angiomyolipoma
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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
More general terms
References
- ↑ 1.0 1.1 1.2 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