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15 results on '"Ma ES"'

1. Cough mixture abuse as a novel cause of folate deficiency: a prospective, community-based, controlled study.

Author

Au WY, Tsang SK, Cheung BK, Siu TS, Ma ES, and Tam S

Subjects
Adult, Case-Control Studies, Data Collection, Dental Caries chemically induced, Erythrocyte Indices, Female, Folic Acid Deficiency blood, Folic Acid Deficiency epidemiology, Hemoglobins analysis, Hong Kong epidemiology, Humans, Incidence, Male, Mass Screening, Nervous System Diseases chemically induced, Platelet Count, Prospective Studies, Substance-Related Disorders blood, Substance-Related Disorders epidemiology, Vitamin B 12 Deficiency blood, Vitamin B 12 Deficiency chemically induced, Vitamin B 12 Deficiency epidemiology, Antitussive Agents adverse effects, Codeine adverse effects, Dextromethorphan adverse effects, Folic Acid Deficiency chemically induced, Substance-Related Disorders complications
Abstract

Cough mixture abuse has been reported to cause severe folate deficiency and neurological defects. We carried out a prospective case-controlled survey to confirm this association and define the incidence and severity of the problem. A total of 57 cough mixture abusers and 47 other substance abusers (controls) were studied. When compared with controls, cough mixture abusers had a high incidence of low folate levels that could only be detected by screening.

Published
2007
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2. Hematologic and genetic characterization of an MYH9-related disorder in a Chinese family.

Author

Ma ES, Wong CL, Shek TW, and Hui SP

Subjects
China, Family Health, Humans, Molecular Motor Proteins genetics, Mutation, Missense, Myosin Heavy Chains genetics, Thrombocytopenia genetics
Abstract

We describe a Chinese family with an MYH9-related disorder in which a novel mutation V1516L at exon 31 of the MYH9 gene was identified. To the best of our knowledge, this is the first reported Chinese family with MYH9 mutation and supports the pan-ethnic nature of the disorder.

Published
2006

3. Leukemia or leukemoid, Down syndrome or not?

Author

Ho MH, Ha SY, Chan GC, and Ma ES

Subjects
Acute Disease, Bone Marrow pathology, Chromosomes, Human, Pair 21, Diagnosis, Differential, Female, Humans, In Situ Hybridization, Fluorescence, Infant, Newborn, Leukemia, Myeloid genetics, Leukemoid Reaction genetics, Mosaicism, Remission, Spontaneous, Clone Cells pathology, Down Syndrome diagnosis, Infant, Premature, Leukemia, Myeloid diagnosis, Leukemoid Reaction diagnosis, Myelopoiesis genetics
Published
2004

4. Granulocytic sarcoma of the lacrimal gland.

Author

Hon C, Ma ES, and Au WY

Subjects
Adult, Combined Modality Therapy, Humans, Lacrimal Apparatus Diseases therapy, Leukemia, Myeloid, Acute drug therapy, Leukemia, Myeloid, Acute genetics, Male, Recurrence, Remission Induction, Sarcoma, Myeloid therapy, Lacrimal Apparatus Diseases pathology, Leukemia, Myeloid, Acute pathology, Sarcoma, Myeloid pathology
Published
2004

6. Risk factors for hyperbilirubinemia and gallstones in Chinese patients with b thalassemia syndrome.

Author

Au WY, Cheung WC, Chan GC, Ha SY, Khong PL, and Ma ES

Subjects
Asian People genetics, China epidemiology, Cholelithiasis epidemiology, Cholelithiasis genetics, Genotype, Gilbert Disease epidemiology, Gilbert Disease genetics, Humans, Monosaccharide Transport Proteins genetics, Risk Factors, beta-Thalassemia epidemiology, beta-Thalassemia genetics, Cholelithiasis etiology, Gilbert Disease complications, beta-Thalassemia complications
Published
2003

9. Intravenous pentamidine induced megaloblastic anaemia.

Author

Au WY, Ma ES, and Kwong YL

Subjects
Adult, Antifungal Agents administration & dosage, Antifungal Agents pharmacology, Bone Marrow pathology, Bone Marrow Transplantation, Female, Humans, Infusions, Intravenous, Pentamidine administration & dosage, Pentamidine pharmacology, Pneumonia, Pneumocystis drug therapy, Precursor Cell Lymphoblastic Leukemia-Lymphoma therapy, Tetrahydrofolate Dehydrogenase drug effects, Anemia, Megaloblastic chemically induced, Antifungal Agents adverse effects, Pentamidine adverse effects
Published
2002

11. Acute myeloid leukemia precipitated by dengue virus infection in a patient with hemoglobin H disease.

Author

Au WY, Ma ES, and Kwong YL

Subjects
Acute Disease, Adult, Bone Marrow pathology, Cell Transformation, Neoplastic, China, Humans, Leukemia, Myeloid virology, Male, Dengue complications, Leukemia, Myeloid etiology, alpha-Thalassemia complications
Abstract

We report a unique case of refractory acute myeloid leukemia (AML) precipitated by dengue virus induced marrow aplasia in a Chinese patient with hemoglobin (Hb) H disease. The quick temporal sequence of the three marrow abnormalities: hereditary hemoglobinopathy, reactive viral induced marrow change and malignant neoplastic process is highly unusual. Neither HbH disease nor viral induced marrow aplasia has known associations with AML. We propose that this unique case of AML may be caused by cytokine hyperstimulation in a stressed marrow.

Published
2001

13. Diagnosis of concurrent hemoglobin H disease and heterozygous beta-thalassemia.

Author

Ma ES, Chan AY, Au WY, Yeung YM, and Chan LC

Subjects
Adult, Anemia, Hypochromic etiology, DNA Mutational Analysis, Female, Globins genetics, Heterozygote, Humans, Male, Mutation, Pregnancy, Pregnancy Complications, Hematologic, alpha-Thalassemia complications, alpha-Thalassemia genetics, beta-Thalassemia complications, beta-Thalassemia genetics, alpha-Thalassemia diagnosis, beta-Thalassemia diagnosis
Abstract

Definitive diagnosis of concurrent hemoglobin (Hb) H disease and heterozygous beta-thalassemia cannot be made from Hb analysis alone, but necessitates genotype analysis and family study. Interactions between alpha- and beta-thalassemia must be considered when investigating moderate to severe hypochromic microcytic anemia of uncertain cause in adult patients from areas with a high prevalence of globin gene mutations.

Published
2001

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