期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 191, 期 3, 页码 846-849出版社
WILEY
DOI: 10.1002/ajmg.a.63077
关键词
LDS; Loeys-Dietz syndrome; Marfan; retinal detachment
Loeys-Dietz syndrome is a connective tissue disorder similar to Marfan syndrome, but retinal detachment is rarely reported. This study reports a 5-generation family affected by LDS, where 6 eyes of 4 individuals had retinal detachment. The study suggests that ophthalmic examination should be added to the initial assessment of LDS patients and patients should be informed of the early warning symptoms of retinal detachment.
Loeys-Dietz syndrome (LDS) is an autosomal-dominant connective-tissue disorder with vascular and musculoskeletal abnormalities similar to Marfan syndrome. However, unlike Marfan, retinal detachment (RD) is rarely reported, and screening protocols do not currently feature ophthalmic assessment or RD counseling. We report a 5-generation family affected by LDS, where RD occurred in six eyes of four individuals. The proband was an 84-year-old male recently diagnosed with type-V LDS (TGF beta 3 pathogenic variant c.899G>A, p.(Arg300Gln)). Further investigation was undertaken into the family's medical history. The proband experienced bilateral rhegmatogenous RD at age 60, requiring emergency surgical repair. Other notable ophthalmic features include unusual keratometry, abnormal biometry, and severe hayfever requiring long-term sodium cromoglycate treatment. The proband's sister, father, and uncle had also experienced RDs, all prior to LDS diagnosis. This series demonstrates that RD risk may be significant in LDS, and on occasion the presenting clinical feature. We suggest ophthalmic examination should be added to the initial assessment LDS patients, and patients informed of the early warning symptoms of retinal detachment. As in Marfan syndrome, LDS patients may exhibit cornea plana and abnormal corneal topography, producing atypical biometry. They may also present with allergic conjunctivitis, and awareness of these signs might facilitate earlier diagnosis.
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