Congenital disorders of glycosylation: The Saudi experience

We retrospectively reviewed Saudi patients who had a congenital disorder of glycosylation (CDG). Twenty‐seven Saudi patients (14 males, 13 females) from 13 unrelated families were identified. Based on molecular studies, the 27 CDG patients were classified into different subtypes: ALG9 ‐CDG (8 patients, 29.5%), ALG3 ‐CDG (7 patients, 26%), COG6 ‐CDG (7 patients, 26%), MGAT2 ‐CDG (3 patients, 11%), SLC35A2 ‐CDG (1 patient), and PMM2 ‐CDG (1...