Fig. 3

Two-generation pedigree analysis. a Sanger sequencing results of the amplified fragment in SH2D1A exon 3. The red arrows indicate the position of the identified mutation. b Family pedigree of the SH2D1A mutation found in the patient. The white square represents the father who is normal in this case, the white circle with a dot represents the mother who is a carrier of the X-linked recessive genetic disorder, the black square with an arrow represents the patient who is the proband