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Difference between revisions of "Gastrointestinal cytopathology"
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Gastrointestinal cytopathology (view source)
Revision as of 12:29, 13 April 2012
, 12:29, 13 April 2012→Mucinous neoplasm: expand
(→Mucinous neoplasm: expand) |
(→Mucinous neoplasm: expand) |
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===General=== | ===General=== | ||
*Pancreatic head: classically IPMN. | *Pancreatic head: classically IPMN. | ||
* | **IPMN assoc. with colloid carcinoma. | ||
*Pancreatic body & tail: mucinous tumour. | |||
===Cytology=== | ===Cytology=== | ||
Features: | Features: | ||
* | *Clusters or sheets of mucinous cells. | ||
*+/-Nuclear atypia. | *+/-Nuclear atypia. | ||
*+/-Thick mucin. | |||
**Suggestive of IPMN. | |||
Notes: | Notes: | ||
*In the body & tail mucinous cells may be contamination from [[stomach]]. | *In the body & tail mucinous cells may be contamination from the [[stomach]]. | ||
**Lesions in the pancreatic head are approached from the duodenum - do not have this problem. | **Lesions in the pancreatic head are approached from the duodenum - do not have this problem. | ||
*Ovarian stroma is '''not''' seen on cytology. | *Ovarian stroma is '''not''' seen on cytology. | ||
*Thick mucin may be from stomach. | |||
Image: | Image: | ||