Malignant syphilis accompanied with neurosyphilis in a malnourished patient: A case report

Figure 3 Photomicrograph of section of the skin biopsy from the abdomen lesion. A: The mixed infiltrate of lymphocytes, histocytes, and plasma cells (blue circle) accompanied by obliterative vasculitis in the dermis (red circle). (Hematoxylin-eosin staining, original magnification, ×200); B: Spiral and thread-like organisms, highlighted by the brown chromogen in the dermis, represent the spirochetes. (Immunohistochemical staining with anti-spirochetes, original magnification, ×200).