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Purpose: The Multinational Association of Supportive Care in Cancer (MASCC) developed the MASCC antiemesis tool (MAT) as a tool for chemotherapy-induced nausea and vomiting (CINV) assessment and subsequently published its Japanese version in 2010. We evaluated the validity of CINV assessment in outpatients using the Japanese version of MAT.Methods: Patients administered highly or moderately emetogenic chemotherapy in the outpatient chemotherapy unit of our hospital were included in the study. The study was designed as a prospective two-period crossover observational study to evaluate the correlation between the daily patient diary and the Japanese version of MAT in terms of CINV onset. We examined with a focus on reliability of the Japanese version of MAT particularly in the description of the delayed phase of nausea and vomiting.Results: Patient descriptions of CINV onset in a total of 116 cycles in 58 patients (two cycles/patient) were analyzed. The CINV incidence indicated by the patient diary was similar to that by the Japanese version of MAT. The concordance rate between the two tools in the same patients was 86.2 % for CINV onset in the delayed phase. The nausea score was also similar between the two tools regarding the mean and variance, showing a strong correlation with a correlation coefficient of 0.71.Conclusions: The results of the study showed that the Japanese version of MAT is a highly reliable tool for CINV assessment, indicating that it is valid for assessing CINV in outpatients. [ABSTRACT FROM AUTHOR]

Enteropathy-type T-cell lymphoma (ETL) is a rare primary intestinal disorder, particularly in Japan, and there have been few reports on the endoscopic findings of the disease. Here we report detailed endoscopic findings of ETL based on double-balloon enteroscopy and capsule endoscopy. Double-balloon enteroscopy and capsule endoscopy may be useful tools for diagnosing and monitoring the effects of therapy in patients with ETL. [ABSTRACT FROM AUTHOR]