Unique Pulmonary Presentation of an Angiomyolipoma

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Abstract
Extrarenal angiomyolipomas are rare lesions that have been described in the liver, hard palate, skin, uterus, vagina, penis, and spermatic cord. In this report we present the clinical, radiographic, and pathologic findings of an angiomyolipoma of the lung in a 68-year-old woman without tuberous sclerosis or lymphangioleiomyomatosis. To our knowledge, this report is the first description of pulmonary angiomyolipoma. Distinction from other benign and malignant pulmonary mesenchymal lesions depends on recognition of traditional histologic criteria. In contrast to renal angiomyolipomas, study of this case and review of prior reports reveals that extrarenal angiomyolipomas are most often well demarcated, easily resected, and not associated with tuberous sclerosis.

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