Liao WK, Huang SC, Hu SY, Tsai CA, Wang RC. Renal actinomycosis with retroperitoneal abscess in a cirrhotic patient: A case report (CARE-complaint).
Medicine (Baltimore) 2019;
98:e18167. [PMID:
31804331 PMCID:
PMC6919534 DOI:
10.1097/md.0000000000018167]
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Abstract
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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