Psoriatic arthritis (PsA) is an inflammatory arthropathy associated with cutaneous psoriasis, which is currently classified as a seronegative spondyloarthropathy. The presence of cutaneous psoriasis is important for correct and early diagnosis of PsA, because the onset of cutaneous lesions usually precedes the appearance of joint manifestation. Thus, dermatologists are able to detect the condit...

Tuberculous dactylitis is an unusual form of osteoarticular tuberculosis involving the short tubular bones of hands and feet, which is uncommon beyond six years of age. We report the case of a fifteen-year-old adolescent boy who was diagnosed with tuberculous dactylitis, involving contralateral hand and foot. His diagnosis was delayed due to lack of suspicion of this rare entity. The report als...

Herein we report a 6-year-old Afghans patient referred to Department of Dermatology, St. AL-Zahra Hospital in Isfahan with ulcerative and nodular lesions disseminated over the face, arms, buttocks, pelvic girdle and legs in 2002. Direct smears of the lesions were positive for Leishman bodies. Leishmanin skin test was negative. He also had dactylitis in some digits and toes. PCR from bone biopsy...

To cite: Tan AL, Fukuba E, Halliday NA, et al. Ann Rheum Dis Published Online First: [please include Day Month Year] doi:10.1136/ annrheumdis-2014-205839 ABSTRACT Objective Dactylitis is a hallmark of psoriatic arthritis (PsA) where flexor tenosynovitis is common. This study explored the microanatomical basis of dactylitis using high-resolution MRI (hrMRI) to visualise the small entheses around...

Salmonella osteomyelitis involving the hand is a rare, but potentially morbid, complication of sickle cell disease in children. This entity can be difficult to distinguish from the more frequent presentation of dactylitis, but accurate diagnosis is critical to direct proper treatment. We report on a 15-month-old patient with sickle cell disease who ultimately developed osteomyelitis of 1 hand a...