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Start free with EleplanPectus excavatum-macrocephaly-dysplastic nails syndrome
ORPHA:2835Malformation syndrome
Also called Zori-Stalker-Williams syndrome
What it is
Pectus excavatum-macrocephaly-dysplastic nails syndrome is a rare multiple congenital anomalies syndrome characterized by relative macrocephaly, pectus excavatum, short stature, nail dysplasia, and motor developmental delay (that resolves during childhood). There have been no further descriptions in the literature since 1992.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Neonatal
- Inheritance
- Unknown
- Classified as
- Malformation syndrome
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Signs and symptoms
Sometimes5–29%
11- Abnormality of the face
- Depressed nasal bridge
- Hypoplasia of the zygomatic bone
- Hypoplastic toenails
- Hypotonia
- Malar flattening
- Nail dysplasia
- Pectus excavatum
and 3 more in this range
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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