Fig. 1

a Pedigree of a Chinese family with XLSA, the arrow indicated the proband. b The peripheral blood film from proband showed microcytic hypochromic, normocytic, and normochromic erythrocytes (HE stain, × 400). c The bone marrow film from proband showed mild dyserythropoietic change (HE stain, × 400). d The Prussian blue-stained specimens of bone marrow film from proband showed ringed sideroblasts with multiple perinuclear iron granules (HE stain, × 400)