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Difference between revisions of "An introduction to head and neck pathology"
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An introduction to head and neck pathology (view source)
Revision as of 13:40, 12 April 2011
, 13:40, 12 April 2011→Olfactory neuroblastoma: more
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==Olfactory neuroblastoma== | ==Olfactory neuroblastoma== | ||
:See also: ''[[neuroblastoma]]''. | |||
===General=== | ===General=== | ||
*[[AKA]] ''esthesioneuroblastoma''. | *[[AKA]] ''esthesioneuroblastoma''. | ||
*Prognosis: poor. | *Prognosis: poor. | ||
===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*[[Small round cell tumour|Small round (blue) cell tumour]]. | *[[Small round cell tumour|Small round (blue) cell tumour]]. | ||
DDx: | |||
*Lymphoma. | |||
*Small cell carcinoma. | |||
*Other [[small round cell tumours]]. | |||
*Basaloid squamous carcinoma. (???) | |||
===IHC=== | |||
*S100: | |||
**Sustentacular cells +ve. | |||
**Small round cells -ve. | |||
*Neuroendocrine markers +ve (CD56, synaptophysin). | |||
Others: | |||
*CD45 -ve (r/o [[lymphoma]]). | |||
*AE1/AE3 -ve (r/o carcinoma). | |||
==Craniopharyngioma== | ==Craniopharyngioma== | ||