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Retinal Detachment and Lens

20

Subluxation in Marfan Syndrome

Dinah Zur and Anat Loewenstein

Abstract

Marfan syndrome is an autosomal dominant inherited disorder of connective tissue. During the last two decades, the major role of mutation of the gene fibrillin 1 was shown. Ocular involvement in Marfan syndrome is very common, and in 41% of Marfan patients, ocular pathology is the presenting symptom. This chapter will detail the two main ocular features: ectopia lentis and retinal detachment—the most common and serious sight-endangering complications of the syndrome. Parallel to improved life expectancy of Marfan patients, the introduction of modern operative instruments changed the surgical approach and significantly improved operative results.

Keywords

Dislocated lens • Fibrillin • High myopia • Marfan syndrome • Retinal detachment

Introduction

The first description of the Marfan syndrome was probably given by E. Williams, an ophthalmologist, in 1875 [1]. He described two families who

D. Zur, M.D. ( )

Department of Ophthalmology, Tel Aviv Medical Center, Weizman Street 6, Tel Aviv 64239, Israel

e-mail: dinahzur@gmail.com

A. Loewenstein, M.D., M.H.A.

Department of Ophthalmology, Tel Aviv Medical Center, Sackler Faculty of Medicine, Tel Aviv University,

6 Weitzman Street, Tel Aviv 64349, Israel e-mail: anatlow@netvision.net.il; anatlow@tasmc.health.gov.il

presented with dislocated lens and pupil, retinal detachment, and generalized loose-jointedness. In 1896, Marfan, a French pediatrician, reported on a 5-year-old child with long, thin extremities [2]. After being named “dolichostenomelia” and “arachnodactyly,” the name Marfan syndrome was coined only in 1931 [3]. In 1943, cardiovascular abnormalities were recognized as part of the syndrome with aortic dilatation, dissecting aortic aneurysm, and floppy mitral valve as major complications [4, 5]. In 1990, the role of fibrillin in the pathogenesis was demonstrated [6].

Marfan syndrome is the second most common inherited connective tissue disorder after osteogenesis imperfecta [7]. Its incidence is estimated between 1 in 5,000 and 1 in 20,000, but the

J.F. Arévalo (ed.), Retinal and Choroidal Manifestations of Selected Systemic Diseases,

377

DOI 10.1007/978-1-4614-3646-1_20, © Springer Science+Business Media New York 2013