• Yu-Li Chiu, Chin Hu, Sin-Di Lee, Po-Yin Chen, and Cheng-Pin Wang.
• aDepartment of Nuclear Medicine bSection of Pediatric Surgery, Department of Surgery, Kaohsiung Veterans General Hospital, Taiwan.
• Medicine (Baltimore). 2017 Apr 1; 96 (16): e6560.

RationalePage kidney is an uncommon condition that hypertension occurs secondary to microvascular ischemia and alternation of small-vessel hemodynamics due to external compression of renal parenchyma and activation of the renin-angiotensin-aldosterone system. There are no specific guidelines for the management of Page kidney in the literatures.Patient ConcernsA 17-year-old teenager who had Fontan procedure for tricuspid and pulmonary atresia in early childhood suffered from sudden onset of severe left flank pain during cardiac catheterization procedure. Left renal artery active bleeding with renal parenchyma compression in association with renin-mediated hypertension led to the diagnosis of Page kidney.DiagnosesPage kidney was diagnosed in this case.InterventionsUrgent embolization was performed to treat left renal artery active bleeding. Because of decreased renal function with elevation of serum creatinine, inadequate blood pressure control with antihypertensive medication, and poor renal blood flow of left kidney, open drainage of perirenal hematoma was done 5 days after catheterization procedure.OutcomesAfter the operation, glomerular filtration rate improved immediately, and left flank pain and hypertension resolved at discharge.LessonsThe choice of the therapies for Page kidney depended on the clinical presentation of each case. This case pointed out the significance of renoscintigraphy and surgery in the management of Page kidney.

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