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Phaeohyphomycosis due to Exophiala spinifera greatly improved by ALA-PDT: A case report
Hongfang Liu1, Jiao Zhang1, Yangxia Chen1
1Guangdong Dermatology Hospital of Anhui Medical University, Guangdong, Guangzhou 510091, China; Dermatology Hospital of Southern Medical University, Guangdong, Guangzhou 510091, China.
Abstract:
An 80-year-old women complained of painful erythema, papules, nodules on her right wrist for 9 months. Granuloma and inflammatory infiltrates with septate fungal hyphae were observed in pathological sections. Growth of demaciatious fungus on SDA was confirmed to be Exophiala spinifera by microscopic appearance and ITS rDNA sequencing. The diagnosis of phaeohyphomycosis due to E. spinifera was established. The patient had a poor response to oral itraconazole (200 mg/d) combining with terbinafine (250 mg/d) for 6 weeks. Then, following three courses of ALA-PDT, used as adjuvant therapy, skin lesions greatly improved and remained stable after 3 months follow-up. The case suggests that ALA-PDT is an effective adjuvant treatment option for patients with recalcitrant local subcutaneous fungal infection.
