肾小球肾炎,尤其是慢性肾小球肾炎,经常出现贫血,这是人所熟知的。可是我们遇到一例慢性肾小球肾炎的病人,其红细胞持续增多,从1973年4月至1977年5月,四年内先后在我科住院8次,除一段时间按肾炎治疗整个病情减轻,红细胞一度降至448万/mm~3～490万/mm~3外,其余时间始终在500万/mm~3以上,最高达720万/mm~3。这个现象引起了我们的 It is well-known that glomerulonephritis, especially chronic glomerulonephritis, often causes anemia. However, we encountered a case of chronic glomerulonephritis patients, the red blood cells continued to increase, from April 1973 to May 1977, four years in our department has been hospitalized for 8 times, except for a period of time by nephritis treatment of the entire condition alleviated, red blood cells Once dropped to 4480000 / mm ~ 3 ~ 4.9 million / mm ~ 3, the rest of the time is always in 5000000 / mm ~ 3 above, up to 7.2 million / mm ~ 3. This phenomenon has caused us