Sindroame heterozomale cromozomale Flashcards

1
Q
  1. Care este incidenta in sindromul Turner?
A

95% din produsii de conceptie sunt avortati. Avem o lipsa partiala sau totala a cromozomului X

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2
Q
  1. Ce diagnostic folosim pentru Sindromul Turner?
A

Testul Bar al cromatinei X este negativ sau partial negativ in caz de mozaicism

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3
Q
  1. Care este semnul patognomotic pentru Sindromul Turner?
A

Pterigiu colic

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4
Q
  1. Ce modificari ale crmozomilor duc la malformatii congenitale , dar la disfunctie gonadica in cazul Sindromului Turner?
A

Lipsa bratului scurt al cromozomului duce la hipostatura si malformatii congenitale si lipsa bratului lung duce la disfunctii sexuale

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5
Q
  1. Se simptomatologie prezinta Sindromul Turner?
A

Pterigiu colic , usoara obezitate , limfedem congenital , statura mica

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6
Q
  1. Ce tulburari de dezvolatre si diferentiere sexuala avem in Sindromul Turner?
A

Hypogonadism

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7
Q
  1. Ce evolutie si prognostic avem in cazul Sindromului Turner?
A

HTA , diabet , malformatii cardiace

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8
Q
  1. Ce sindrom are fenotip asemanator cu Sindromul Turner si prin ce se deosebeste?
A

Noonan, doar ca acesta are tulburari cardiace mult mai grave

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9
Q
  1. Care este incidenta in trisomia X?
A

90%provine din nondisjunctie meiotica

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10
Q
  1. Ce diagnostic cytogenetic si etiopatogenic avem in trisomia X?
A

Testul Bar pozitiv

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11
Q
  1. Ce simptomatologie avem in trisomia X?
A

Infertilitate , inteligenta la limita inferioara

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12
Q
  1. Ce cauzeaza Sindromul Klinefelter?
A

Polisomii x sau y

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13
Q
  1. Ce incidenta si etiopatogenie avem in Sindromul Klinefelter?
A

60%provine din nondisjuntie meiotica

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14
Q
  1. Ce diagnostic cytogenetic folosim in Sindromul Klinefelter?
A

Testul Bar pozitiv

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15
Q
  1. Ce simptomatologie avem in Sindromul Klinefelter?
A

Hypogonadism , retard , inaltime mare

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16
Q
  1. Care este evolutia si prognosticul in in Sindromul Klinefelter?
A

Diabet zaharat , bronsita

17
Q
  1. Cu ce sindrom seamana Sindromul Klinefelter?
A

Kallman