Article
An Uncommon Case of Hypophosphataemia-Non-Lethal Raine Syndrome With Novel FAM20C Variant: Expanding the Phenotypic Spectrum.
American journal of medical genetics. Part A - 1 Mar 2026
Au Candice Wai-Man, Cheng Shirley Sze-Wing, Cheng Timothy Hua-Tse, Chan Pui Kwan Joyce, Ho Lai-In, Cheng Jenny Yeuk-Ki, Yeung Walter Wai, Ou Min, Tse Vincent Cheuk-Tung, Wong Hugo Chi-Chung, Luk Ho-Ming
Abstract excerpt
Raine Syndrome (MIM #259775) is an autosomal recessive osteosclerotic disorder due to biallelic variants in the FAM20C gene. It is classified into two subtypes based on perinatal lethality. Here, we report an 18-year-old male who presented with dental problems in childhood and subjective gait instability, followed by an incidental finding of hypophosphataemia and multiple-level spinal stenosis. Examination showed...
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