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Prenatal diagnosis of congenital mesoblastic nephroma: a case with poor prognosis
  1. Rodrigo Pereira Mata1,
  2. Teresa Alves2,
  3. António Figueiredo3 and
  4. Antónia Santos4
  1. 1 Gynecology–Obstetrics, Centro Hospitalar Universitário do Algarve, Portimão, Portugal
  2. 2 Radiology, Hospital Garcia de Orta EPE, Almada, Portugal
  3. 3 Pathology, Hospital de Sao Jose, Lisboa, Portugal
  4. 4 Gynecology–Obstetrics, Hospital Garcia de Orta EPE, Almada, Portugal
  1. Correspondence to Dr Rodrigo Pereira Mata, rpereiramata{at}


Congenital mesoblastic nephromais a rare tumour found in neonates, with a very small number of cases diagnosed prenatally. We report a case of a fetal renal tumour suspected at 28 weeks’ gestation on routine ultrasound. Prenatal follow-up revealed a severe polyhydramnios at 32 weeks’ gestation subsequent amniodrainage was undertaken. She delivered at 34+5 weeks’ gestation, after spontaneous premature rupture of membranes.

  • pregnancy
  • paediatric surgery
  • utrasonography
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  • Contributors RPM: planning, conducting and reporting of the work. AF: diagnosis and review of the work. TA: diagnosis and review of the work. AS: diagnosis and review of the work.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Parental/guardian consent obtained.

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