Angiomyolipoma classification: Difference between revisions

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Revision as of 14:47, 1 October 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2], Faizan Sheraz, M.D. [3]

Angiomyolipoma may be classified according to etiology into 2 subtypes: tuberous sclerosis associated angiomyolipoma and isolated angiomyolipoma.

Angiomyolipoma may be classified as follows:


Radiologic Classification	Features

Classic angiomyolipoma	Abundant fat Fat tissue in renal sinus
Triphasic angiomyolipoma	Mature adipose tissue Dysmorphic blood vessels
Fat poor angiomyolipoma	Minimal fat tissue Abundant smooth muscle component
Hyperattenuating angiomyolipoma	Abundant smooth muscle component Hyperattenuating tissue
Isoattenuating angiomyolipoma	Scattered fat tissue Smooth muscle component
Angiomyolipoma with epithelial cysts	Epithelium lined cysts Fat poor
Angiomyolipoma in lymphangioleiomyomatosis	Atypical smooth muscle component Cystic changes

@@ Line 18: / Line 18: @@
 Classic angiomyolipoma
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Abundant fat
-*
+*Fat tissue in renal sinus
 |-
 | style="padding: 5px 5px; background: #DCDCDC;font-weight: bold" |
 Triphasic angiomyolipoma
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Mature adipose tissue
-*
+*Dysmorphic blood vessels
 |-
 | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
 Fat poor angiomyolipoma
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Minimal fat tissue
-*
+*Abundant smooth muscle component
 |-
 | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
 Hyperattenuating angiomyolipoma
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Abundant smooth muscle component
-*
+*Hyperattenuating tissue
 |-
 | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
 Isoattenuating angiomyolipoma
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Scattered fat tissue
-*
+*Smooth muscle component
 |-
 | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
 Angiomyolipoma with epithelial cysts
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Epithelium lined cysts
-*
+*Fat poor
 |-
 | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" |
 Angiomyolipoma in lymphangioleiomyomatosis
 | style="padding: 5px 5px; background: #F5F5F5;" |
-*
+*Atypical smooth muscle component
-*
+*Cystic changes
 |}