| Demographic Data | 
	| Relation to Proband | 
	son | 
	| Sex | 
	Male | 
	| Racial Category | 
	White | 
	|   | 
	| Data Elements | 
	| Clinical Element Type: Marfan's Syndrome | 
	|    (Baseline)  | 
	| Inheritance | 
	| Family history of Marfan Syndrome | 
	Yes   No  Unknown   | 
	| If yes, give relationship of affected family members | 
	 No Data | 
	| Growth | 
	| Length at birth in cm | 
	 No Data | 
	| Adult height in cm  | 
	 No Data | 
	| Disproportionate tall stature | 
	 No Data | 
	| Arm span to height ratio (give ratio) | 
	 No Data | 
	| Puberty-associated peak in growth velocity  | 
	 No Data | 
	| Head and Neck | 
	| Dolichocephaly | 
	 No Data | 
	| Long, narrow face | 
	 No Data | 
	| Malar hypoplasia | 
	 No Data | 
	| Micrognathia | 
	 No Data | 
	| Retrognathia | 
	 No Data | 
	| Enophthalmos | 
	 No Data | 
	| Ectopia lentis | 
	 No Data | 
	| If yes, type: | 
	 Unilateral | 
	| Myopia | 
	 No Data | 
	| If yes, type | 
	 Mild | 
	| Increased axial globe length | 
	 No Data | 
	| Corneal flatness | 
	 No Data | 
	| Retinal detachment | 
	 No Data | 
	| Iris hypoplasia | 
	 No Data | 
	| Early glaucoma | 
	 No Data | 
	| Early cataracts | 
	 No Data | 
	| Down-slanting palpebral fissures | 
	 No Data | 
	| High-arched palate | 
	 No Data | 
	| Narrow palate | 
	 No Data | 
	| Dental Crowding (malocclusion) | 
	 No Data | 
	| Cardiovascular | 
	| Aortic regurgitation | 
	 No Data | 
	| Mitral regurgitation | 
	 No Data | 
	| Mitral valve prolapse | 
	 No Data | 
	| Congestive heart failure | 
	 No Data | 
	| Tricuspid valve prolapse | 
	 No Data | 
	| Premature calcification of mitral annulus | 
	 No Data | 
	| Aortic root dilatation  (ascending aorta) | 
	 No Data | 
	| Aortic dissection  (ascending aorta) | 
	 No Data | 
	| Ascending aortic aneurysm | 
	 No Data | 
	| If yes, give age at diagnosis (yrs) | 
	 No Data | 
	| Dilatation or dissection of the descending or abdominal aorta before age 50 | 
	 No Data | 
	| Pulmonary artery dilatation | 
	 No Data | 
	| Aortic root replacement | 
	 No Data | 
	| If yes, give age at time of replacement (yrs) | 
	 No Data | 
	| Atrial septal defect | 
	 No Data | 
	| Respiratory | 
	| Emphysema in most severe presentation | 
	 No Data | 
	| Pneumothorax | 
	 No Data | 
	| Pulmonary blebs | 
	 No Data | 
	| Chest | 
	| Pectus excavatum | 
	 No Data | 
	| If yes, type: | 
	 No Data | 
	| Pectus carinatum | 
	 No Data | 
	| If yes, type: | 
	 No Data | 
	| Thoracic asymmetry | 
	 No Data | 
	| Abdomen | 
	| Hernia | 
	 No Data | 
	| If yes, give type(s): | 
	 No Data | 
	| Skeletal | 
	| Premature arthritis | 
	 No Data | 
	| Scoliosis | 
	 No Data | 
	| If yes, type:  | 
	 No Data | 
	| Kyphoscoliosis | 
	 No Data | 
	| Thoracic lordosis | 
	 No Data | 
	| Spondylolisthesis | 
	 No Data | 
	| Lumbosacral dural ectasia | 
	 No Data | 
	| Protrusio acetabulae | 
	 No Data | 
	| Long bone overgrowth (dolichostenomelia) | 
	 No Data | 
	| Joint laxity (hypermobility) | 
	 No Data | 
	| If yes, list affected joints | 
	 No Data | 
	| Limited elbow extension | 
	 No Data | 
	| Joint contractures | 
	 No Data | 
	| Genu recurvatum | 
	 No Data | 
	| Arachnodactyly | 
	 No Data | 
	| Pes planus | 
	 No Data | 
	| Long, narrow feet | 
	 No Data | 
	| Pes cavus | 
	 No Data | 
	| Hammer toes | 
	 No Data | 
	| Medial rotation of the medial malleolus | 
	 No Data | 
	| Muscle | 
	| Decreased muscle mass | 
	 No Data | 
	| Skin, Nails, Hair | 
	| Striae distensae | 
	 No Data | 
	| Decreased subcutaneous fat | 
	 No Data | 
	| Central Nervous System | 
	| Dural ectasia | 
	 No Data | 
	| major CNS involvement | 
	 No Data | 
	| Laboratory Abnormalities | 
	| Decreased fibrillin-1 immunostaining in the dermis | 
	 No Data | 
	| Molecular Basis | 
	| Mutation in FBN1 gene | 
	 No Data | 
	| If yes, give mutation | 
	 No Data | 
	| Remarks | 
	Son |