People who have experienced chronic abdominal pain, diarrhea, fever, weight loss, and anemia may be examined for signs of Crohn's disease. In addition to a complete medical history and physical examination, diagnostic procedures for Crohn's disease may include: Blood tests.
The differential diagnosis of lymphocytopenia includes: 1  Infections, acute General acute infections. 2  Immunodeficiency AIDS. 3  Immune Systemic lupus erythematosis. 4  Endocrine ACTH. 5  Lymphatic circulation defects Intestinal lymphangectasia. 6  Medications Corticosteroids. 7  Miscellaneous Renal failure.
Also referred to as reactive lymphocytes, atypical lymphocytes are larger in size with a diameter of more than 30 microns. The large size of the lymphocytes is attributed to antigen stimulation. There are several factors that are responsible for atypical lymphocytes. These atypical lymphocytes are either folded, round, indented or elliptic in shape. They have basophilic cytoplasm and contain several vacuoles.