Chung YM, Lin YC, Liu YT, Chang SC, Liu HN, Hsu WH. Uveitis with biopsy-proven sarcoidosis in Chinese--a study of 60 patients in a uveitis clinic over a period of 20 years.
J Chin Med Assoc 2007;
70:492-6. [PMID:
18063503 DOI:
10.1016/s1726-4901(08)70047-9]
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Abstract
BACKGROUND
The aim of this study was to assess the clinical features of uveitis with biopsy-proven sarcoidosis in Chinese patients.
METHODS
This was a retrospective study of uveitis patients with biopsy-proven sarcoidosis who consecutively visited the uveitis clinic of Taipei Veterans General Hospital from 1986 to 2005. Medical records were reviewed to obtain demographic data, initial symptoms, biopsy sites, pulmonary conditions detected by chest X-ray and manifestations of uveitis. From 2002 onwards, patients also received chest computed tomography (CT).
RESULTS
A total of 60 uveitis patients with biopsy-proven sarcoidosis were identified. Forty-four patients (73%) were found in the last 4 years. Female predominance with a male-to-female ratio of 1:6.5 was found. The most common initial symptom was uveitis in 41 patients (68%). The most common positive biopsy sites were mediastinal lymph nodes, lung, conjunctiva and skin. Twenty (90.9%) of 22 patients with chest X-ray stage 0 showed >or= stage 1 on CT. The mean age at uveitis onset was 47.7+/-14.7 years (range, 21-76 years), with no gender difference (p=0.913). A peak incidence was found in the 6th decade of life. There was bilateral eye involvement in 54 patients (90%). Frequency of the manifestations of uveitis showed isolated anterior uveitis in 2 patients (3.3%), isolated posterior uveitis in 8 patients (13.3%), intermediate and posterior uveitis (i.e. anterior uveitis sparing) in 16 patients (26.7%), and panuveitis in 34 patients (56.7%).
CONCLUSION
A marked increase was noted since 2002. One of the causes is the performance of chest CT. Chest CT is useful to discover mediastinal lymphadenopathy and other lesions suggestive of sarcoidosis, as well as to help guide tissue confirmation in patients with peculiar uveitis features indicative of sarcoidosis. Female predominance and peak incidence of uveitis onset in the 6th decade of life were found. The posterior segment was the most common localization of uveitis in biopsy-proven sarcoidosis in Chinese.
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