Dermatitis

Blastomycosis dermatitidis, also known as North American blastomycosis, is a chronic purulent, granulomatous lesion mainly caused by lung, skin, and bones caused by bacterial dermatitis. The disease is mainly prevalent in North America, and it is also distributed in a small number of places in the United Kingdom and Mexico. However, patients have a history of living in the United States or having been exposed to the bacteria. In China, in 1989, Wu Shaoxi and others discovered a case of Chinese Americans with skin-type infections. In 1999, Guo Runshen and others reported the disease as a local infection. The disease occurs in men aged 40 to 60 years. Spores are swallowed by macrophages after entering the alveoli, causing inflammatory reactions including infiltration of polymorphonuclear leukocytes and subsequent formation of granulomas, which can manifest as purulent or purulent granulomatous lesions. The clinical manifestations are primary pneumonia dermatomycosis, dermatitis dermatitis, and disseminated dermatitis. Combining fungal examinations and lung examinations to help confirm the diagnosis. Amphotericin B is an effective treatment for blastomycosis.