China hematology department had better go to the top three hospitals above the municipal level. Due to the relatively high medical means at or above the municipal level and relatively complete hospital facilities, the occurrence of leukemia usually belongs to a malignant disease of hematopoietic stem cells, which is usually caused by various factors such as virus infection or exposure to chemicals, and usually leads to fever and anemia.

Extended data:

Matters needing attention in blood collection in hematology department:

1, choose a suitable posture, take a sitting or lying posture, and appropriately increase the comfort.

2. When taking blood, don't wear clothes with too small cuffs, which will hinder blood collection and lead to arm hematoma.

3, relax, avoid nervousness, avoid fear leading to vasoconstriction, and increase the difficulty of blood collection.

4. If the platelet is low, press the pinhole for at least 30 minutes, and the user should not rub it to avoid subcutaneous congestion. If there is bleeding tendency, the pressing time should be prolonged.

5. When the user has blood stasis, hot compress with towel after 24 hours can promote absorption.

Baidu encyclopedia-blood internal medicine

People's Network-Hematology Physician Branch of China Medical Doctor Association: Hou Ming