《Slide 191.》Adenocarcinoma & Caseous granuloma, Lung

A. Brief Descriptions：

1. Caseous granuloma is caused by tuberculosis.

B. Gross Findings：

   略.

C. Micro Findings：

1. Composed of epithelioid cells surrounded by a zone of fibroblasts and lymphocytes.

2. Some necrosis (caseation) is usually present in the centers of these tubercles.

D. Others:

1. It most occurs in the apex of the lung. (may be widely disseminated in the lungs, kidneys, meninges, marrows and other organs)

E. Reference：

1. Robbins Pathologic Basis of Disease, 6^th ed. Ch.16. P.723~724.

　

 

【 Fig. 191-1 (LP)】

　

 

 

【 Fig. 191-2 (LP)】

　

 

 

【 Fig. 191-3 (HP)】

　

 

 

【 Fig. 191-4 (HP)】