Expanding the spectrum of Sideroblastic Anemia with B-cell Immunodeficiency, Periodic Fever and Developmental Delay (SIFD) syndrome: a case report with new clinical insights and novel genetic variant
Sideroblastic Anemia with B-cell Immunodeficiency, Periodic Fever and Developmental Delay (SIFD) is a rare autosomal recessive disorder caused by biallelic pathogenic variants in the TRNT1 gene, encoding tRNA nucleotidyltransferase 1, an enzyme essenti…