Fetal mesenchymal hamartoma of kidney. A tumor of secondary mesenchyme.

Cancer
H J Wigger

Abstract

The ultrastructure of a fetal mesenchymal hamartoma of the kidney shows undifferentiated mesenchymal cells, whose morphological characteristics conform to those of secondary mesenchyme. In contrast to primary mesenchyme or mesoblast, which may form epithelial structures, secondary mesenchyme is incapable of doing so. While Wilms' tumor may be considered a tumor of mesoblast, the fetal mesenchymal hamartoma is believed to originate from secondary mesenchyme or some of its more mature derivatives.

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Citations

Jun 22, 1976·Virchows Archiv. A, Pathological Anatomy and Histology·H J Wigger, S M Mitsudo
Apr 1, 2004·Indian Journal of Pediatrics·Jyotsna SenB Arora
Aug 24, 2004·Virchows Archiv : an International Journal of Pathology·Michal MichalSaul Suster
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Mar 26, 2003·Pathology, Research and Practice·Sébastien HennoPierre Dubus
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Jun 1, 1990·The Journal of Urology·D J Van VeldenF J Allen
Aug 1, 1989·The Journal of Urology·T S GormleyD Maybee

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