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Medulloepithelioma with heterologous osteoid component: a case report and review of literature

  • Yanal Omari
  • Ahmad A. Karkash
  • Razan A. Mansour
  • Nisreen Amayiri
  • Maisa Swaidan
  • Maysa Al-Hussaini
Case Report

Abstract

Purpose

Medulloepithelioma is a rare brain tumor that has been classified as embryonal tumor with multilayered rosettes (ETMR) if it harbors C19MC amplification. In rare instances, it shows evidence of heterologous differentiation.

Methods

We report a case of a 10-year-old female who presented with headache, squint, and minimal left sided weakness of 1 week duration.

Results

Microscopy revealed a small round blue cell tumor with focal glandular and tubular differentiation. In one focus, well-developed osteoid was identified. The tumor labeled with LIN28A immunostain.

Conclusions

Unusual features can be encountered in medulloepithelioma which should be in the differential diagnosis of CNS embryonal tumors. Full description of the case with review of the literature and comparison between cases with and without heterologous elements is presented.

Keywords

Medulloepithelioma Embryonal tumor with multilayered rosettes LIN28A Cytogenetics Brain tumors 

Notes

Compliance with ethical standards

Conflict of interest

None.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Yanal Omari
    • 1
  • Ahmad A. Karkash
    • 1
  • Razan A. Mansour
    • 1
  • Nisreen Amayiri
    • 2
  • Maisa Swaidan
    • 3
  • Maysa Al-Hussaini
    • 4
  1. 1.Faculty of MedicineUniversity of JordanAmmanJordan
  2. 2.Department of PediatricsKing Hussein Cancer Center (KHCC)AmmanJordan
  3. 3.Department of RadiologyKing Hussein Cancer Center (KHCC)AmmanJordan
  4. 4.Department of Pathology and Laboratory MedicineKing Hussein Cancer Center (KHCC)AmmanJordan

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