PEDEMONTE, J.G. et al. Angiomyolipoma and lenk syndrome: case report. []. , 32, 8, pp.850-854. ISSN 0210-4806.

Angiomyolipoma (AML) is a benign clonal neoplasm that consists of varying amounts of mature adipose tissue, smooth muscle, and thick-walled vessels. Approximately 20% of AMLs are found in patients with tuberous sclerosis syndrome (TS), an autosomal-dominant disorder characterized by mental retardation, epilepsy, and adenoma sebaceous, a distinctive skin lesion. Massive retroperitoneal hemorrhage from AML, also known as Wunderlich's syndrome, has been found in up to 10% of patients and represents the most significant and feared complication. The presence of even a small amount of fat within a renal lesion on CT scan (confirmed by Hounsfield unit’s ≤10) is considered diagnostic of AML. Intervention should be considered for larger tumors, particularly if the patient is symptomatic, taking into account patient age, comorbidities, and other related factors. A nephron-sparing approach, via either partial nephrectomy or selective embolization, is clearly preferred. We present the case of a fifty-nine-year old patient with an angiomyolipoma and massive retroperitoneal hemorrhage with Lenk syndrome.

: Angiomyolipoma; Lenk syndrome; Retroperitoneal haemorrhage.

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