Figure 3From: 46,XX testicular disorder of sexual development with SRY-negative caused by some unidentified mechanisms: a case report and review of the literature FISH was used to analysis of metaphase chromosomes of a second case using the LSI SRY (orange) / CEP X (green) probes. FISH showed the absence of the SRY gene in our patient, while there were two green signals of the X chromosome (white arrows).Back to article page