Concurrent systemic diagnoses (no of patients)
| Achalasia, alacrima and hypoadrenalism (AAA) syndrome | 4 |
| Stüve–Wiedemann syndrome | 3 |
| Systemic atopic disease (eczema, asthma) | 2 |
| Developmental delay | 2 |
| Moebius syndrome | 1 |
| X-linked hypohydrotic ectodermal dysplasia | 1 |
| Goldenhar's syndrome | 1 |
| Duane's syndrome | 1 |
| Bilateral microfacial microsomia | 1 |
| Bilateral VI palsy | 1 |
| Sensorineural deafness | 1 |
| Metastatic Ewing's | 1 |
| Transient positive rheumatoid factor | 1 |
| Kearns–Sayre syndrome | 1 |
| Inflammatory linear verrucous epidermal naevus (ILVEN) | 1 |
| Keratitis ichthyosis deafness (KID) syndrome | 1 |