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Table 2 The genomics and clinical presentations of previously reported deletion cases at 2q35-q36.2

From: EPHA4 haploinsufficiency is responsible for the short stature of a patient with 2q35-q36.2 deletion and Waardenburg syndrome

Case ID

Sex

Age at exam (yrs)

Cytogenetic location of the deletion

stature

WS related features

Developmental issues

Additional features

Year reported or database

Reference

Case 1

M

22

2q35-2q36.1 (221107075–222960879)

NA

NA

NA

Abnormal hands

DECIPHER 282314

https://decipher.sanger.ac.uk/patient/282314#overview

Case 2

M

4

2q35-q36.1 (215300000–225200000)

Smaller than 95% of his age-matched peers

WS1 (DC, CHL, HI)

MD, ID

NA

1993

[6]

Case 3

F

?

2q35-2q36.1 (219971907–224926273)

Short stature

WS1 (DC, HI, synophrys)

ID

NA

DECIPHER 248718

https://decipher.sanger.ac.uk/patient/248718#overview

Case 4

F

8

2q34-2q36.1 (213206475–222612545)

Proportionate short stature

NA

SLD, ID

Postnatal microcephaly, bifid uvula, heart abnormality

DECIPHER 281765

https://decipher.sanger.ac.uk/patient/281765#overview

Case 5

F

5

2q34-q36 (209000000–231,000,000)

Short stature

NA

Normal intelligence

NA

1976

[14]

Case 6

M

6

2q35-q36.2 (215300001–226100000)

<5 percentile

WS3 (DC, HNA, HI, SD)

Mild MD, DD, ID

Normal hearing, speech and bone age

1992

[15]

Case 7

M

4

2q35-q36.2 (215300001–226100000)

NA

WS3 (DC, HNA, HI, HLM, synophrys) blepharophimosis, a bulbous nose, a cupid’s bow upper lip with a short philtrum and high nasal bridge

NA

NA

1998

[16]

Case 8

F

4

2q35-q36.2 (215300001–226100000)

NA

WS3 (DC, HNA, HLM, Synophrys) a cupid’s bow upper lip, a bulbous nose and high nasal bridge

SLD

Myelomeningocele; small hands; rthrogryposis and camptodactyly partial subluxation

1998

[16]

Case 9

M

11

2q34-q36.2 (209000000–226100000)

Severe growth retardation

WS1 (DC, BNR, CHL, HNA, WF)

ID

NA

1994

[4]

Case 10

F

5

2q35-q36 (215300001–231000000)

Short stature

WS3 (CHL, HH, HI, BNR, DC, HNA, synophrys)

Severe DD

NA

1993

[5]

Case 11

F

4

2q36 (221,500,001-231,000,000)

NA

WS1 (CHL, DC, HH)

-

Medial eyebrow flare

2013

[9]

Case 12

F

infant

De novo 2q36 (221,500,001-231,000,000)

IUGR

Hypertelorism, hypoplastic nasal bridge with prominent nasal tip and anteverted nares.

DD

NA

1993

[17]

  1. Not available (NA); Waardenburg syndrome (WS); dystopia canthorum (DC); congenital hearing loss (CHL), hypoplastic nasal alae (HNA); heterochromia idiris (HI); skin depigmentation (SD); developmental delay (DD); motor delay (MD); intellectual disability (ID); broad nasal root (BNR); white forelock (WF); intrauterine growth retardation (IUGR). HLM, HH.