[Management of antenatal fetal abdominal tumors. Clues for the diagnosis of a congenital mesoblastic nephroma.]
 

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04-24-09 08:05 AM
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[Management of antenatal fetal abdominal tumors. Clues for the diagnosis of a congenital mesoblastic nephroma.]
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[Management of antenatal fetal abdominal tumors. Clues for the diagnosis of a congenital mesoblastic nephroma.]

J Gynecol Obstet Biol Reprod (Paris). 2009 Apr 20;

Authors: Boithias C, Martelli H, Destot-Vong KD, Dugelay F, Branchereau S, Fabre M, Senat MV, Boileau P, Frydman R, Picone O

The prenatal diagnosis of abdominal mass poses the problem of its origin. Renal tumors are rarer than neuroblastoma but they are most often congenital mesoblastic nephroma. The congenital mesoblastic nephroma has a good forecast in spite of a sonographic impressive aspect. MRI can help to locate tumor but cannot tell difference between the different kinds of renal tumor. Prenatal forecast is especially linked with hydramnios and hydrops fetalis. Histolological study of the tumor is important for the prognosis. Two morphological subtypes are currently distinguished: the classic type with a good forecast and the atypical or cellular type. Distant metastases have been related only to the cellular form but especially in infants aged more than 3 months and never in the newborns. The diagnosis of the tumor does not change the mode of delivery except in case of an important volume. Complications are searched during the firsts days of life: hypertension, hypercalcemia, vomiting, hyperreninemia. Radical nephrectomy is performed after the end of the first week. In case of a classic form, the healing is always obtained. In case of cellular form, distant metastases are searched. In any rate, the follow-up is recommended until the end of the growth.

PMID: 19386447 [PubMed - as supplied by publisher]