Difference between revisions of "Atypical lobular hyperplasia"

Atypical lobular hyperplasia (view source)

396 bytes added , 05:05, 23 January 2017

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 ==Microscopic==
 Features:
-*Extent criterium: <50% of terminal duct lobular unit (TDLU) is involved.
+#Morphologic changes - memory device ''ABCDEF'':
-*See ''[[lobular carcinoma in situ]]'' for details.
+#*'''A'''typia minimal - usually.
+#**Relatively small ~1-2x size lymphocyte.
+#*'''B'''orders of cells distinct/visible - ''dyscohesive''.
+#*'''C'''lear cytoplasm (focal).
+#**May have a signet ring cell-like appearance.
+#*'''D'''istend duct.
+#*'''E'''ccentric nucleus, usu. round.
+#*'''F'''illed ducts.
+#**'''No''' luminal spaces - '''key feature'''.
+#***Partially filled ducts are ''not'' LCIS.
+#Limited extent: <50% of terminal duct lobular unit (TDLU) is involved.
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