Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027947 (neutropenia)
 17,527 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 20-year-old female from the Philippines developed anemia and granulocytopenia. With androgen therapy, her anemia improved but she continued to show a pattern of fluctuating neutropenia consistent with human cyclic neutropenia: Blood neutrophil oscillation was regular with a periodicity of 21 days. She developed recurrent pharyngitis and apthous stomatitis but there was no cycling of other blood elements. Bone marrow aspiration and biopsy showed normal developing myeloid cells, a clonal chromosomal abnormality, and myelofibrosis. During the fourth documented cycle, blasts appeared and complete lymphoblastic transformation ensued. Blast cells were CALLA positive, Ia positive, and contained intranuclear TdT; they were negative for E, EAC, and EA rosettes. She was treated for non-T, non-B CALLA-positive ALL and within 6 weeks was in a remission without evidence of cycling neutrophil counts. This young woman's case suggests that cyclic neutropenia may represent a previously unrecognized premalignant state associated with acute lymphoblastic leukemia.
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PMID:Cyclic neutropenia as a premalignant manifestation of acute lymphoblastic leukemia. 345 3

Peripheral blood (PB) neutrophils and lymphocytes from 14 patients with immune neutropenia were studied using the technique of rosette-formation in 2 neutrophil fractions with diverse specific density. All the neutropenia cases were divided into 2 groups by phagocytosis completeness in all the PB neutrophil types studied. Patients of group 1 had impaired phagocytosis D-RFN in elevated levels of these cells, autorosette-forming lymphocytes and neutrophils. Patients of group 2 had defective phagocytosis D-RFN and EAC-RFN in combination with extremely high contents of autorosette-forming including early lymphocytes. The above complex of techniques may be used for prediction of the duration and severity of neutropenia which is important for further selective studies into the causes of neutropenia and effective treatment.
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PMID:[Subpopulations of peripheral blood neutrophils and lymphocytes in children with immune neutropenia]. 875 56