Difference between revisions of "Lymph node pathology"

Lymph node pathology (view source)

278 bytes added , 16:17, 3 August 2010

48,460

edits

@@ Line 181: / Line 181: @@
 ===Microscopic===
 Features:<ref name=ILNP226>{{Ref ILNP|226}}</ref>
-*Abundant histiocytes & "special" cells - '''key feature''':
+*Abundant histiocytes & special histiocytes - in loose irregular clusters '''key feature''':
-**Histiocytes +/- melanin pigment '''key feature''' if present.
+**Do ''not'' form granuloma; may be similar to ''toxoplasma''.
-**Interdigitating dendritic cells.
+*Plasma cells (medulla).
-**Langerhans cells.
+*Eosinophils.
-*+/-Plasma cells.
-*+/-Eosinophils.
+Histiocytes & special histiocytes:
+*Histiocytes:
+**+/-Melanin pigment '''key feature''' (if present).
+**Lipid-laden macrophages.
+*Interdigitating dendritic cells:
+**Need IHC to identify definitively.
+*Langerhans cells:
+**Classically have a kidney bean nuclei.
+**Need IHC to identify definitively.
 IHC: