An area of fibrinoid necrosis walled off by a cuff of histiocytes is seen in this prostate biopsy. This is most likely in response to a preious biopsy.

• 下图中可见一纤维素样坏死区域被周围的组织细胞所包裹。这极可能是前列腺穿刺所导致的局部组织反应。