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Difference between revisions of "Pineal gland"
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→Pineocytoma: +IHC
m (→Pineocytoma) |
(→Pineocytoma: +IHC) |
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==Pineocytoma== | ==Pineocytoma== | ||
===General=== | |||
*Benign tumour of the pineal gland. | |||
**WHO Grade I. | |||
===Microscopic=== | |||
Features: | Features: | ||
*Cytologically benign cells (uniform size of nuclei, regular nuclear membrane, light chromatin). | *Cytologically benign cells (uniform size of nuclei, regular nuclear membrane, light chromatin). | ||
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**#Neuropil centre is larger in pineocytoma. | **#Neuropil centre is larger in pineocytoma. | ||
**#Edge of neuropil meshwork irregular. | **#Edge of neuropil meshwork irregular. | ||
===IHC=== | |||
*Synaptophysin +ve. | |||
*Chromogranin A -ve. | |||
*NSE +ve (cytoplasmic + nuclear). | |||
*GFAP -ve. | |||
*PLAP -ve. | |||
*Ki-67. | |||
==See also== | ==See also== | ||