Jan 9, 2020 · Gummas typically occur on the skin or bone but can be found anywhere: Skin gummas can be painless; Gummas in long bones cause a deep, boring pain that is worse at night. Cardiovascular disease is a rare complication. The aorta is the most likely organ affected and becomes dilated, resulting in aortic aneurysm and aortic valve regurgitation.

Syphilis is an infectious disease caused by the spirochaete Treponema pallidum.. Histology of syphilis. Primary syphilis (primary chancre) demonstrates an acanthotic epidermis which erodes with time to become ulcerated.

Syphilis images. Authoritative facts about the skin from DermNet New Zealand.

Granuloma. Authoritative facts about the skin from DermNet New Zealand.

References. Bermejo-Fenoll A, Sánchez-Pérez A. Necrotising periodontal diseases. Med Oral Patol Oral Cir Bucal 2004; 9 Suppl:114-19; 108–14.

Introduction. Pinta, also called puru-puru or carate, is a relatively benign (mild and non-progressive) skin disease, caused by bacteria called Treponema carateum.

Cutaneous tuberculosis images. Authoritative facts about the skin from DermNet New Zealand.

Laboratory tests for yaws. Yaws is usually diagnosed on the clinical findings of characteristic skin changes because T pallidum pertenue cannot be distinguished from T pallidum pallidum or other treponemal subspecies with commercially available laboratory tests.

Cutaneous tuberculosis, Tuberculosis of skin, Cutaneous TB, Tuberculosis cutis, Tuberculoderma. Authoritative facts from DermNet New Zealand.

Chronic granulomatous disease, Congenital dysphagocytosis, Chronic septic granulomatosis, Bridges Good syndrome, Quie syndrome. Authoritative facts from DermNet New Zealand.