Angiomyolipoma pathophysiology

Angiomyolipoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Pathophysiology

Since all three components of an angiomyolipoma (vascular cells, immature smooth muscle cells and fat cells) contain a "second hit" mutation, they are believed to have derived from a common progenitor cell that suffered the common second hit mutation.

Microscopic Pathology

1. Histopathologic image of renal angiomyolipoma. Nephrectomy specimen. H & E stain.

2. Histopathologic image of renal angiomyolipoma. Nephrectomy specimen. The same case as demonstrated in "Image 1". H & E stain.

3. Histopathologic image of renal angiomyolipoma. Nephrectomy specimen. The same case as demonstrated in "Image 1". H & E stain.

4. Histopathologic image of renal angiomyolipoma. Nephrectomy specimen. The same case as demonstrated in "Image 1". HMB-45 immunostain.