49,294
edits
Difference between revisions of "Papillary"
Jump to navigation
Jump to search
tweak
(tweak) |
|||
| (4 intermediate revisions by the same user not shown) | |||
| Line 4: | Line 4: | ||
In [[pathology]], '''papillary''' refers to a nipple-like projection with a fibrovascular core. | In [[pathology]], '''papillary''' refers to a nipple-like projection with a fibrovascular core. | ||
''Papillary pattern'' | ''Papillary pattern'' redirects here. | ||
==General== | |||
*Common histomorphologic pattern that is seen in a large number of contexts. | |||
==Microscopy== | |||
Histologic definition - papilla: | |||
*Nipple-shaped structure consisting of epithelium on a fibrovascular core. | |||
**''Fibrovascular core'' = fibrous tissue + least one blood vessel. | |||
Note: | |||
*May be associated with [[psammoma bodies]]. | |||
DDx: | |||
*Micropapilla - nipple-shaped structure without blood vessels; usually smaller than papillae. | |||
*Pseudopapilla - cells distant from the blood vessels undergo [[necrosis]] imparting a papillary-like appearance, e.g. [[solid pseudopapillary tumour]]. | |||
==Some entities with the word ''papillary''== | ==Some entities with the word ''papillary''== | ||
| Line 21: | Line 36: | ||
===Gastrointestinal pathology=== | ===Gastrointestinal pathology=== | ||
*[[Solid and papillary epithelial neoplasm]]. | *[[Solid and papillary epithelial neoplasm]] - actually ''pseudopapillary''; also known as ''solid pseudopapillary tumour''. | ||
*[[Intraductal papillary mucinous tumour]]. | *[[Intraductal papillary mucinous tumour]]. | ||
*Biliary intraductal papillary neoplasm. | *Biliary intraductal papillary neoplasm. | ||