/neurohypophysis granular cell tumor

neurohypophysis granular cell tumor

Rare Disease

MONDO:0003256

Also Known As

granular cell tumor of Neurohypophysisgranular cell tumor of neurohypophysisgranular cell tumor of the Neurohypophysis (WHO grade I)granular cell tumor of the neurohypophysisgranular cell tumor of the posterior pituitary glandgranular cell tumour of Neurohypophysisgranular cell tumour of neurohypophysisgranular cell tumour of the Neurohypophysis (WHO grade I)granular cell tumour of the neurohypophysisgranular cell tumour of the posterior pituitary glandneurohypophysis granular cell tumor

Definition

A generally benign intrasellar and/or suprasellar mass arising from the neurohypophysis or infundibulum. It is composed of nests of large cells with granular, eosinophilic cytoplasm due to abundant intracytoplasmic lysosomes. It generally has a slow progression and lacks invasive growth. (Adapted from WHO)