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Familial benign copper deficiency is a rare disorder of mineral absorption and transport characterized by hypocupremia that manifests as failure to thrive, mild anemia, repeated seizures, hypotonia, and seborrheic skin. Spurring of the femur and tibia are also noted on radiographic imaging. Symptoms are reversible or improve with supplements of oral copper. There have been no further descriptions in the literature since 1982.
Features include very common findings: Abnormality of immune system physiology; and common findings: Wide nasal bridge, Acne, Low muscle tone (hypotonia), and Deep philtrum and others. 15 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Growth and development | 2 | Failure to thrive, Short stature |
Phenotype severity distribution: 1 very common feature, 5 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for familial benign copper deficiency.
2 publications have been identified in PubMed for familial benign copper deficiency. Research spans Review / Meta-Analysis (50%) and Case Report / Case Series (50%).
Shao J (2025). [PMID: 40261314](https://pubmed.ncbi.nlm.nih.gov/40261314/). *Sci Prog*. [Case Report / Case Series]
Katsaras G (2024). [PMID: 38921186](https://pubmed.ncbi.nlm.nih.gov/38921186/). *Hematol Rep*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 12:56 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Brain and nerves
1 |
Seizure |
Skin | 1 | Seborrheic dermatitis |
Blood and immune system | 1 | Low red blood cell count (anemia) |
Muscles | 1 | Low muscle tone (hypotonia) |