血液疾患に合併した真菌症とくに深在性カンジダ症の検討

概要

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Deep-seated mycosis is prominently increasing as a terminal infection in compromised hosts with malignant blood disorders or malignant tumors. Moreover, localized candidal abscess of visual organs has recently been reported in several laboratories. We investigated the occurrence of deep-seated mycosis in 105 autopsied cases with blood disorders in our clinic from 1980 to 1987. Forty-four of those cases had died of various infections, and 80% of them were fungal infections. More than half of the fungal infections were aspergillosis. Deep-seated candidiasis was recognized in 10 cases, 6 of which were systemic candidiasis, theaverage duration of neutropenia below 500/mm3 was 19.7 days that of lymphopenia was 36.5 days. Two cases were complicated with GI-tract ulcer, and involved with hepatic candidiasis. On the other hand, in the 4 cases of localized candidial abscess, the duration of neutropenia was 58.5 days and that of lymphopenia was 28.8 days. These four cases were complicated with GI-tract ulcer. Histologically, Candida spp. were recognized at the bottom of the ulcer and invasion by inflammatory cells or tumor cells was found in the portal vein. We surmised that GI-tract ulceration is a very important complication of hepatic candidiasis or liver abscess, and the occurrence of localized candidiasis seems to depend on the duration and severity of neutropenia.
日本感染症学会の論文