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agranulocytosis

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
agranulocytosis /agran·u·lo·cy·to·sis/ (a-gran″u-lo-si-to´sis) a symptom complex characterized by decreased granulocytes and by lesions of the throat, other mucous membranes, gastrointestinal tract, and skin; most cases are complications of drug therapy, radiation, or exposure to chemicals.
a·gran·u·lo·cy·to·sis (-grny-l-s-tss, -grn-)
n.
An acute disease characterized by high fever, lesions of the mucous membranes and skin, and a sharp drop in circulating granular white blood cells.

Agranulocytosis
An acute condition marked by severe depression of the bone marrow, which produces white blood cells, and by prostration, chills, swollen neck, and sore throat sometimes with local ulceration. Aalso called agranulocytic angina or granulocytopenia.

agranulocytosis
[āgran′yoo͡lō′sītō′sis]
a severe reduction in the number of leukocytes (basophils, eosinophils, and neutrophils). Neutropenia results, whereby the body is severely depleted in its ability to defend itself. Fever, prostration, and bleeding ulcers of the rectum, mouth, and vagina may be present. The acute disease may be an adverse reaction to a medication or the result of the effect of radiation therapy or chemotherapy on bone marrow.

agranulocytosis (āgran´ylōsītō´sis),
n a decrease in the number of granulocytes in peripheral blood resulting from bone marrow depression by drugs and chemicals or replacement by a neoplasm. Oral lesions are ulceronecrotic, involving the gingivae, tongue, buccal mucosa, or lips. Regional lymphadenopathy and lymphadenitis are prevalent.
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Agranulocytosis.

agranulocytosis
a disease state characterized by a marked reduction in the granulocyte count in the blood and in the body's defenses against bacterial invasion. Called also granulocytopenia. See also feline panleukopenia.

agranulocytosis
Granulocytopenia, granulopenia Hematology A marked ↓ in PMNs < 500/mm3 Clinical Fever, malaise, mucocutaneous ulcers–throat, GI tract, skin Etiology Acquired due to adverse response to prescription drugs–chloramphenicol, clozapine, nitrous oxide, procainamide, sulfonamides, thiazide diuretics. See Infantile genetic agranulocytosis.


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78650 Chest pain unsp V717 Observe susp Cardiovas dis 78659 Chest pain oth sp 78651 Precordial pain LOOK FOR: anemia, pancytopenia, aplastic anemia, dehydration, malnutrition, Agranulocytosis, thrombocytopenia, bleeding, obstruction, resp comp, aspiration, complex pneumonia, (gram-neg.
For example, clozapine can cause sedation or anticholinergic effects, as well as increased agranulocytosis and delirium in older patients.
The first of these, clozapine (Clozaril[R]), has been shown to be more effective than other antipsychotics, although the possibility of severe side effects -- in particular, a condition called agranulocytosis (loss of the white blood cells that fight infection) -- requires that patients be monitored with blood tests every one or two weeks.
 
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