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Case Reports
Journal Article
Pyelo-hepatic abscess caused by staghorn stone infection: a case report.
Journal of Medical Case Reports 2023 October 24
BACKGROUND: The most common source of pyogenic liver abscess is biliary tract infection. Other less common routes include the spread of bacteria from distant foci. However, direct extension of a perinephric infection focus to the liver is extremely rare.
CASE REPORT: The patient was a non-diabetic, immunocompetent, 29-year-old woman of mixed race ancestry with a history of recurrent urinary tract infections who was referred to our hospital because of an ultrasound-detected liver abscess. She was initially treated with metronidazole for 20 days at the referring institution for suspected amebic abscess without improvement. On admission to our center, she was febrile and complained of a dull right upper quadrant pain. A POCUS ultrasound suggested a pyogenic abscess, probably from a staghorn calculus infection. She received meroperem and amikacin for 22 and 10 days, respectively. Repeat hemocultures showed no growth, but urine cultures were positive for Proteus sp. Complete remission of clinical and imaging findings was observed under antibiotics. The patient was referred to the urology outpatient clinic to discuss the option of radical nephrectomy. CONCLUSION : This case underlines the high morbidity of staghorn calculi.
CASE REPORT: The patient was a non-diabetic, immunocompetent, 29-year-old woman of mixed race ancestry with a history of recurrent urinary tract infections who was referred to our hospital because of an ultrasound-detected liver abscess. She was initially treated with metronidazole for 20 days at the referring institution for suspected amebic abscess without improvement. On admission to our center, she was febrile and complained of a dull right upper quadrant pain. A POCUS ultrasound suggested a pyogenic abscess, probably from a staghorn calculus infection. She received meroperem and amikacin for 22 and 10 days, respectively. Repeat hemocultures showed no growth, but urine cultures were positive for Proteus sp. Complete remission of clinical and imaging findings was observed under antibiotics. The patient was referred to the urology outpatient clinic to discuss the option of radical nephrectomy. CONCLUSION : This case underlines the high morbidity of staghorn calculi.
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