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Sole abnormalities of chromosome 7 in myeloid malignancies: spectrum, histopathologic correlates, and prognostic implications. 2012

Fareeda Taher Nazer Hussain, and Edward P Nguyen, and Sania Raza, and Ryan Knudson, and Animesh Pardanani, and Curtis A Hanson, and Daniel Van Dyke, and Ayalew Tefferi
Mayo Medical School, Mayo Clinic and Mayo Clinic College of Medicine, Rochester, Minnesota, USA.

Among 6,565 consecutive abnormal cytogenetic reports at our institution, 3,192 (49%) constituted sole abnormalities, of which 230 (7%) involved chromosome 7: monosomy 7 (n = 98), 7q- (n = 51), der(1;7)(q10;p10) (n = 44), balanced translocations (n = 15), ring 7 (n = 13), and 7p- (n = 9). The most frequent histopathologic correlates were myelodysplastic syndromes (MDS; 28%), acute myeloid leukemia (AML; 17%), secondary or therapy-related MDS/AML (13%), primary myelofibrosis (PMF; 7%), and chronic myelomonocytic leukemia (6%). Monosomy 7 was the most frequent in each one of these disease categories except PMF where 7q- was more frequent. In primary MDS, patients with der(1;7)(q10;p10) (n = 13), compared to those with monosomy 7 (n = 30) or 7q- (n = 15), were less likely (P = 0.04) to display excess blasts or multilineage dysplasia but overall and leukemia-free survival adjusted for these variables revealed no significant difference between the three groups (P = 0.57 and 0.81, respectively). The current study does not prognostically distinguish monosomy 7 from 7q- or der(1;7), in MDS.

UI MeSH Term Description Entries
D007951 Leukemia, Myeloid Form of leukemia characterized by an uncontrolled proliferation of the myeloid lineage and their precursors (MYELOID PROGENITOR CELLS) in the bone marrow and other sites. Granulocytic Leukemia,Leukemia, Granulocytic,Leukemia, Myelocytic,Leukemia, Myelogenous,Myelocytic Leukemia,Myelogenous Leukemia,Myeloid Leukemia,Leukemia, Monocytic, Chronic,Monocytic Leukemia, Chronic,Chronic Monocytic Leukemia,Chronic Monocytic Leukemias,Granulocytic Leukemias,Leukemia, Chronic Monocytic,Leukemias, Chronic Monocytic,Leukemias, Granulocytic,Leukemias, Myelocytic,Leukemias, Myelogenous,Leukemias, Myeloid,Monocytic Leukemias, Chronic,Myelocytic Leukemias,Myelogenous Leukemias,Myeloid Leukemias
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009190 Myelodysplastic Syndromes Clonal hematopoietic stem cell disorders characterized by dysplasia in one or more hematopoietic cell lineages. They predominantly affect patients over 60, are considered preleukemic conditions, and have high probability of transformation into ACUTE MYELOID LEUKEMIA. Dysmyelopoietic Syndromes,Hematopoetic Myelodysplasia,Dysmyelopoietic Syndrome,Hematopoetic Myelodysplasias,Myelodysplasia, Hematopoetic,Myelodysplasias, Hematopoetic,Myelodysplastic Syndrome,Syndrome, Dysmyelopoietic,Syndrome, Myelodysplastic,Syndromes, Dysmyelopoietic,Syndromes, Myelodysplastic
D009196 Myeloproliferative Disorders Conditions which cause proliferation of hemopoietically active tissue or of tissue which has embryonic hemopoietic potential. They all involve dysregulation of multipotent MYELOID PROGENITOR CELLS, most often caused by a mutation in the JAK2 PROTEIN TYROSINE KINASE. Disorder, Myeloproliferative,Disorders, Myeloproliferative,Myeloproliferative Disorder
D002869 Chromosome Aberrations Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS. Autosome Abnormalities,Cytogenetic Aberrations,Abnormalities, Autosome,Abnormalities, Chromosomal,Abnormalities, Chromosome,Chromosomal Aberrations,Chromosome Abnormalities,Cytogenetic Abnormalities,Aberration, Chromosomal,Aberration, Chromosome,Aberration, Cytogenetic,Aberrations, Chromosomal,Aberrations, Chromosome,Aberrations, Cytogenetic,Abnormalities, Cytogenetic,Abnormality, Autosome,Abnormality, Chromosomal,Abnormality, Chromosome,Abnormality, Cytogenetic,Autosome Abnormality,Chromosomal Aberration,Chromosomal Abnormalities,Chromosomal Abnormality,Chromosome Aberration,Chromosome Abnormality,Cytogenetic Aberration,Cytogenetic Abnormality
D002897 Chromosomes, Human, Pair 7 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 7
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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