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Bookmark or Share- Differential diagnosis of vulval ulcers - DermNetPrimary 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 ...
- Cutaneous tuberculosis pathology - DermNetSpecial studies for cutaneous tuberculosis. Tubercle bacilli can be demonstrated in cutaneous tuberculosis with Ziehl-Neelsen/acid-fast stain but may be extremely difficult to find and absent in many cases, particularly when the granulomatous response is well established.
- Chancroid: Symptoms, Diagnosis, and Treatment — DermNetChancroid (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
- Skin conditions and HIV/AIDS: A Complete Overview - DermNetThe 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.
- Syphilis - DermNetUntreated, 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.
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