Human Protothecosis: Case Report of a Rare Algal Infection

Freitas Acbp
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Abstract

Protothecosis: is a rare disease caused by opportunistic algae infection of the genus Prototheca. An 84-year-old female patient has presented with an erythematous, infiltrated, papulopustular plaque with areas of central atrophy on the left forearm for the past 10 months. Histopathology revealed structures similar to morulae, corresponding to algae, and culture was positive for Prototheca spp. Itraconazole 200 mg/day was prescribed, resulting in improvement of cutaneous lesions. Protothecosis has a high potential for underreporting and misdiagnosis due to its rarity and linical similarities with other dermatoses. The patient in this study presented a lesion in a typical area due to the ease of trauma and entry point, with a good therapeutic response to oral antifungal monotherapy.
人类原螺旋体病:罕见藻类感染病例报告
原孢子虫病:是一种由原孢子虫属机会性藻类感染引起的罕见疾病。一名 84 岁的女性患者在过去 10 个月中出现左前臂红斑、浸润、丘疹性脓疱和中央萎缩区。伊曲康唑 200 毫克/天,皮肤病变有所改善。原皮病因其罕见性和与其他皮肤病的临床相似性而极易被漏报和误诊。本研究中的患者的皮损位于一个典型的部位,因为易于创伤和进入,而且对口服单一抗真菌药物治疗反应良好。
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