Imwidthaya P, Thianprasit M, Srimuang S
Department of Microbiology, Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Mycopathologia. 1989 Mar;105(3):157-61. doi: 10.1007/BF00437248.
A total of 410 cases of pityriasis versicolor were studied in the Division of Dermatology, Department of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand, during January to December 1987. These comprised 1% of all skin disorders, while infection caused by fungus comprised 17%. Most persons infected with pityriasis versicolor were 12-21 years old (mean age 20 years) and 47% were male and 53% were female. The common sites of infection were back, arms, face and trunk. The colors of lesions found were white (83%), brown (7%), pink (6%) and ashy (4%). Both forms of M. furfur were isolated, the ovale form in 97% and the orbiculare form in 3% of cases. The colors of the lesions did not depend on the form of the organism. Mycological and immunological studies confirmed that the two forms were different stages in the complex developmental cycle of a single species.
1987年1月至12月期间，泰国曼谷玛希隆大学诗里拉吉医院医学系皮肤科对410例花斑癣病例进行了研究。这些病例占所有皮肤病的1%，而真菌引起的感染占17%。大多数花斑癣感染者年龄在12至21岁之间（平均年龄20岁），男性占47%，女性占53%。常见感染部位为背部、手臂、面部和躯干。发现的皮损颜色有白色（83%）、棕色（7%）、粉色（6%）和灰白色（4%）。两种糠秕马拉色菌均被分离出来，卵形糠秕马拉色菌在97%的病例中被分离出，圆形糠秕马拉色菌在3%的病例中被分离出。皮损颜色与真菌形态无关。真菌学和免疫学研究证实，这两种形态是单一物种复杂发育周期中的不同阶段。
