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Difference between revisions of "Small intestine"
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→Ileal nodular lymphoid hyperplasia: tweak
m (→Small bowel neoplasms: w) |
(→Ileal nodular lymphoid hyperplasia: tweak) |
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| Line 95: | Line 95: | ||
*[[Mantle cell lymphoma]]. | *[[Mantle cell lymphoma]]. | ||
*Other lymphomas. | *Other lymphomas. | ||
===IHC=== | |||
*CD20 and CD3 - mixed population of lymphocytes. | |||
*CD23 - follicular dendritic cells. | |||
*Cyclin D1 -ve. | |||
Note: | |||
*IHC should be used if there is: | |||
**Clinical suspicion. | |||
**Histologic suspicion - either: | |||
***Sheets of lymphocytes without apparent germinal centre formation in a larger area (~ 2 mm). | |||
***Lymphoepithelial lesions. | |||
===Sign out=== | ===Sign out=== | ||
| Line 103: | Line 115: | ||
- NEGATIVE FOR ILEITIS. | - NEGATIVE FOR ILEITIS. | ||
</pre> | </pre> | ||
<pre> | |||
TERMINAL ILEUM, BIOPSY: | |||
- SMALL BOWEL WITH LYMPHOID HYPERPLASIA -- NO SIGNIFICANT PATHOLOGY. | |||
</pre> | |||
====Micro==== | |||
The sections show small bowel mucosa with lymphoid hyperplasia. | |||
Immunostains for CD3, CD20 show a mixed population of lymphocytes. CD23 show follicular | |||
dendritic cells. Cyclin D1 is negative. | |||
==Multiple lymphomatous polyposis== | ==Multiple lymphomatous polyposis== | ||