Table 1 Clinical Findings.

From: Destabilization of the IFT-B cilia core complex due to mutations in IFT81 causes a Spectrum of Short-Rib Polydactyly Syndrome

Case

R98-443

R13-147A

Diagnosis

ATD

Short Rib Polydactyly Syndrome type II (Mohr-Majewski)

Gestational Age at Delivery (weeks)

Full term

35wk 4d

Birthweight (grams)

3797 g

3000 g

Birth Length (cm)

42.5 cm

38 cm

Apgar Scores

9, 9

Decreased minutes after birth

Head

Dolicocephaly, relative macrocephaly and with prominent occiput

Dolicocephaly, relative macrocephaly. Prominent forehead and occiput

Face

Prominent eyes, depressed nasal bridge with long philtrum

Flattened facies with midface hypoplasia

Ears

Right-sided pre-auricular pit without cystic swelling of the ear cartilage

Low set of ears

Heart

Normal

Ventricular septal defect

Thorax/Abdomen

Long and narrow thoracic cage with shortened ribs

Extreme shortened chest, severe pulmonary hypoplasia, omphalocele

Genitalia

Normal male. Both testes descended.

XY male with female genitalia

Neuro

Global hypotonia

Global hypotonia

Upper extremities

Rhizomelic shortening of the upper extremities greater than lower extremities, bilateral mesomelia of radii and ulnae

Extreme micromelia

Hands and feet

Broad hands and feet with short stubby fingers, bilateral simian creases and all of the fingers had two rather than three flexion creases

Polydactyly and syndactyly in the hands and feet

Lower extremities

Bowing of the mesomelic segment, dimples over the lateral knees

Extreme micromelia