Key points A 5-year-old boy from rural east-central Ontario was referred to the urgent dermatology service with tender ...

At this time, the ulcers had reduced in size and scabs had formed. After 10 months of antituberculosis therapy, the patient was symptom free and his skin lesions had all been replaced by ...

A 27-year-old man was seen in our otolaryngology clinic for evaluation of a 1-week history of sore throat, with persistent ...

Treponema pallidum, a spirochete, causes syphilis and is spread through contact with infectious lesions or body fluids. An ulcerative skin lesion, known as chancre, typically develops at the site ...