Zellballen pattern on histopathology is observed in?-
Zellballen pattern on histopathology is observed in Paraganglioma or Carotid body tumors. Zellenbalen- composed to nests of polygonal chief cells. Robbins basic pathology. 7th edition. page no. 789.
GIST
Astrocytorna
Carotid body tumor
Retinoblastoma
miscellaneous