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Ring Y chromosome: 45,X/46,X,r(Y) chromosome mosaicism in a phenotypically normal male with azoospermia


Chromosome analysis of lymphocytes in a phenotypically normal male with azoospermia showed a mosaicism 45,X/46,X,r(Y). Seven other cases from the literature are discussed.

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Maeda, T., Ohno, M., Ishibashi, A. et al. Ring Y chromosome: 45,X/46,X,r(Y) chromosome mosaicism in a phenotypically normal male with azoospermia. Hum Genet 34, 99–102 (1976).

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  • Internal Medicine
  • Metabolic Disease
  • Chromosome Analysis
  • Azoospermia
  • Normal Male