Search
angiomyolipoma
Etiology:
- tuberous sclerosis is risk factor
Epidemiology:
- most common benign tumors of the kidney [1]
Clinical manifestations:
- generally asymptomatic & found incidentally on imaging
Radiology:
- CT of kidney or MRI of kidney
- fat on a well-circumscribed lesion excludes RCC*
*RCC: renal cell carcininoma
Complications:
- risk of hemorrhage in tumors > 4 cm [1]
Management: (renal angiomyolipoma)
- angiomyolipoma (unequivocal diagnosis on CT scan)
- if lesion <4 cm, observation is appropriate
- if the lesion equals > 4 cm & patient is asymptomatic, observation may be appropriate
- if the lesion > 4 cm & the patient is symptomatic
- angiographic embolization or surgical removal
General
angiolipoma
References
- Thomas S, Grimm L, Brady MP
Renal Cell Carcinoma: Recognition and Follow-up.
Medscape. April 18, 2016
http://reference.medscape.com/features/slideshow/renal-cell-carcinoma