- Sjogren-Larsson syndroom
- Chanarin-Dorfmann syndroom
- X-gebonden recessieve ichtyosis
- Cardio-facio-cutaneous syndroom
- Metabole aandoeningen
- CDG type If, Im
- CEDNIK/SNARE
- Chondroplasia punctata
- Conradi-Hunermann syndroom
- Gaucher type II
- Multiple sulfatase deficientie (Austin syndroom)
- Multisysteem triglyceride storage disease
- Refsum
- Serine deficientie syndroom
- Steroide sulfatase deficientie
- Sterol-C4-methyloxidase like gen defect
- Hyperkeratose
- CEDNIK
- Darier-White syndroom
- Hailey-Hailey
- Protoporfyrie
- Tyrosinemie type II (handpalmen en voetzolen)