Difference between revisions of "Talk:Meningioma"
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==Meningioma== | ==Meningioma== | ||
===Microscopic=== | ===Microscopic=== | ||
The '''sections shows''' a moderately cellular lesion with prominent whorls | The '''sections shows''' a moderately cellular lesion with prominent whorls and psammomatous calcifications. | ||
There are no macronucleoli, there is no sheeting architecture, no hypercellularity, and no spontaneous necrosis. The cells of the lesion do not have small cell change. There is no mitotic activity. '''There is no brain invasion./No brain tissue is present.''' | There are no macronucleoli, there is no sheeting architecture, no hypercellularity, and no spontaneous necrosis. The cells of the lesion do not have small cell change. There is no mitotic activity. '''There is no brain invasion./No brain tissue is present.''' | ||
Latest revision as of 17:06, 29 November 2010
Meningioma
Microscopic
The sections shows a moderately cellular lesion with prominent whorls and psammomatous calcifications.
There are no macronucleoli, there is no sheeting architecture, no hypercellularity, and no spontaneous necrosis. The cells of the lesion do not have small cell change. There is no mitotic activity. There is no brain invasion./No brain tissue is present.
Immunohistochemical staining of the tumour shows nuclear PR positivity. The Ki-67 does not stain any tumour cells.
The tumour cells have occasional nuclear inclusions.
Final diagnosis
BRAIN:
-MENINGIOMA, WHO GRADE 1.