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Kidney: Angiomyolipoma Imaging Pearls - Educational Tools | CT Scanning | CT Imaging | CT Scan Protocols - CTisus
Imaging Pearls ❯ Kidney ❯ Angiomyolipoma

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  • “AML can haemorrhage, with intra-tumoural aneurysm size >5 mm a more specific predictor of future haemorrhage than tumor size >4 cm. Diagnosis of AML in the setting of acute haemorrhage is complex; comparison studies or follow-up imaging may be required. Not all AML contain gross fat and imaging features of AML without visible fat overlap with RCC; however, homogeneity, hyperdensity at NECT, low T2-weighted signal intensity and, microscopic fat are suggestive features.”

    Ten uncommon and unusual variants of renal angiomyolipoma (AML): radiologic-pathologic correlation.
    Schieda N et al.
    Clin Radiol. 2015 Feb;70(2):206-20
  • “Patients with tuberous sclerosis often demonstrate a combination of classic and minimal fat AML, but are also at a slightly increased risk for RCC and should be imaged cautiously. Several rare pathological variants of AML exist including AML with epithelial cysts and epithelioid AML, which have distinct imaging characteristics. Classic AML, although benign, can be locally invasive and the rare epithelioid AML can be frankly malignant.”

    Ten uncommon and unusual variants of renal angiomyolipoma (AML): radiologic-pathologic correlation.
    Schieda N et al.
    Clin Radiol. 2015 Feb;70(2):206-20
  • “Prophylactic embolization of pseudoaneurysms detected on early postoperative CT can prevent delayed hemorrhage after partial nephrectomy, without major complications.”

    Early Postoperative Screening by Contrast-Enhanced CT and Prophylactic Embolization of Detected Pseudoaneurysms Prevents Delayed Hemorrhage after Partial Nephrectomy.
    Morita S
    J Vasc Interv Radiol. 2015 Apr 13. pii: S1051-0443(15)
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