- Syphilis - DermNet
Untreated, 25% of patients develop secondary syphilis within three months (average six weeks) after the initial chancre Syphilis is a multisystem infection and the patient is very infectious during this stage Systemic symptoms may include fever, headache, malaise, myalgia, arthralgia, and lymphadenopathy
- Chancroid: Symptoms, Diagnosis, and Treatment — DermNet
Chancroid (soft chancre) is a sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi As seen in the images below, it is characterised by painful genital ulcers and painful swollen lymph glands in the inguinal area
- African trypanosomiasis - DermNet
The chancre is an indurated (hardened) red or purple nodule, 2 to 5 cm in diameter, which is accompanied by enlarged lymph nodes A central necrotic eschar (dark-coloured crust) may form before the chancre desquamates (peels off in scales) within 2 to 3 weeks, leaving no trace
- Syphilis pathology - DermNet
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 - DermNet
Syphilis images Authoritative facts about the skin from DermNet New Zealand
- Cutaneous tuberculosis (TB) - DermNet
Infection may follow piercings, tattooing, or other penetrating skin injury The face, hands, and legs are the commonest sites involved The tuberculous chancre appears 1-4 weeks after inoculation, presenting initially as a firm red papule which becomes a painless shallow ulcer with a granular base and undermined edge
- Differential diagnosis of vulval ulcers - DermNet
Primary chancre of syphilis There is a single, painless ulcer with a clean base and firm raised edges It is often associated with large, non-tender inguinal lymph nodes Lymphogranuloma venereum There is a single, transient, painless ulcer It is often associated with urethritis and followed by tender inguinal lymph nodes weeks later
- Anogenital warts, human papillomavirus - DermNet
Anogenital wart, Condyloma acuminata, Genital warts, Venereal warts, Condyloma acuminatum, Genital HPV, Genital human papillomavirus infection, Verruca acuminata
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