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Case Reports
. 1977 Mar;11(3):184-8.
doi: 10.1111/j.1399-0004.1977.tb01297.x.

A case report of a presumptive +i(18p) associated with serum IgA deficiency

K Ogata, K Iinuma, K Kammura, R Morinaga, J Kato
Case Reports

A case report of a presumptive +i(18p) associated with serum IgA deficiency

K Ogata et al. Clin Genet. 1977 Mar.

Abstract

The case of a 4-month-old male infant with retarded psychomotor development and multiple anomalies is presented. Cytogenetic studies on peripheral blood and skin cultures revealed a normal male complement with a supernumerary small metacentric chromosome. According to its size and its banding patterns, the metacentric chromosome was postulated to be an isochromosome for the short arm of number 18. A deficiency of serum IgA was observed in this patient.

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