Something About Pathology

Primitive Neuroendocrine Tumour

(PNET)

  • peripheral
    • primitive PNET = Ewing Sarcoma
  • CNS

Under the microscope:

  • Round blue nuclei
  • Embryonal Immature Cells
  • Hyperchromatic nuclei
  • High nuclear to cytoplasmic ratios
  • Scant cytoplasm
  • Prominent necrosis and apoptosis