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自Lejeune(1959)首次发现先天愚型具第21号常染色体三体性以来,各国报道了很多与染色体畸变有关的精神发育不全的综合征。但有关F组染色体畸变所致精神发育不全的报道甚少。本文报告一例核型为47,XY,
Since Lejeune (1959) first discovered the first tachyzoites autosomal trisomy No. 21, many countries have reported a number of psychiatric syndromes associated with chromosomal aberrations. However, the F group chromosomal aberrations caused by hypoplasia are few reports. This article reports a case of karyotype 47, XY,