[Infection in Children with Acute Myeloid Leukemia in the Intensive Chemotherapy Period].

Objective: To investigate the clinical characteristics of infection in children with acute myeloid leukemia (AML) after high intensive chemotherapy， so as to provide reference for prevention and control of infection.

Methods: 56 children diagnosed as acute myeloid leukemia in our hospital from January 2016 to August 2019 were enrolled and retrospectively analyzed, the infection rate, pathogens of disease and common location of infection during the induction and consolidation period were analyzed.

Results: The total infection rate of the patients was 93.

[The differential features of bone marrow morphology of several rare infectious disorders].

Objective: To facilitate the diagnosis of histoplasmosis, kala-azar, penicilliosis marneffei, toxoplasmosis and cryptococcosis with the help of bone marrow morphology.

Method: The clinical features and bone marrow cytomorphology in 7 cases of histoplasmosis, 1 case of kela-azar, 1 case of penicilliosis marneffei, 2 cases of toxoplasmosis and 3 cases of cryptococcosis were studied.

Results: In the bone marrow examination, the form of histoplasma capsule was ovoid with a colorless circle.