A 23-year-old man presented to our dermatology department with a 2-month history of a painless, nonpruritic ulcer on his right thumb ( [Figure 1A] [1]). He reported sex with men and a history of HIV.
The differential diagnosis includes chancroid, herpes simplex, tuberculous chancre, deep mycoses, squamous cell carcinoma, traumatic ulcer, aphthous stomatitis and Behçet syndrome. 3 Without treatment ...
Background Ocular syphilis is often difficult to diagnose because of the wide variation in clinical features. HIV co-infection may further complicate the picture. Case presentation Herein the authors ...
Causes of syphilis: Besides sexual contact, syphilis can spread through the placenta from the mother to the foetus, blood transfusion and direct contact with an open lesion (Image: Canva) Syphilis is ...
A 41-year-old man presented with a 6-week history of a painful, nonhealing lesion on the dorsum of his tongue. Examination revealed an ulcer with a raised, indurated margin (Panel A). Malignancy an ...
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