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.
Lymphocytopenia, or lymphopenia, is the condition of having an abnormally low level of lymphocytes in the blood. Lymphocytes are a white blood cell with important functions in the immune system.The opposite is lymphocytosis, which refers to an excessive level of lymphocytes.Lymphocytopenia may be present as part of a pancytopenia, when the total numbers of all types of blood cells are reduced. In B lymphocytopenia, there are too few B lymphocytes, but possibly normal numbers of other lymphocytes. 2  It causes, and manifests as, a humoral immune deficiency. 3  This is usually caused by medications that suppress the immune system.