Steroid dehydrogenase deficiency-dental anomalies syndrome

Summary

Steroid dehydrogenase deficiency-dental anomalies syndrome (MONDO:0017904) is a disease. A subtype of metabolic disease — broader associated-gene and molecular evidence is on the parent page (see Disease family below).

At a glance

• Prevalence: <1 / 1 000 000 (Worldwide) [Orphanet-validated]
• Phenotypes (HPO): 4

Clinical features

Epidemiology

Prevalence records

2 prevalence record(s), Orphanet:

Type	Class	Value	Geography	Validation
Cases/families		1	Worldwide	Validated
Point prevalence	<1 / 1 000 000		Worldwide	Validated

Signs & symptoms

Clinical features (HPO)

4 HPO clinical features (Orphanet curated; top 4 by frequency):

HPO ID	Term	Frequency
HP:0000682	Abnormality of dental enamel	Very frequent (80-99%)
HP:0001399	Hepatic failure	Very frequent (80-99%)
HP:0006297	Enamel hypoplasia	Very frequent (80-99%)
HP:0011069	Supernumerary tooth	Very frequent (80-99%)

Identifiers

Disease identifiers

Field	Value
Canonical name	steroid dehydrogenase deficiency-dental anomalies syndrome
Mondo ID	MONDO:0017904
MeSH	C537490
Orphanet	3196
SNOMED CT	723583009
UMLS	C2931508
MedGen	419431
GARD	0005015
Is cancer (heuristic)	no

Also known as: Lyngstadaas syndrome · severe dental aberrations in familial steroid dehydrogenase deficiency · steroid dehydrogenase deficiency dental anomalies

Disease family

This is a subtype of metabolic disease. Genetic, therapeutic, and trial evidence is largely curated at the broader-term level — see the parent page for the associated-gene cohort and molecular evidence.

Classification path: disease › human disease › disease by developmental or physiological process › metabolic disease › steroid dehydrogenase deficiency-dental anomalies syndrome

Related subtypes (36): glutaric aciduria, mineral metabolism disease, xanthinuria, chondrocalcinosis, ochronosis disorder, glucose metabolism disease, diabetic kidney disease, xanthoma, diabetic retinopathy, hypertriglyceridemia, gout, lactic acidosis, acquired metabolic disease, lipodystrophy, developmental anomaly of metabolic origin, dopa-responsive dystonia, hypoalphalipoproteinemia, inborn errors of metabolism, vitamin B12 deficiency, proteostasis deficiencies, hyperlipidemia, disorder of GPI anchor biosynthesis, bilirubin metabolism disease, hyperlipoproteinemia, carbohydrate metabolism disease, porphyrin metabolism disease, purine metabolism disease, amino acid metabolism disease, pyrimidine metabolism disease, disorder of acid-base balance, disorder of glutamate decarboxylase, tumor lysis syndrome, collagenous sprue, steroid metabolism disease, disorder of organic acid metabolism, skeletal fluorosis

Genetics & variants

GWAS landscape

No GWAS associations recorded — common-variant (GWAS) studies don’t cover this disease (typical for Mendelian / rare diseases). See the curated gene cohort and Mendelian overlap below.

Variant details and genetic-evidence tiers

No tiered GWAS variants or ClinVar records for this disease.

Genes & proteins

No associated-gene cohort resolved for this disease. Atlas builds the molecular and therapeutic sections — associated genes, protein families, druggability, pathways, interactions, and drug associations — by aggregating over a disease’s associated genes (resolved via GWAS / GenCC / ClinVar / CIViC), and none resolved here. This is expected for antibody-mediated, autoimmune, or otherwise non-gene-defined conditions; the curated evidence for this disease is its clinical features, GWAS susceptibility, and clinical trials (above).

Function

No pathway enrichment — requires an associated-gene cohort.

Therapeutics

No druggable-target or therapeutic data for this disease’s cohort.

Clinical trials & evidence

Clinical trials

Clinical trials: 0.