Renal actinomycosis

Rationale: Renal actinomycosis is a rare clinical infection, subacute to chronic presentation caused by the Actinomyces bacteria. Actinomyces israelii is diagnosed in the overpowering majority of reported cases. Abdominopelvic manifestation forms 10% to 20% of all actinomycosis, and may be misdiagnosed as either a malignancy or chronic inflammation due to the lower correct preoperative diagnostic rate (<10%). Patient concerns: A 38-year-old man with alcoholic liver cirrhosis experienced right flank pain, abdominal pain, and fever for 3 days. Leukocytosis, acute kidney injury, and impaired liver function were found. A computed tomographic scan demonstrated multiple renal cystic lesions, along with fluid accumulation at the right subphrenic and retroperitoneal spaces. Diagnoses: Renal actinomycosis was confirmed via cultures of both the abscess and nephrectomy specimen which grew A israelii and the pathological findings of multiple renal abscesses of actinomycosis with the characteristics of sulfur granules. Interventions: A nephrectomy was performed for an inadequate percutaneous drainage of renal abscess. Outcomes: A full course of antibiotics with intravenous penicillin G (3 million units every 4 hours) was prescribed for 2 weeks, followed by oral penicillin V given at a dose of 2 grams per day for 6 months at our out-patient facility. Lessons: A precise diagnosis of primary renal actinomycosis depends on any histopathological findings and/or cultures of specimens. A high dose of intravenous penicillin G is the first choice, followed by oral penicillin V, with the duration of each being dependent upon the individual condition.

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Renal actinomycosis

Cited by 8 publications

References 4 publications

Le rein pathologique

Le rein pathologique

Otras infecciones crónicas. Actinomicosis

Renal actinomycosis with retroperitoneal abscess in a cirrhotic patient

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