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Difference between revisions of "Basics"
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→Histomorphologic classification: small cell lymphoma
(→Histomorphologic classification: small cell lymphoma) |
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*Epithelioid cell. | *Epithelioid cell. | ||
**Looks like epithelium - cell borders touch neighbouring cells so that the cells collectively form a barrier. | **Looks like epithelium - cell borders touch neighbouring cells so that the cells collectively form a barrier. | ||
*[[Small round blue cell tumour]]: | *[[Small round blue cell tumour]]/lymphoid: | ||
**Small cells with scant cytoplasm. | **Small cells with scant cytoplasm. | ||
***"Small" is classically 2x a "resting lymphocyte" diameter. | ***"Small" is classically 2x a "resting lymphocyte" diameter. | ||
****Diameter of a "resting lymphocyte" ~ diameter of a [[red blood cell]] (RBC) ~ 8 micrometres. | ****Diameter of a "resting lymphocyte" ~ diameter of a [[red blood cell]] (RBC) ~ 8 micrometres. | ||
****Most carcinoma cells are 3-4x the size of a RBC. | ****Most carcinoma cells are 3-4x the size of a RBC. | ||
*Small lymphoid ([[small cell lymphoma]]). | |||
**"Small" in the context of lymphoid is classically ~1x a "resting lymphocyte" diameter. | |||
**Often not malignant by cytology. | |||
==Finding the elements== | ==Finding the elements== | ||