LYMPHOCYTOSIS
PHYSIOLOGICAL:
Vigorous exercise
PATHOLOGICAL:
Benign:
-Infections:
Viral: Adenovirus, EBV, CMV, Hepatitis A, Mumps, Rubella, Varicella, Dengue.
Bacterial: TB, Typhoid, Pertussis, Brucellosis, Syphilis, Rickettsial
Parasitic: Malaria, Toxoplasmosis
-Endocrine:
Thyrotoxicosis
Adrenaline
-Tissue injury:
Trauma
Post-splenectomy
-Immune:
Rheumatoid disease
Serum sickness
Allergic drug reaction
-Others:
Stress: MI, Sickle crisis
Thalassaemia intermedia
Metastatic melanoma
Malignant:
CLL
ALL
NHL