Translocation (1;19)(q21;q13.3) is a recurrent reciprocal translocation in meningioma |
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Authors: | Sawyer Jeffrey R Thomas Edward L Al-Mefty Ossama |
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Affiliation: | Department of Pathology, University of Arkansas for Medical Sciences, 4301 W. Markham, Little Rock, AR 72205, USA. sawyerjr@uams.edu |
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Abstract: | Benign meningiomas are characterized by a normal karyotype or loss of all or part of chromosome 22. Histologically higher grade tumors are typically characterized by a pattern of increasing chromosome loss and instability. This characteristic pattern of unbalanced chromosome aberrations is punctuated in the literature by several intriguing reports of a reciprocal t(1;19)(q21;q13.3) as the sole cytogenetic aberration. We report a third case showing the t(1;19)(q21;q13.3) with additional unstable secondary aberrations of a dic(18;22)(p11;p11) and telomeric fusions. |
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