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Related Experiment Videos

Mesenteric actinomycosis with retroperitoneal involvement.

J Diaz-Oller1, J D Tutosaus-Gómez, T Medina-Domínguez

  • 1General and Digestive Surgery Service, Hospital San Agustín, Linares, Spain. omnia@bbvnet.com

International Surgery
|March 14, 2002
PubMed
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Mesenteric actinomycosis is rare, often mistaken for cancer. Diagnosis requires histology, but penicillin treatment is effective for this abdominal infection.

Area of Science:

  • Medical microbiology
  • Abdominal imaging
  • Surgical pathology

Background:

  • Mesenteric or retroperitoneal actinomycosis is an exceptionally rare condition, with limited documented cases in international databases.
  • The condition often presents non-specifically, making early diagnosis challenging.

Observation:

  • A 78-year-old female presented with abdominal pain, anemia, and an abdominal mass.
  • Imaging studies (ultrasound and CT) revealed a solid mesenteric-retroperitoneal mass.
  • Biopsy confirmed chronic inflammation with Actinomyces colonies, indicating actinomycosis.

Findings:

  • The patient was treated with oral amoxicillin for six months.
  • Symptoms resolved, and the mass decreased in size, though it persisted.
  • Histological and microbiological examination are crucial for accurate diagnosis, often necessitating surgical intervention.

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Implications:

  • Mesenteric-retroperitoneal actinomycosis can mimic malignancy on noninvasive imaging.
  • Penicillin-based therapy demonstrates efficacy in treating this rare infection.
  • Early and accurate diagnosis through invasive methods is key for effective management.