Pernicious anemia has generally been considered a disease of Caucasians. In a recent review1 we pointed out that its occurrence in Negroes is by no means uncommon and that the recognition of this fact should make for more frequent diagnosis. Textbooks in general, and hematologic texts in particular, stress the great infrequency of pernicious anemia in Chinese. This impression is borne out by a study of the literature. Notwithstanding this fact, we have had occasion to recognize and study 3 cases of typical pernicious anemia in native-born Chinese who had lived for many years in the Chinese community of Chicago.
REVIEW OF THE LITERATURE
The cases reviewed by Struther2 were incompletely worked up and did not fulfil the diagnostic criteria of pernicious anemia. In response to his questionnaire, Berglund wrote that no Chinese patient with this disease had been seen at the Peking Hospital. Fu and Sturton3