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Biomedical subjects

M Sasao

Publications and source records attributed to M Sasao.

6 recordsLinked to original sources

Ethanol patch test--a simple and sensitive method for identifying ALDH phenotype.

The ethanol patch test, which is considered to be a cutaneous model of flushing, was performed on 311 healthy Japanese (237 adults and 74 children). By comparing the results with aldehyde dehydrogenase (ALDH) phenotype determined by isoelectric focusing from hair roots samples, it was demonstrated that the ethanol patch test is a good indicator of the ALDH phenotype. The usefulness of this test in future studies was discussed.

Adult

An outbreak of amebiasis in an institution for the mentally retarded in Japan.

The results of an epidemiological survey in a 190-patient institution for mentally retarded were reported. Twenty percent of the patients had either cysts or trophozoites of Entamoeba histolytica in their stools, and 38% were positive serologically. The amebic outbreak revealed a sex-independent but age-dependent distribution; younger patients had more serious symptoms in cases invasive amebiasis. A high prevalence of amebic infection was found in the heavily retarded patients, and the positive cases tended to concentrate in certain training classes. Further demographic analysis suggests that the amebic infection was possibly caused by abnormal behavior of heavily retarded patients.

Adolescent

A case of intestinal myiasis in Japan.

A case of intestinal myiasis caused by larvae of Sarcophaga peregrina (Japanese name: senchi-nikubae) is reported. The patient passed stools containing live fly larvae for 2 days, but was otherwise asymptomatic. The patient seems to have been infested accidentally as a result of having eaten "yakitori" in which the fly had deposited its larvae. This paper is the first report of intestinal myiasis caused by the 3rd instar of this species.

Adult