Yasuaki Yanagawa

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Spondylodiscitis caused by Parvimonas micra, a rarely reported infection, might be under-detected using conventional methods. This report of the detection and treatment of two cases of spondylodiscitis due to P. micra and review of the literature indicates that the use of gene sequencing methods might improve the accuracy of diagnosing this infection.
Serological evidence of the epidemiological trends in Entamoeba histolytica infection is scarce, especially in nonendemic countries. We aimed to determine the antibody-positive rates over a 10-year period, and compare the trends between human immunodeficiency virus (HIV)-infected and -noninfected patients. We reviewed 3,514 patients who underwent antibody(More)
BACKGROUND Sputum conversion defined as 3 consecutive smear-negative sputum samples collected on different days is one of standard requirements for discontinuation of isolation for patients with smear-positive pulmonary tuberculosis (SPpTB). Sputum smear conversion is usually seen prior to culture conversion. However, in some patients, sputum smear tests(More)
BACKGROUND The epidemiology of incident syphilis infection among HIV-1-infected men who have sex with men (MSM) largely remains unknown. METHODS The incidence and risk factors for incident syphilis (positive TPHA and RPR> = 1:8) among HIV-1-infected MSM who visited a large HIV clinic in Tokyo for the first time between 2008 and 2013 were determined, using(More)
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