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KMID : 0388220110180040311
Journal of the Korean Rheumatism Association
2011 Volume.18 No. 4 p.311 ~ p.314
A Case of Spondyloepiphyseal Dysplasia Tarda (SEDT) Misdiagnosed as Ankylosing Spondylitis
Oh Il-Hwan

Song Jun-Seok
Rim Dong-Hwi
Choi Jong-Wook
Lee Seung-Hun
Lee Joo-Hyun
Kim Tae-Hwan
Abstract
The spondyloepiphyseal dysplasia tarda (SEDT) is a hereditary arthropathy that progressively leads to deformities of small and large joints, irregularities of the end plates of vertebral bodies, which causes joint restriction, short stature, and gait difficulties. The typical radiographic findings of SEDT are generalized platyspondyly and dysplasia of the epiphyses, resulting in premature arthrosis. Clinically SEDT is manifested as a form of short-trunk dwarfism and early arthrosis in the period from late childhood to adolescence. The major clinical importance of this rare disease is similarity to juvenile idiopathic arthritis (JIA), which has a rather different prognosis and treatment. A few cases of SEDT have been published. However, no cases have been reported in South Korea. We describe the case of a 29-year old man who suffered from back and multiple joint pain, who was misdiagnosed as having ankylosing spondylitis. We evaluated the patient clinically and radiographically in greater detail, and changed his diagnosis to SED tarda.
KEYWORD
Spondyloepiphyseal dysplasia tarda, Ankylosing spondylitis, Juvenile idiopathic arthritis
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