PMID: 11927972Apr 3, 2002Paper

Multicystic congenital mesoblastic nephroma

International Journal of Surgical Pathology
Ricardo Drut

Abstract

This report describes an unusual example of congenital mesoblastic nephroma cellular variant that presented in a 1-week-old neonate as a multicystic tumor of the kidney. Extensive pseudocystic cavitation resulted from progressive accumulation of ground substance in a loosely myxoid tissue composed of stellate- and spindle-shaped cells that compressed and infiltrated renal tissue. The cells of the tumor were positive for vimentin and smooth muscle actin. The patient is alive and well 16 years after surgery. Differential diagnosis from segmental cystic dysplasia, cystic intralobar nephrogenic rest, cystic nephroma, cystic partially differentiated nephroblastoma, cystic nephroblastoma, and cystic clear cell sarcoma of the kidney, all of which may present at this age, is discussed.

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Citations

Sep 4, 2007·Best Practice & Research. Clinical Obstetrics & Gynaecology·R Douglas Wilson
Aug 4, 2004·Magnetic Resonance Imaging·Ashley M GrovesAndrew Doble
Apr 30, 2003·Advances in Anatomic Pathology·Luan D TruongBhuvaneswari Krishnan
Feb 8, 2006·Advances in Anatomic Pathology·Michele BiscegliaAdalberto Sessa

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