Angiomyolipoma differential diagnosis: Difference between revisions
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{{Angiomyolipoma}} | {{Angiomyolipoma}} | ||
{{CMG}} {{AE}}{{Faizan}} | {{CMG}} {{AE}}{{Faizan}} | ||
==Overview== | |||
==Differential Diagnosis== | |||
When an AML has typical appearances there is essentially no differential. If atypical, especially when fat-poor other lesions to consider include: | When an AML has typical appearances there is essentially no differential. If atypical, especially when fat-poor other lesions to consider include: |
Revision as of 18:03, 21 September 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Faizan Sheraz, M.D. [2]
Overview
Differential Diagnosis
When an AML has typical appearances there is essentially no differential. If atypical, especially when fat-poor other lesions to consider include:
- Retroperitoneal liposarcoma invading the kidney:
- Presence of a large vessel extending into the renal cortex suggestive of AML; liposarcoma is hypovascular
- Renal parenchymal defect at the site of tumour contact favours exophytic angiomyolipoma- claw sign
- Calcifications suggest liposarcoma
- Adrenal myelolipoma
- Renal cell carcinoma (RCC)
- May contain fat: lipid necrosis or osseous metaplasia
- Oncocytoma: may contain fat
- Wilm's tumor: may contain fat
- Perirenal fat entrapment / renal junctional parenchymal defect