《Slide 210.》Angiomyolipoma, Kidney

A. Brief Descriptions：

1. Most common in renal site but extra-renal site can occur.

2. Most are benign.

3. Necrosis and hemorrhage may be present but rare mitoses.

B. Gross Findings：

  略.

C. Micro Findings：

1. Angio-component is seen.

2. Smooth muscle component is present.

3. Mature adipose tissue is present.

D. Others:

1. Mature component of vascular, smooth muscle, and adipose tissue.

E. Reference：

1. Robbins Pathologic Basis of Disease, 6^th ed.  p.991

　

 

 

【 Fig. 210-1 (2X)】Relatively well circumscribed lesion.

　

 

 

【 Fig. 210-2 (20X)】Mature adipocytes are seen here.

　

 

 

【 Fig. 210-3 (2X)】Vascular component is seen in this view.

　

 

 

【 Fig. 210-4 (10X)】Vascular component is seen here.

　

 

 

【 Fig. 210-5 (20X)】Typical cigar-shaped smooth muscle cells.

　

 

 

【 Fig. 210-6 (10X)】Some smooth muscle cells component exhibit epithelioid  pattern.

　

 

【 Fig. 210-7 (10X)】Mature adipose tissue without atypia.