Difference between revisions of "Gastrointestinal tract polyps"

Gastrointestinal tract polyps (view source)

37 bytes added , 19:41, 14 July 2010

m

48,877

edits

@@ Line 145: / Line 145: @@
 ===Traditional adenoma===
 ====Microscopic====
-*Nuclear changes at the surface (of the mucosa) - '''key feature'''.
+#Nuclear changes at the surface (of the mucosa) - '''key feature'''.
-**Loss of nuclear polarity (nuclei no longer on basement membrane).
+#*Cigar-shaped (elongated) nucleus (usu. length:width > 3:1) - '''key feature'''.
-**Nuclear crowding/pseudostratification (key feature).
+#**Normal nuclei are round.
-**Hyperchromasia (more blue).
+#*Nuclear crowding/pseudostratification - '''key feature'''.
-**Cigar-shaped (elongated) nucleus - length:width > 3:1 (key feature).
+#*Nuclear hyperchromasia (more blue).
-***Normal nuclei are round.
+#*+/-Loss of nuclear polarity (nuclei no longer on basement membrane).
-*Loss/decrease of goblet cells.
+#Loss/decrease of goblet cells (common).
-*Cytoplasmic hyperchromasia.
+#Cytoplasmic hyperchromasia.
 Notes: