2023
Hypophosphatemic rickets: An unexplained early feature of craniometaphyseal dysplasia
Barros J, Braddock D, Carpenter T. Hypophosphatemic rickets: An unexplained early feature of craniometaphyseal dysplasia. Bone Reports 2023, 19: 101707. PMID: 37654679, PMCID: PMC10466911, DOI: 10.1016/j.bonr.2023.101707.Peer-Reviewed Original ResearchMonths of ageCraniometaphyseal dysplasiaLow serum phosphorusElevated serum alkaline phosphatase activityHeterozygous pathogenic variantsSerum alkaline phosphatase activityHigh tubular reabsorptionProgressive hyperostosisSecondary hyperparathyroidismRadiographic improvementSerum phosphorusTubular reabsorptionRadiographic changesCranial nervesEarly featureMetaphyseal flaringPathogenic variantsDysplasiaRicketsSkeletal dysplasiaBiochemical profileMonthsLong bonesCraniofacial bonesAge 1
2013
Exome sequencing reveals FAM20c mutations associated with fibroblast growth factor 23–related hypophosphatemia, dental anomalies, and ectopic calcification
Rafaelsen SH, Ræder H, Fagerheim AK, Knappskog P, Carpenter TO, Johansson S, Bjerknes R. Exome sequencing reveals FAM20c mutations associated with fibroblast growth factor 23–related hypophosphatemia, dental anomalies, and ectopic calcification. Journal Of Bone And Mineral Research 2013, 28: 1378-1385. PMID: 23325605, DOI: 10.1002/jbmr.1850.Peer-Reviewed Original ResearchConceptsFibroblast growth factor 23Growth factor 23Factor 23Dental anomaliesExome sequencingAbsence of ricketsFAM20C mutationsCompound heterozygous mutationsWhole-exome sequencingIntracerebral calcificationsFGF23 levelsFamilial hypophosphatemiaHypophosphatemic ricketsEctopic calcificationHypophosphatemiaPutative new mechanismsType 1Heterozygous mutationsUndiagnosed probandsLong bonesNorwegian populationCausal roleHuman subjectsSequence similarity 20Rickets
1987
Bone fragility, craniosynostosis, ocular proptosis, hydrocephalus, and distinctive facial features: A newly recognized type of osteogenesis imperfecta
Cole E, Carpenter T. Bone fragility, craniosynostosis, ocular proptosis, hydrocephalus, and distinctive facial features: A newly recognized type of osteogenesis imperfecta. The Journal Of Pediatrics 1987, 110: 76-80. PMID: 3794889, DOI: 10.1016/s0022-3476(87)80292-5.Peer-Reviewed Original ResearchConceptsDistinctive facial featuresOsteogenesis imperfectaOcular proptosisMultiple compression fracturesWeight-bearing bonesDistinctive dysmorphic featuresBone biopsyCompression fracturesNew bone formationBone resorptionDiaphyseal fracturesBone fragilityBone deformitiesBone volumeExtensive demineralizationNew casesDysmorphic featuresFirst birthdayHydrocephalusBone formationLong bonesProptosisMultiple fracturesImperfectaFurther elucidation