Abstract: To report one case of abdominal abscess and fistula caused by Candida tropicalis.A female patient, 78 years old, undergoes a laparoscopic surgery due to duodenal perforation and peritonitis.The wound has not completely healed.The patient was hospitalized for abdominal abscess and fistula.Twice secretion culture showed no bacteria growth.The fungal direct microscopic examination was positive, and the fungi was identified as Candida tropicalis by fungal culture.Histopathology showed inflammatory granuloma and numerous pseudomycelium and spores were found.By oral itraconazole and amphotericin B solution gauze drainage, the patient was almost cured by 3 months.

Key words: deep fungal infection, Candida tropicalis, 1-3-β-d-glucose, misdiagnosis