Preferred Label : Osteogenesis imperfecta, type V;
Symbol : OI5;
CISMeF acronym : OI5;
Type : Phenotype, molecular basis known;
Alternative titles and symbols : Oi, type V;
Description : Osteogenesis imperfecta is a connective tissue disorder characterized by bone fragility
and low bone mass. Due to considerable phenotypic variability, Sillence et al. (1979)
developed a classification of OI subtypes based on clinical features and disease severity:
OI type I, with blue sclerae (166200); perinatal lethal OI type II, also known as
congenital OI (166210); OI type III, a progressively deforming form with normal sclerae
(259420); and OI type IV, with normal sclerae (166220). Most forms of OI are autosomal
dominant with mutations in one of the 2 genes that code for type I collagen alpha
chains, COL1A1 (120150) and COL1A2 (120160). Glorieux et al. (2000) described a novel
autosomal dominant form of OI, which they designated OI type V, in 7 patients. The
disorder was similar to OI type IV but had distinctive clinical, histologic, and molecular
characteristics. OI type V is characterized by calcification of the forearm interosseous
membrane, radial head dislocation, a subphyseal metaphyseal radiodense line, and hyperplastic
callus formation (summary by Cho et al., 2012).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the interferon-induced transmembrane protein 5 gene (IFITM5,
614757.0001);
Laboratory abnormalities : Elevated serum alkaline phosphatase during hyperplastic callus formation; Increased urinary collagen type I N-telopeptide excretion (NTx) during hyperplastic
callus formation;
Prefixed ID : #610967;
Origin ID : 610967;
UMLS CUI : C2931093;
Broader ORDO disease(s)
Currated CISMeF NLP mapping
DO Cross reference
Genes related to phenotype
HPO term(s)
ORDO concept(s)
Semantic type(s)
UMLS correspondences (same concept)