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- Title
Clinical, biochemical, and biomolecular aspects of congenital adrenal hyperplasia in a group of Cameroonian children and adolescents.
- Authors
Ngo Um, Suzanne Sap; Betoko, Ritha Mbono; Mekone, Isabelle; Chetcha, Adèle Bodieu; Tardy, Veronique; Dahoun, Sophie; Mure, Pierre Yves; Plotton, Ingrid; Morel, Yves; Etoga, Martine Etoa; Nengom, Jocelyn Tony; Moifo, Boniface; Tambo, Faustin Mouafo; Sobngwi, Eugène; Ndombo, Paul Koki
- Abstract
Congenital adrenal hyperplasia (CAH) remains one of the most challenging endocrine disorders to diagnose, manage, and treat, especially in Africa where there is lack of neonatal screening program, and limited access to care. Data on biomolecular anomaly are sparse, therefore type of mutations are unknown, increasing management challenges and genetic counseling. The present study aims to describe clinical, biomolecular aspects of a group of Cameroonian patients. We did an observational retrospective study at the pediatric endocrinology unit of the Mother and Child Centre of the Chantal Biya Foundation in Yaounde from May 2013 to December 2019, including all patients diagnosed with CAH. We consecutively included 31 patients aged less than 21 years, diagnosed CAH. Median age at diagnosis was 1.71 years (IQR 0.08–2.57 years). Abnormal genitalia was the main complain in 48.4%(n=15). The most prevalent genetic anomaly found in our study population (n=24) was on CYP11, found in 16 patients (66.6%) followed by CYP21A2 mutation found in 8 patients. Homozygous mutation of p.Q356X was found in half of patients with 11 hydroxylase deficiency. This mutation was mostly found in people from semi-Bantu tribes, declared non consanguineous. 11 hydroxylase deficiency is the most prevalent form of CAH found in this group of Cameroonian children.
- Publication
Journal of Pediatric Endocrinology & Metabolism, 2022, Vol 35, Issue 6, p777
- ISSN
0334-018X
- Publication type
Article
- DOI
10.1515/jpem-2021-0696