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
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
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 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
Syphilis image - DermNet Keywords: Primary chancre, Sensitive-image, Syphilis What is syphilis? Syphilis is a sexually transmitted infection caused by the spirochete Treponema pallidum
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
Skin conditions and HIV AIDS: A Complete Overview - DermNet The presence of a chancre may present an increased ability to transmit HIV via sexual contact Bacillary angiomatosis is a less common infection, typically seen in immunocompromised patients only It is caused by two Bartonella bacteria species and presents as a papulonodular rash, with hyperpigmented red or purple lesions