PT - JOURNAL ARTICLE AU - Bigozzi, U AU - Simoni, G AU - Montali, E AU - Dalpra, L AU - Rossella, F AU - Piazzini, M AU - Borghi, A TI - 47,XXX chromosome constitution in a male. AID - 10.1136/jmg.17.1.62 DP - 1980 Feb 01 TA - Journal of Medical Genetics PG - 62--66 VI - 17 IP - 1 4099 - http://jmg.bmj.com/content/17/1/62.short 4100 - http://jmg.bmj.com/content/17/1/62.full SO - J Med Genet1980 Feb 01; 17 AB - An 18-year-old boy with a male phenotype was examined because of testicular hypoplasia. Chromosome analysis using Q- and R-banding techniques and BUdR treatment showed a 47,XXX karotype, in both lymphocytes and fibroblasts. Cytogenetic problems raised by this case are discussed in relation to data from previous published reports.