URETERELE Flashcards

1
Q

Distanta ureterelor in interiorul peretului vezicii urinare?

A

1,5 cm

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2
Q

Impartirea ureterelor in vezica urinara? (2jumatati)

A

O jumatate intramurala
O jumatate submucoasa

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3
Q

Ce ancoreaza si sustine teaca lui Waldeyer (tesut fibromuscular special)?

A

Portiunea inferioara a ureterului

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4
Q

De ce depinde fluxul unidirectional al vezicii?

A

Musculara ureterala
Baza veciii urinare
Traseul ureteral prin peretele vezicii

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5
Q

Ce model are musculara ureterala in portiunile superioare?

A

Helicoidal neregulat

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6
Q

Cum sunt dispuse fibrele musculare in apropierea vezicii urinare si in portiunea intramuarala/

A

Paralele cu lumenul

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7
Q

Ce determina deschiderea si scurtarea lumenului ureteral intramural?

A

Aranjamentul longitudinal al fibrelor

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8
Q

Ce cauze care implica direct ureterele pot cauza obstructie?

A

Litiaza
Mase extrinseci (tumori colon)
Neoplazii ginecologice
Anevrisme vasculare
Boala inflamatorie colon
Fibroza retroperitoneala

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9
Q

Investigatii excelente pentru obstructie ureterala?

A

Ecografie
UIV

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10
Q

Care este managementul initial in cauze de obstructie maligne non-urologice?

A

Stentarea ureterului

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11
Q

Cum se trateaza atunci cand avem hidronefroza bilaterala cu hidroureter bilateral? (secundar altor boli)

A

Cateterizare vezica urinara

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12
Q

In cadrul caror interventii apar de obicei leziunile iatrogene ale ureterelor?

A

Vasculare
Ginecologice

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13
Q

Ce patologii se regasesc in imediata apropiere a treimii distale a ureterelor?

A

Diverticulita
Anevrisme aortice sau de artera iliaca
Tumori ovariene sau uterine

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14
Q

Ce se practica preoperator cand exista risc de lezare a ureterelor pentru a putea fi identificate mai usor/

A

Stentare preoperatorie a ureterelor

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15
Q

Cum poate fi adesea reparata o leziune ureterala?

A

Anastomoza primara termino-terminala si stentare

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16
Q

Care este interventia de electie cand este lezat ureterul distal?

A

Reimplantarea ureterala

17
Q

Tratament atunci cand ureterul este lezat intrun cap chirurgical contaminat????

A

Derivatia urinara proximala cu nefrostomie percutanata sau nefrostomie deschisa

18
Q

Tratament daca ureterul este lezat in timpul repararii unui anevrism aorti intra-abdominal/

A

Rezolvarea leziunii ureterale + acoperirea cu epiploon