Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Sporotrichal Tenosynovitis Diagnosed Helpfully by Musculoskeletal Ultrasonography
Takashi ShimizuShosuke AkitaYoshinori HaradaEri OguroYasutaka OkitaMinoru ShigesakaHidetoshi MatsuokaTakuro NiiSatoru TeshigawaraEriko Kudo-TanakaSoichiro TsujiMasato MatsushitaShiro OhshimaYoshihiko HoshidaJun HashimotoYukihiko Saeki
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JOURNAL OPEN ACCESS

2017 Volume 56 Issue 10 Pages 1243-1246

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Abstract

A 72-year-old man presented with persistent oligoarthritis and positive results for rheumatoid factor and was suspected of having rheumatoid arthritis (RA). However, the musculoskeletal ultrasonography (MSUS) findings were not consistent with those of typical RA. He had undergone surgery for carpal tunnel syndrome, which allowed both histopathological and microbiological examinations to be performed. A synovial tissue culture was positive for Sporothrix schenckii, and he was diagnosed with sporotrichal tenosynovitis. He received anti-fungal therapy, and the sporotrichal tenosynovitis resolved. This case suggests that MSUS is a useful modality, and sporotrichal tenosynovitis, though rare, should be considered in the differential diagnosis of RA.

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© 2017 by The Japanese Society of Internal Medicine
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