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1.
Article Dans Anglais | IMSEAR | ID: sea-156336

Résumé

Background. We prospectively studied the prevalence, type and causes of anaemia in newly diagnosed patients with lymphoid malignancies. Methods. Between January 2007 and June 2008, a total of 316 newly diagnosed, consecutive patients (aged 15 years or above) of Hodgkin lymphoma, non-Hodgkin lymphoma and chronic lymphocytic leukaemia with anaemia (haemoglobin <11 g/dl), were analysed to determine the prevalence and a subgroup of 46 patients was analysed for the cause of anaemia. Results. Hodgkin lymphoma, non-Hodgkin lymphoma and chronic lymphocytic leukaemia were the diagnoses in 81 (25.8%), 203 (64.7%) and 30 (9.6%) patients, respectively. Anaemia was present in 134 patients (42.4%). Anaemia of chronic disease was present in 33/46 (71.7%) and iron deficiency in 18/46 (39.1%) patients. Vitamin B12 and/or folate deficiency was detected in 10/46 (21.7%) patients (B12 deficiency alone in 7, folate deficiency alone in 1 and combined B12 and folate deficiency in 2). Autoimmune haemolytic anaemia was detected in 5/46 (10.9%) although direct Coombs test was positive in 17/46 (37%) patients. Among patients with Hodgkin lymphoma and non-Hodgkin lymphoma, anaemia due to bone marrow involvement was present in 16/40 (40%). In most patients with bone marrow involvement, anaemia was due to other causes. In only 3 patients, anaemia was attributable to bone marrow involvement alone. Anaemia was multifactorial in 18/46 (39.1%) patients. Nutritional deficiency alone or in combination was present in 22/46 (47.8%) patients. Conclusion. Anaemia is common in lymphoid malignancies at initial presentation. Besides managing anaemia of chronic disease and bone marrow involvement, nutritional and autoimmune causes should be ruled out.


Sujets)
Adolescent , Adulte , Anémie/épidémiologie , Anémie/étiologie , Anémie hémolytique auto-immune/épidémiologie , Anémie hémolytique auto-immune/étiologie , Anémie par carence en fer/épidémiologie , Moelle osseuse/anatomopathologie , Femelle , Carence en acide folique/complications , Maladie de Hodgkin/complications , Humains , Leucémie chronique lymphocytaire à cellules B/complications , Lymphome malin non hodgkinien/complications , Mâle , Adulte d'âge moyen , Prévalence , Études prospectives , Carence en vitamine B12/complications , Jeune adulte
3.
Neurol India ; 2006 Dec; 54(4): 399-401
Article Dans Anglais | IMSEAR | ID: sea-121128

Résumé

BACKGROUND: Monomelic amyotrophy (MMA) is a benign motor neuron disorder, which particularly affects young people and the etiology is still unknown. Gangliosides are located on the outer surface of motor neurons. Anti-GM1 antibodies have been found to be elevated in multi-focal motor neuropathy with conduction block and other neurological diseases, which may have therapeutic implication. AIM: To evaluate IgM anti-GM1 antibody titers in patients of monomelic amyotrophy. SETTING AND DESIGN: prospective controlled study. MATERIALS AND METHODS: Forty-six clinically and electrophysiologically diagnosed cases of MMA were assessed for IgM anti-GM1 antibody titers by enzyme-linked immunosorbent assay (ELISA) method and compared with titers in healthy controls, cases of amyotrophic lateral sclerosis (ALS) and acute inflammatory demyelinating polyneuropathy (AIDP). Titer of 800 units was taken as upper limit of normal (Buhlmann Laboratories AG, Switzerland). STATISTICAL ANALYSIS USED: one-way ANOVA. RESULTS: The mean age of 46 patients with MMA was 24.5 (+/- 7.3) years, with male female ratio of 44:2. The mean age of 19 healthy controls was 24.1 (+/- 3) years with male: female ratio of 18:1. Five (26%) individuals in the healthy control group, 22 (48%) patients of MMA, four (30%) of ALS and five (50%) of AIDP had high titers of IgM anti-GM1 antibody (P> 0.05). CONCLUSIONS: Although larger number of patients with MMA had higher IgM anti-GM1 antibody titers, the difference was not statistically significant from titers of healthy individuals and of patients in the ALS and AIDP group.


Sujets)
Adulte , Sclérose latérale amyotrophique/immunologie , Anticorps/analyse , Électrodiagnostic , Test ELISA , Femelle , Gangliosidose à GM1/immunologie , Syndrome de Guillain-Barré/immunologie , Humains , Immunoglobuline M/analyse , Mâle , Maladies du motoneurone/immunologie , Études prospectives
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