TY - JOUR T1 - XO/XY mosaicism in phenotypic males. JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 891 LP - 892 DO - 10.1136/adc.65.8.891 VL - 65 IS - 8 AU - K Walker AU - A J Gunn AU - P D Gluckman Y1 - 1990/08/01 UR - http://adc.bmj.com/content/65/8/891.abstract N2 - Eight cases of 45 XO/46 XY mosaicism are described: four were phenotypic males. Karyotyping should be performed more frequently in short boys as growth hormone treatment and testicular biopsy, to screen for carcinoma in situ, are likely to be beneficial. ER -