Most of cases showed erosion and ulcer in skin or mucosa, abundant neutrophil infiltrations with microabscess formation.
组织学表现为皮肤、黏膜糜烂或溃疡，大量中性粒细胞浸润伴上皮内微脓肿及隐窝微脓肿。
2
The microscopic appearance of a microabscess is shown here. The center consists of blue bacterial colonies and is surrounded by acute inflammatory cells.