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Fetal rhabdomyomatous nephroblastoma: Diagnosis by fine-needle aspiration cytology—a case report

✍ Scribed by Ricardo Drut; Daniel Pollono

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
141 KB
Volume
22
Category
Article
ISSN
8755-1039

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✦ Synopsis

The present report describes the case of a 21-mo-old boy with a fetal rhabdomyomatous nephroblastoma (FRN) diagnosed by fineneedle aspiration cytology (FNAC). The smears contained numerous isolated or clustered, deeply eosinophilic, thin, elongated rhabdomyoblasts with oval nuclei. Some of these cells presented cross-striations. Peculiar clusters of small, deeply eosinophilic, round cells with and without rounded nuclei in a mosaic pattern were interpreted as representing transversally oriented rhabdomyoblasts. Fetal rhabdomyoblasts were by far the predominant type of cell. Histology of the surgical specimen proved 90% of the mass to be constituted of fetal rhadomyomatous tissue. Adequate recognition of FRN is useful for the planning of treatment. Diagn.

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