The 2 cases reported herein involve benign renal angiomyolipomas, showing the same angiomyolipoma changes in the regional lymph nodes. It is concluded that these lymph node changes are caused by a multicentric origin of the angiomyolipoma rather than true metastasis. A plea is made not to over treat these tumors since all evidence points to the fact that they are indeed benign.
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Busch et al. (1976) studied this question.
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