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Start free with EleplanExtrasystoles-short stature-hyperpigmentation-microcephaly syndrome
ORPHA:1964Malformation syndrome
Also called Char-Douglas-Dungan syndrome
What it is
Extrasystoles-short stature-hyperpigmentation-microcephaly syndrome is a rare, genetic, malformation syndrome with short stature characterized by microcephaly, borderline intellectual disability, hyperpigmentation of the skin, short stature, and ventricular extrasystoles. Cardiac syncope may also be associated. There have been no further descriptions in the literature since 1975.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Neonatal
- Inheritance
- Autosomal dominant
- 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
Very common80–99%
7These 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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