Difference between revisions of "Non-invasive breast carcinoma"

Non-invasive breast carcinoma (view source)

224 bytes added , 07:03, 6 February 2012

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 ====Subtypes of DCIS====
-Subtypes are based on architecture:
+The subtypes are based on architecture.
-*Solid.
-**No spaces between cells.
-*Cribriform.
-**Honeycomb-like appearance: circular holes.
-**"Cookie cutter" appearance/"punched-out" appearance/"Roman bridges" -- cells surround the circular holes.
-*Papillary.
-**Papillae with fibrovascular cores.
-*Micropapillary.
-**Small papillae without fibrovascular cores.
-**Have "drum stick" shape.
-NOTE: ''comedonecrosis'' - used to be considered a separate subtype -- essentially ''solid'' type DCIS with [[necrosis]].
+Note:
+*''Comedonecrosis'' used to be considered a separate subtype.  [[Necrosis]] is seen most often in the context of ''solid ductal carcinoma in situ''.
+=====Solid ductal carcinoma in situ=====
+Features:
+*No spaces between cells.
+DDx:
+*[[LCIS]].
+=====Cribriform ductal carcinoma in situ=====
+Features:
+*Honeycomb-like appearance: circular holes.
+*"Cookie cutter" appearance/"punched-out" appearance/"Roman bridges" -- cells surround the circular holes.
+=====Papillary ductal carcinoma in situ=====
+Features:
+*Papillae with fibrovascular cores.
+=====Micropapillary ductal carcinoma in situ=====
+Features:
+*Small papillae without fibrovascular cores.
+*Have "drum stick" shape.
 ====Grading DCIS====