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  • Title: [Nephron sparing surgery as a treatment modality for renal angiomyolipoma].
    Author: Mullerad M, Hidas G, Kastin A, Issaq E, Moskovitz B, Nativ O.
    Journal: Harefuah; 2005 Sep; 144(9):619-21, 678, 677. PubMed ID: 16218531.
    Abstract:
    OBJECTIVE: There is no consensus concerning the indications for active treatment (selective angioembolization (SAE) or surgery) versus observation alone, and the treatment modality for patients with renal angiomyolipoma (AML). Our study aimed to analyze the results of long-term follow-up of patients with renal AML treated by nephron-sparing surgery (NSS). MATERIALS AND METHODS: The medical records of thirteen patients with renal AML were retrospectively reviewed for clinical and histopathologic features. There were twelve women and one man (mean age 55 years) who were treated by NSS in our medical center between the years 1993-2001. RESULTS: One patient with tuberous sclerosis had bilateral multifocal tumors, another patient that presented with shock and retroperitoneal bleeding underwent an urgent NSS. Overall, eight patients were symptomatic at diagnosis. The mean tumor diameter was 5.5 cm (range 2.5-13 cm). There was no need to perform nephrectomy in any of the patients. Two patients had enucleation of more than one tumor in the same session. In one case the adrenal gland was surrounded by the AML and was removed with the specimen. No other serious complications were recorded. Four patients required blood transfusions. The mean follow-up period was 26 months (range: 6-62 months) and during that time there was no evidence of recurrence or decreased renal function. Only one patient developed AML in the contralateral kidney, there was one case of incisional hernia and another patient continued to suffer from flank pain. CONCLUSIONS: The results of the present study suggest that NSS is a safe and effective treatment modality for renal AML.
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