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CASE HISTORY. 11 y.o. female presenting with hematuria following mild lumbar trauma US (not shown) cystic tumor in the LK CT-scan. WORK-UP. Normal lung CT No familial history Normal renal US of both parents. Preoperative diagnosis Multilocular cystic nephroma (multilocular cyst).
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CASE HISTORY • 11 y.o. female presenting with hematuria following mild lumbar trauma • US (not shown) cystic tumor in the LK • CT-scan
WORK-UP • Normal lung CT • No familial history • Normal renal US of both parents Preoperative diagnosis Multilocular cystic nephroma (multilocular cyst)
PATHOLOGICAL DIAGNOSIS Unilateral autosomal dominant polycystic kidney disease(Left nephrectomy)
DISCUSSION • PKD1: new mutation = 5 to 7% of pediatric cases • In contrast to adult, the disease appearsto be unilateral initially in 17% of children(Am J Kidney Dis 1999; 4:639-645) • Bilaterally detectable disease is the rule at FU, especially after the age of 13.
CONCLUSION What should be avoided in unilateralinvolvement of ADPKD in children:to perform a nephrectomy.