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Difference between revisions of "Pituitary gland"
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→Specific entities: SCO, Pituicytoma and GCT added.
Jensflorian (talk | contribs) (→Images: Unusual adenoma morphology added) |
Jensflorian (talk | contribs) (→Specific entities: SCO, Pituicytoma and GCT added.) |
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==Craniopharyngioma== | ==Craniopharyngioma== | ||
{{Main|Craniopharyngioma}} | {{Main|Craniopharyngioma}} | ||
==Pituicytioma== | |||
{{Main|Pituicytoma}} | |||
==Spindle cell oncocytoma== | |||
*Origin: Neurohypophysis or infundibulum. | |||
*Benign clinical course - WHO grade I. | |||
*Elongated bipolar, spindle cells. | |||
*Fascicular or storiform growth patterns. | |||
*EMA: patchy, S-100+/-ve, GFAP+/-ve, TTF1+ve. | |||
*It is thought that Spindle cell oncocytomas and Granular cell tumors of the neurohypophysis are variants of Pituicyoma.<ref>{{Cite journal | last1 = Mete | first1 = O. | last2 = Lopes | first2 = MB. | last3 = Asa | first3 = SL. | title = Spindle cell oncocytomas and granular cell tumors of the pituitary are variants of pituicytoma. | journal = Am J Surg Pathol | volume = 37 | issue = 11 | pages = 1694-9 | month = Nov | year = 2013 | doi = 10.1097/PAS.0b013e31829723e7 | PMID = 23887161 }}</ref> | |||
==Granular cell tumor of the sellar region== | |||
{{Main|Granular_cell_tumour}} | |||
*Origin: Neurohypophysis or infundibulum. | |||
*Benign clinical course - WHO grade I. | |||
*Well circumscribed. | |||
*Polygonal cells with abundant granular cytoplasm. | |||
*CD68+ve, S-100+/-ve, GFAP+/-ve, TTF1+ve. | |||
==Autoimmune hypophysitis== | ==Autoimmune hypophysitis== | ||