... [9].Primary researchRecurrent pneumonia with mild hypogammaglobulinemiadiagnosed as X-linked agammaglobulinemia in adultsKazuhiro Usui*, Yoji Sasahara†, Ryushi Tazawa*, Koichi Hagiwara*, Satoshi ... immunoglobu-lin replacement, they die in infancy. The case presentedhere is the only adult- onset case of the 107 cases in theXLA registry of the Ministry of Health and Welfare, Japan.This case clearly ... Tsukada S, Iwata T, Futatani T, Nomura K,Yamamoto J, Yoshida T, Agematsu K, Komiyama A, Miyawaki T:Detection of Bruton’s tyrosine kinase mutations in hypogam-maglobulinaemic males registered as...