case_images: PMC6745544_01
case_images: Facial appearance of the patient
case_images: CEJI-44-87073-g001.jpg
case_images: PMC6745544_01_CEJI-44-87073-g001.jpg
case_images: f0001
case_images: A neurological examination revealed that he had severe growth and psychomotor retardation (Fig. 1).
case_images: A) ABO and Rh blood group typing. B) Agglutination with strength of 4+ in all cross-matching with erythrocytes of A1, A2, B, and O blood group and anti-H lectin was negative
case_images: CEJI-44-87073-g002.jpg
case_images: PMC6745544_01_CEJI-44-87073-g002.jpg
case_images: f0002
case_images: ABO and Rh typing (Fig. 2A). A transfusion of one unit of packed red blood cells was planned, but severe haemolytic reactions developed during a cross-match related to all of the erythrocyte suspensions. The blood group was finally interpreted as the Bombay blood group with naturally occurring anti-H antibodies in the plasma (Fig. 2B).
case_images: Expression of CD11a, 11b, 11c, and CD15 by flow cytometry
case_images: CEJI-44-87073-g003.jpg
case_images: PMC6745544_01_CEJI-44-87073-g003.jpg
case_images: f0003
case_images: The expression of LFA-1 (CD11a/CD18), Mac-1 (CD11b/CD18), and p150/95 (CD11c/CD18) was not absent (Fig. 3).