What is embryonal tumour with multilayered rosettes in Pediatric Pathology?

A highly aggressive paediatric central nervous system embryonal tumour defined by amplification of the C19MC microRNA cluster on chromosome 19q13.42 and characterised by multilayered (Flexner–Wintersteiner-like) rosettes.

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Pediatric Pathology Glossary

105 terms total — 1 showing — Last updated 15 Sep 2026

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Placental Site Nodule PSN

Advanced Technical IVT

A benign, hyalinised remnant of intermediate trophoblastic cells incidentally found in endometrial or cervical curettage specimens, representing a retained focus of implantation-site trophoblast.

15 Sep 2026

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embryonal tumour with multilayered rosettes

Professional Technical IVT

A highly aggressive paediatric central nervous system embryonal tumour defined by amplification of the C19MC microRNA cl...

ETMR ETANTR (obsolete)

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Glossary terms, with category, difficulty and definition
Term	Category	Difficulty	Definition
embryonal tumour with multilayered rosettes IVT	Technical Term	Professional	A highly aggressive paediatric central nervous system embryonal tumour defined b...

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Total terms 105

IVT eligible 101

Verified 0

basic 3

intermediate 25

advanced 43

professional 34