. . "Klasifikace dvoj\u010Dat a z\u00E1klady jejich ultrazvukov\u00E9 diagnostiky" . . "1210-7832" . "RIV/00216208:11120/04:00001443!RIV09-MSM-11120___" . . "6"^^ . "Classification of Twins and Principles of Their Prenatal Ultrasonographic Diagnostics"@en . . "Klasifikace dvoj\u010Dat a z\u00E1klady jejich ultrazvukov\u00E9 diagnostiky" . "570119" . . "P\u0159ehled v\u0161ech forem dvoj\u010Dat a mechanism\u016F zdvojen\u00ED. Typ studie: Systematick\u00E1 klasi kace r\u016Fzn\u00FDch pozorov\u00E1n\u00ED dvoj\u010Dat uveden\u00FDch v literatu\u0159e dopln\u011Bn\u00E1 vlastn\u00EDm pozorov\u00E1n\u00EDm p\u0159edn\u00EDho zdvojen\u00ED embrya ze 7. gesta\u010Dn\u00EDho t\u00FDdne. N\u00E1zev a s\u00EDdlo pracovi\u0161\u0165: \u00DAstav pro p\u00E9\u010Di o matku a d\u00EDt\u011B, Praha-Podol\u00ED, Gynekologicko-porodnick\u00E1 klinika 1. LF UK a VFN, Praha, \u00DAstav l\u00E9ka\u0159sk\u00E9 genetiky, LF Palack\u00E9ho univerzity, Olomouc, Institut UNICA, Brno. Metodika: Sebran\u00E9 p\u0159\u00EDpady z dom\u00E1c\u00EDho i zahrani\u010Dn\u00EDho p\u00EDsemnictv\u00ED. Patogenetick\u00E9 mechanismy jsou hodnoceny na z\u00E1klad\u011B anal\u00FDzy blastogeneze a ontogeneze lidsk\u00FDch embry\u00ED. Diagnostika zalo\u017Eena na ultrazvukov\u00FDch n\u00E1lezech. V\u00FDsledky: Uv\u00E1d\u00EDme rozbor mechanism\u016F vzniku a zvl\u00E1\u0161t\u011B je pozornost v\u011Bnov\u00E1na spojen\u00FDm dvoj\u010Dat\u016Fm a mo\u017Enostem jejich \u010Dasn\u00E9 ultrazvukov\u00E9 diagnostiky na konci prv\u00E9ho trimestru t\u011Bhotenstv\u00ED. Dvoj\u010Data perifern\u011B spojen\u00E1 maj\u00ED obvykle osm kon\u010Detin, dvoj\u010Data spojen\u00E1, \u010D\u00E1ste\u010Dn\u011B zdvojen\u00E1, vznikl\u00E1 zdvojen\u00EDm chordov\u00E9 plot\u00E9nky maj\u00ED v\u017Edy m\u00E9n\u011B ne\u017E osm kon\u010Detin. P\u0159edkl\u00E1d\u00E1me systematickou klasi ka" . "Classification of Twins and Principles of Their Prenatal Ultrasonographic Diagnostics"@en . . . "RIV/00216208:11120/04:00001443" . "\u0160antav\u00FD, J." . "\u010Cesk\u00E1 gynekologie" . . . "CZ - \u010Cesk\u00E1 republika" . . "P\u0159ehled v\u0161ech forem dvoj\u010Dat a mechanism\u016F zdvojen\u00ED. Typ studie: Systematick\u00E1 klasi kace r\u016Fzn\u00FDch pozorov\u00E1n\u00ED dvoj\u010Dat uveden\u00FDch v literatu\u0159e dopln\u011Bn\u00E1 vlastn\u00EDm pozorov\u00E1n\u00EDm p\u0159edn\u00EDho zdvojen\u00ED embrya ze 7. gesta\u010Dn\u00EDho t\u00FDdne. N\u00E1zev a s\u00EDdlo pracovi\u0161\u0165: \u00DAstav pro p\u00E9\u010Di o matku a d\u00EDt\u011B, Praha-Podol\u00ED, Gynekologicko-porodnick\u00E1 klinika 1. LF UK a VFN, Praha, \u00DAstav l\u00E9ka\u0159sk\u00E9 genetiky, LF Palack\u00E9ho univerzity, Olomouc, Institut UNICA, Brno. Metodika: Sebran\u00E9 p\u0159\u00EDpady z dom\u00E1c\u00EDho i zahrani\u010Dn\u00EDho p\u00EDsemnictv\u00ED. Patogenetick\u00E9 mechanismy jsou hodnoceny na z\u00E1klad\u011B anal\u00FDzy blastogeneze a ontogeneze lidsk\u00FDch embry\u00ED. Diagnostika zalo\u017Eena na ultrazvukov\u00FDch n\u00E1lezech. V\u00FDsledky: Uv\u00E1d\u00EDme rozbor mechanism\u016F vzniku a zvl\u00E1\u0161t\u011B je pozornost v\u011Bnov\u00E1na spojen\u00FDm dvoj\u010Dat\u016Fm a mo\u017Enostem jejich \u010Dasn\u00E9 ultrazvukov\u00E9 diagnostiky na konci prv\u00E9ho trimestru t\u011Bhotenstv\u00ED. Dvoj\u010Data perifern\u011B spojen\u00E1 maj\u00ED obvykle osm kon\u010Detin, dvoj\u010Data spojen\u00E1, \u010D\u00E1ste\u010Dn\u011B zdvojen\u00E1, vznikl\u00E1 zdvojen\u00EDm chordov\u00E9 plot\u00E9nky maj\u00ED v\u017Edy m\u00E9n\u011B ne\u017E osm kon\u010Detin. P\u0159edkl\u00E1d\u00E1me systematickou klasi ka"@cs . . . "Ku\u010Dera, Eduard" . "S, Z(MZ0L340000001)" . . "1" . "2"^^ . "69" . . "[56137C47B8A4]" . "Systematic classi cation of all forms of twins and mechanisms of twinning. Design: Review of published cases. Morphogenesis based on personal experience related to human blastogenesis including observation of anterior twinning in two early human embryos. Setting: Institute for the Care of Mother and Child, Prague, Department of Gynecology and Obstetrics, 1st Medical Faculty, Charles University, Prague, Department of Medical Genetics, Medical Faculty, Palack\u00FD University Olomouc, Institut Unica, Brno. Methods: Analysis of cases described in literature completed by observed cases. Results: Classi cation of twins. A) Separated twins: 1. dichorial a) monozygotic (very rare), b) dizygotic (most frequent); 2. monochorial (always monozygotic) a) diamnial, b) monoamnial. B) Conjoined twins (always monozygotic) 1. isopagi (equal conjoined twins) a) originating from peripheral fusions of two germ discs, b) originating from duplications of axial structures; 2. heteropagi (unequal conjoined twins): autosit (main t"@en . "Krofta, Ladislav" . "Klasifikace dvoj\u010Dat a z\u00E1klady jejich ultrazvukov\u00E9 diagnostiky"@cs . . . "Jir\u00E1sek, Jan Evangelista" . "separated twins; conjoined twins; unequal twins; classi cation; prenatal ultrasonographic diagnostics"@en . "11120" . . . "6"^^ . "Mal\u00FD, Z." . "Klasifikace dvoj\u010Dat a z\u00E1klady jejich ultrazvukov\u00E9 diagnostiky"@cs . "Calda, P." .