informed consent and final revision.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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