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KMID : 0358420150580050405
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Korean Journal of Obstetrics and Gynecology
2015 Volume.58 No. 5 p.405 ~ p.408
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Prenatal diagnosis of congenital mesoblastic nephroma
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:Do A-Young
:Kim Jung-Sun/:Choi Suk-Joo/:Oh Soo-Young/:Roh Cheong-Rae/:Kim Jong-Hwa
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Abstract
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Congenital mesoblastic nephroma is a rare renal tumor that is diagnosed during pregnancy and is associated with polyhydramnios, prematurity, and neonatal hypertension. Differential diagnoses include Wilms tumor, adrenal neuroblastoma, and other abdominal tumors. We report a case of congenital mesoblastic nephroma detected by prenatal ultrasonography as a large fetal renal mass with polyhydramnios at 32 weeks of gestation. Ultrasonography showed a 6×6-cm complex, solid, hyperechoic, round mass in the right kidney. At 35 weeks of gestation, the patient was admitted with preterm premature rupture of membranes and the baby was delivered vaginally. Postnatal ultrasonography and computed tomography showed a heterogeneous solid mass on the right kidney. At the end of the first week of life, a right nephrectomy was performed and subsequent pathological examination confirmed a cellular variant of congenital mesoblastic nephroma with a high mitotic count. Postoperative adjuvant chemotherapy was administered. The newborn was discharged in good condition.
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KEYWORD
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Drug therapy, Nephroma, mesoblastic, Pregnancy, Prenatal diagnosis, Renal tumor
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