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. 2011 Jul 15;89(1):148–153. doi: 10.1016/j.ajhg.2011.05.028

Table 1.

Clinical Findings of Individuals with 3-M Syndrome

3-M ID
3M-1a 3M-1b 3M-2 3M-3 3M-4 3M-5
Clinical Features

Gender M M F F M M
Birth weight (g) 2200 2500 2400 2100 900 2150
Birth weight SD −3 −2.2 −2.6 −3.1 −6.3 −3.1
Age at initial presentation (yrs) 2.8 0.4 4 0.65 4.4 0.75
Height SD at presentation −3 −3.5 −3.3 −6.7 −4.8 −3.4
Weight SDat presentation −3.9 −4.1 −4.3 −3.7 −5.2 −3
OFC SD at presentation 0 −0.9 NA −3.2 NA NA

Radiological Features

Tall vertebral bodies + +
Slender long bones + +

Facial Features

Fleshy tipped nose + + + + + +
Anteverted nares + + +
Full fleshy lips + +
Triangular face + + + +
Dolicocephaly + +
Frontal bossing + + + + +
Midface hypoplasia + + +
Long philtrum +
Pointed chin + + + +
Prominent ears + + +

Other Clinical Features

Short neck + + +
Winged scapulae
Square shoulders + + +
Short thorax + + + + + +
Transverse chest groove + +
Pectus deformity
Hyperlordosis + +
Scoliosis
Hypermobility of joints +
Fifth-finger clinodactyly +
Prominent heels + + + + + +
Spina bifida occulta
Developmental dysplasia hip + +

NA, not available; OFC, occipitofrontal circumference; SD, standard deviation. Auxology, radiological features, and clinical phenotype of six 3-M syndrome persons with CCDC8 mutations. List of clinical features from Hanson et al.7