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Vitamin D-dependent rickets (VDDR) type 1: case series of two siblings with a CYP27B1 mutation and review of the literature / Raquitismo dependente de vitamina D: tipo 1: série de casos de dois irmãos com mutação CYP27B1 e revisão da literatura
Dhull, Rachita Singh; Jain, Reena; Deepthi, Bobbity; Cheong, Hae II; Saha, Abhijeet; Mehndiratta, Mohit; Basu, Srikanta.
Afiliación
  • Dhull, Rachita Singh; Lady Hardinge Medical College and associated Kalawati Saran Children Hospital. Department of Pediatrics. Division of Pediatric Nephrology. New Delhi. IN
  • Jain, Reena; Lady Hardinge Medical College and associated Kalawati Saran Children Hospital. Department of Pediatrics. Division of Pediatric Nephrology. New Delhi. IN
  • Deepthi, Bobbity; Lady Hardinge Medical College and associated Kalawati Saran Children Hospital. Department of Pediatrics. Division of Pediatric Nephrology. New Delhi. IN
  • Cheong, Hae II; Seoul National University Childrens Hospital. Department of Pediatrics. Seoul. KR
  • Saha, Abhijeet; Lady Hardinge Medical College and associated Kalawati Saran Children Hospital. Department of Pediatrics. Division of Pediatric Nephrology. New Delhi. IN
  • Mehndiratta, Mohit; University College of Medical Sciences. Department of Biochemistry. New Delhi. IN
  • Basu, Srikanta; Lady Hardinge Medical College and associated Kalawati Saran Children Hospital. Department of Pediatrics. Division of Pediatric Nephrology. New Delhi. IN
J. bras. nefrol ; 42(4): 494-497, Oct.-Dec. 2020. tab
Article en En, Pt | LILACS | ID: biblio-1154624
Biblioteca responsable: BR1.1
ABSTRACT
Abstract Two siblings presented with clinical and biochemical features of rickets, initially suspected as hypophosphatemic rickets. There was no improvement initially, hence the siblings were reinvestigated and later diagnosed as having vitamin D-dependent rickets (VDDR) type 1 due to a rare mutation in the CYP27B1 gene encoding the 1α-hydroxylase enzyme. Both siblings improved with calcitriol supplementation. The initial presentation of VDDR is often confusing and algorithmic evaluation helps in diagnosis. We also present a brief review of the literature, including genetics.
RESUMO
Resumo Dois irmãos apresentaram características clínicas e bioquímicas do raquitismo, com suspeita clínica inicial de raquitismo hipofosfatêmico. Não houve melhora no início, portanto os irmãos foram reavaliados e, posteriormente, diagnosticados com raquitismo dependente de vitamina D (VDDR) tipo 1 devido a uma rara mutação no gene CYP27B1, que codifica a enzima 1a-hidroxilase. Ambos os irmãos melhoraram com a suplementação de calcitriol. A apresentação inicial do VDDR geralmente é confusa e a avaliação algorítmica ajuda no diagnóstico. Também apresentamos uma breve revisão da literatura, incluindo genética.
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Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Asunto principal: Raquitismo Hipofosfatémico Familiar / 25-Hidroxivitamina D3 1-alfa-Hidroxilasa Límite: Humans Idioma: En / Pt Revista: J. bras. nefrol Asunto de la revista: NEFROLOGIA Año: 2020 Tipo del documento: Article País de afiliación: India / Corea del Sur

Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Asunto principal: Raquitismo Hipofosfatémico Familiar / 25-Hidroxivitamina D3 1-alfa-Hidroxilasa Límite: Humans Idioma: En / Pt Revista: J. bras. nefrol Asunto de la revista: NEFROLOGIA Año: 2020 Tipo del documento: Article País de afiliación: India / Corea del Sur
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