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Previous issue date: 2006-12-31 / We report here on a girl who, despite her 45,X/46,X,der(Y) karyotype, showed no signs of virilization or physical signs of the Ullrich-Turner syndrome [UTS], except for a reduced growth rate. After prophylactic gonadectomy due to the risk of developing gonadoblastoma, the gonads and peripheral blood samples were analyzed by fluorescence in situ hybridization [FISH] and polymerase chain reaction [PCR] to detect Y-specific sequences. These analyses allowed us to characterize the Yderived chromosome as being an isodicentric Yp chromosome [idic(Yp)] and showed a pronounced difference in the distribution of the 45,X/46,X,idic(Yp) mosaicism between the two analyzed tissues. It was shown that, although in peripheral blood almost all cells (97.5%) belonged to the idic(Yp) line with a duplicated SRY gene, this did not determine any degree of male sexual differentiation in the patient, as in the gonads the predominant cell line was 45,X (60%). / TEDE / BV UNIFESP: Teses e dissertações
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.unifesp.br:11600/9326 |
| Date | 31 December 2006 |
| Creators | Guedes, Alexis Dourado [UNIFESP] |
| Contributors | Universidade Federal de São Paulo (UNIFESP), Verreschi, Ieda Therezinha do Nascimento [UNIFESP] |
| Publisher | Universidade Federal de São Paulo (UNIFESP) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | 46 p. |
| Source | reponame:Repositório Institucional da UNIFESP, instname:Universidade Federal de São Paulo, instacron:UNIFESP |
| Rights | info:eu-repo/semantics/openAccess |
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