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Infectious lymphocytosis is an acute lymphoproliferative disease of unclear etiology; mainly children <10 (peak 2-5), rare adults. WBC elevated with relative/absolute lymphocytosis, prolonged, mild non-specific symptoms; often incidental on CBC.
血液科Meningococcemia is septicemia caused by N. meningitidis, mainly presenting as cutaneous purpura. Pathologically there is endothelial damage, vasculitis, thrombosis, and perivascular hemorrhage. Nm is a Gram-negative Neisseria dwelling in the nasopharynx,
血液科M. chelonei disease resembles M. fortuitum, hence often called the fortuitum-chelonei complex. It mainly causes pulmonary and skin wound infections, growing smooth/rough colonies in 2-5 days at 37°C; diagnosis is by arylsulfatase, negative nitrate reducti
血液科M. scrofulaceum is widely distributed in nature and characteristically produces yellow pigment in dark culture; it forms colonies on Löwenstein medium in 2-3 weeks at 30-37°C and does not grow below 25°C. Clinical lesions are granulomatous nodules 10 days
血液科M. ulcerans infection (Buruli ulcer) occurs worldwide, mainly in tropical rainforests. The natural reservoir and transmission route are unclear; insects may be vectors. Lesions prefer the forearms and lower legs, starting as firm painless subcutaneous nod
血液科M. kansasii infection was first discovered in Kansas City, USA in 1953 and has since been found worldwide with rising incidence. Water may be its reservoir.
血液科Diagnosis and treatment of anemia, platelet abnormalities, leukocyte disorders, leukemia, lymphoma and other blood system diseases, providing chemotherapy and comprehensive hematological management.
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