Guido Arroyo

Two Cases of Hemoglobin New York in Costa Rica

Hemoglobin New York was first described by Ranney et al. (1) in a Chinese American family. It was also reported in Chinese subjects in Taiwan by Blackwell et al. (2).

Hemoglobin Suresnes in a Costa Rican Woman of Spanish-Indian Ancestry

The first example of hemoglobin Suresnes, α2 141 (HC3) Arg → His β2, has recently been reported by Poyart et al (1). Hb Suresnes was detected by electrophoresis in a 6 year old boy who was found by routine hematological examination to have an abnormal RBC count and Hb concentration. The propositus and the two other members of the family who also had the variant did not show any clinical symptoms.