EEC syndrome

Overview

Ectodactyly, Ectodermal dysplasia, Clefting Syndrome also known as EEC syndrome is a rare genetic disorder characterized by absence of fingers and toes, ectodermal dysplasia and cleft lip or cleft palate.

Symptoms

  • Fair skin
  • Thin skin
  • Hyperkeratosis
  • Undeveloped nipples
  • Light-colored hair
  • Sparse hair
  • Thin hair
  • Wiry hair
  • Distorted hair bulb
  • Longitudinal grooves of hair shaft
  • Missing teeth
  • Small teeth
  • Dental caries
  • Blue eyes
  • Photophobia
  • Blepharophimosis
  • Lacrimal duct system defects
  • Maxillary hypoplasia
  • Malar hypoplasia
  • Nail dysplasia
  • Missing toes
  • Missing fingers
  • Syndactyly
  • Megaureter
  • Vesicoureteral reflux
  • Ureterocele
  • Bladder diverticuli
  • Renal agenesis
  • Renal dysplasia
  • Hydronephrosis
  • Small penis
  • Undescended testes
  • Transverse vaginal septum
  • Small head
  • Dysmorphism
  • Malformed ears
  • Blepharitis
  • Underdeveloped tooth enamel
  • Furrowed tongue
  • Rectal atresia
  • Urinary abnormalities
  • Mental retardation
  • Breathy voice
  • Deafness

Causes

This form of ectrodactyly, ectodermal dysplasia, and cleft lip/palate syndrome, designated EEC1, has been linked to chromosome 7q11.2-q21.3. Another form of the disorder, designated EEC3 (604292), is caused by mutation in the TP63 gene (603273).