Table 1 Overview of the four individuals with Marshall–Stickler syndrome

From: Novel and recurrent COL11A1 and COL2A1 mutations in the Marshall–Stickler syndrome spectrum

Phenotype and genotype

Case 1

Case 2

Case 3

Case 4

Gene

COL11A1

COL11A1

COL11A1

COL2A1

Mutation

c.1845+1G>A

c.2808+1G>C

c.3816+1G>A

c.2710C>T

Phenotype

    

 Myopia

++

+

+++

++

 Vitreoretinal degeneration

++

++

+

 Retinal detachment

++

 Cataracts

++

++

+

 Midfacial hypoplasia

+

+++

+++

+++

 Micrognathia/retrognathia

+

++

++

 Cleft palate/bifid uvula

++

++

+

 Hearing loss

+

+++

+++

+++

 Joint hypermobility

++

 Congenital heart defect

+

 Short stature

+++

+++

++

 Skeletal abnormalities

NA

NA

+

+

  1. Abbreviation: NA, not assessed. The number of plus signs indicates the severity of the abnormality.