Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.
Start free with EleplanSanjad-Sakati syndrome
ORPHA:2323Malformation syndrome
Also called HRD syndrome · Hypoparathyroidism-intellectual disability-dysmorphism syndrome · Hypoparathyroidism-short stature-intellectual disability-seizures syndrome · Richardson-Kirk syndrome · SSS
What it is
Sanjad-Sakati syndrome (SSS), also known as hypoparathyroidism - intellectual disability-dysmorphism, is a rare multiple congenital anomaly syndrome, mainly occurring in the Middle East and the Arabian Gulf countries, characterized by intrauterine growth restriction at birth, microcephaly, congenital hypoparathyroidism (that can cause hypocalcemic tetany or seizures in infancy), severe growth retardation, typical facial features (long narrow face, deep-set eyes, beaked nose, floppy and large ears, long philtrum, thin lips and micrognathia), and mild to moderate intellectual deficiency. Ocular findings (i.e. nanophthalmos, retinal vascular tortuosity and corneal opacification/clouding) and superior mesenteric artery syndrome have also been reported. Although SSS shares the same locus with the autosomal recessive form of Kenny-Caffey syndrome, the latter differs from SSS by its normal intelligence and skeletal features.
Key facts
- Age of onset
- Infancy, Neonatal
- Inheritance
- Autosomal recessive
- Classified as
- Malformation syndrome
Signs and symptoms
Very common80–99%
22- Abnormal pinna morphology
- Congenital hypoparathyroidism
- Convex nasal ridge
- Deeply set eye
- Delayed skeletal maturation
- Depressed nasal bridge
- High forehead
- Hyperphosphatemia
- Hypocalcemia
- Hypoparathyroidism
- Intellectual disability
- Long philtrum
- Microcephaly
- Micrognathia
- Posteriorly rotated ears
- Postnatal growth retardation
- Seizure
- Severe intrauterine growth retardation
- Short foot
- Short stature
- Small hand
- Thin vermilion border
Common30–79%
3Sometimes5–29%
11- Aplasia/Hypoplasia affecting the eye
- Astigmatism
- Cellular immunodeficiency
- Corneal opacity
- Cryptorchidism
- Hypoplasia of penis
- Intestinal obstruction
- Myopathy
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.
Gene
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.
Powered by Eleplan
A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.
Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.