familial benign copper deficiency https://rarediseases.info.nih.gov/diseases/1522/copper-deficiency-familial-benign https://www.malacards.org/card/copper_deficiency_familial_benign MEDGEN:338958 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. OMIM:121270 GARD:0001522 familial benign hypocupremia MESH:C535468 Orphanet:1551 SCTID:763531001 UMLS:C1852576 MONDO:0007368 disorder of copper metabolism