Hemoglobin D variations are a group of hemoglobinopathies caused by mutations in the genes that control the synthesis of new globin chains. Hemoglobin D-Punjab is the most prevalent but frequently asymptomatic, it can occasionally cause mild to moderate hemolytic anemia, making diagnosis difficult and raising the risk of misdiagnosis. This article discusses a rare instance of a seventeen-year-old male in Sindh, Pakistan with iron deficiency anemia who was later found to have the Punjab variation of the hemoglobin D.
View Article and Find Full Text PDFSwyer syndrome is a condition where individuals with a 46XY karyotype, typically associated with males, display complete gonadal dysgenesis and lack testicular differentiation. This results from a mutation in the SRY gene, which is essential for testis development. As a consequence, affected individuals who appear phenotypically female have male chromosomes but do not develop functional testes.
View Article and Find Full Text PDF