Summary
A three-year-old boy with partial distal 12q trisomy, 46,XY, der(9),t(9;12)(q34.3;q24.31)mat, is described. To our best knowledge, this is the second case in Japan. He has an arachnoid cyst, which has not yet been described in the literature.
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Masuno, M., Fukushima, Y., Sugio, Y. et al. Partial distal 12q trisomy with arachnoid cyst. Jap J Human Genet 32, 39–43 (1987). https://doi.org/10.1007/BF01876526
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DOI: https://doi.org/10.1007/BF01876526
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