University of Baghdad/ College of Medicine 2022-2023 Intraoperative Appearance Quiz
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Questions and Answers

Which type of renal duplication anomaly is more frequently associated with symptoms, impaired function, or both?

  • Complete duplication affecting the lower renal pole (correct)
  • Renal dysplasia
  • Incomplete duplication
  • Complete duplication affecting the upper renal pole

What is a common feature observed in all forms of complete duplication according to the provided text?

  • Pyelopyelostomy
  • Renal dysplasia of the upper or lower pole (correct)
  • Nephrectomy
  • Endoscopic ureterocoele incision

Which surgical intervention involves excision and reimplantation in the context of renal anomalies?

  • Ureterocoele excision and reimplantation (correct)
  • Nephrectomy
  • Pyelopyelostomy
  • Upper pole heminephrectomy

What is the embryological basis for dividing complete duplication anomalies according to the text?

<p>Affecting the upper renal pole (A)</p> Signup and view all the answers

Which type of renal anomaly is relatively common and often of little or no clinical significance?

<p>Incomplete duplication (C)</p> Signup and view all the answers

In the context of renal anomalies, what does the term 'vesicoureteric reflux' primarily affect?

<p>Lower renal pole (C)</p> Signup and view all the answers

What type of duplication anomalies are often of clinical significance in terms of symptoms, renal function, or both?

<p>Complete duplications (D)</p> Signup and view all the answers

In incomplete duplication of the upper renal tract, what leads to the variable degree of this anomaly?

<p>Single ureteric bud with bifurcation (A)</p> Signup and view all the answers

According to Meyer–Weigart law, what anatomical configuration commonly predisposes to vesicoureteric reflux to the lower pole of the kidney?

<p>Absorption of an accessory ureteric bud into the urogenital sinus (B)</p> Signup and view all the answers

What is the relationship between the ectopia degree of the ureteric bud and its likelihood to penetrate abnormal metanephric tissue with resultant dysplasia?

<p>Higher ectopia degree leads to higher likelihood (B)</p> Signup and view all the answers

What is the outcome when two ureteric buds arise separately from the mesonephric duct?

<p>Complete duplication (A)</p> Signup and view all the answers

Which structure arises from the mesonephric duct and can drain into the bladder, urethra, or urogenital sinus?

<p>Accessory bud (D)</p> Signup and view all the answers

What is the gender distribution like for cases of duplex-system ureterocoele?

<p>80% female, 20% male (D)</p> Signup and view all the answers

What happens when an accessory ureteric bud connects with the lower renal pole according to Meyer–Weigart law?

<p>The accessory bud is absorbed into the urogenital sinus (A)</p> Signup and view all the answers

How many children with anomalies like duplex-system ureterocoele are currently identified by prenatal ultrasonography?

<p>60% (D)</p> Signup and view all the answers

What is a common clinical presentation associated with duplex-system ureterocoele?

<p>Hematuria (B)</p> Signup and view all the answers

Which condition is associated with the prolapse of the ureterocoele into the urethra?

<p>Bladder outflow obstruction (A)</p> Signup and view all the answers

In a duplicated system, where can an accessory bud draining the upper renal pole come to enter the urinary tract in an ectopic location?

<p>Distally into the bladder (B)</p> Signup and view all the answers

What is the primary focus of the Meyer-Weigart law in the context of renal anomalies?

<p>Association with vesicoureteric reflux (A)</p> Signup and view all the answers

In the context of IVP with a duplicated system, what is a plausible outcome when both ureteric buds connect to the same calyx?

<p>Renal dysplasia (D)</p> Signup and view all the answers

What is commonly observed as an associated pathology in cases of complete duplication?

<p>Renal dysplasia (A)</p> Signup and view all the answers

Which feature is often a clinical presentation of duplex-system ureterocoele?

<p>Flank pain (D)</p> Signup and view all the answers

What consequence can result from the prolapse of a ureterocoele?

<p>Hydronephrosis (C)</p> Signup and view all the answers

What is a significant outcome related to upper pole heminephrectomy in cases of duplication anomalies?

<p>Impaired renal function (A)</p> Signup and view all the answers

What is the primary concept behind Meyer–Weigart law?

<p>Correlates the degree of ureteric bud ectopia with abnormal metanephric tissue penetration (A)</p> Signup and view all the answers

In the context of intravenous urography (IVU) with a duplicated system, what is a common radiological finding?

<p>Crossed ectopia with fusion (A)</p> Signup and view all the answers

What type of pathology is commonly associated with duplication anomalies?

<p>Hydronephrosis (A)</p> Signup and view all the answers

Which of the following is a common presentation associated with duplex-system ureterocoele?

<p>Hematuria (A)</p> Signup and view all the answers

What condition is characterized by the prolapse of the ureterocoele into the urethra?

<p>Vesicoureteric reflux (D)</p> Signup and view all the answers

According to Meyer–Weigart law, what anatomical configuration commonly predisposes to vesicoureteric reflux?

<p>Accessory bud draining the upper renal pole (B)</p> Signup and view all the answers

'Vesicoureteric reflux primarily affects which structure?'

<p>'Bladder' (A)</p> Signup and view all the answers

In the context of duplicated system, what is a common radiological sign indicative of accessory renal tissue?

<p>'Double collecting system with separate ureters' (B)</p> Signup and view all the answers

What is the consequence of an accessory ureteric bud connecting with the lower renal pole according to Meyer–Weigart law?

<p>It results in hydronephrosis of the lower pole of the kidney. (D)</p> Signup and view all the answers

In a case where a ureteric orifice opens in a superior and lateral position in relation to the trigone, what anatomical predisposition does this configuration commonly lead to?

<p>Predisposition to vesicoureteric reflux (C)</p> Signup and view all the answers

What is a typical feature of a prolapsed ureterocoele into the urethra?

<p>Contributing to bladder outlet obstruction (A)</p> Signup and view all the answers

How does the degree of ectopia of a ureteric bud relate to the likelihood of penetrating abnormal metanephric tissue?

<p>Increased ectopia increases likelihood of penetration (A)</p> Signup and view all the answers

What kind of pathology is commonly associated with an accessory ureteric bud connecting with the lower renal pole?

<p>Hydronephrosis of the lower pole (D)</p> Signup and view all the answers

In terms of urinary tract anatomy, what condition is likely to be caused by a duplicated system with an accessory bud draining the upper renal pole in an ectopic location?

<p>Vesicoureteric reflux (D)</p> Signup and view all the answers

What is an expected outcome when a ureteric bud undergoes bifurcation during its development?

<p>Varied degrees of incomplete duplication of the upper renal tract (A)</p> Signup and view all the answers

How does an accessory ureteric bud arising from a caudal position on the mesonephric duct affect the ureteric orifice location?

<p>It opens in a superior and lateral position relative to the trigone. (B)</p> Signup and view all the answers

Which anatomical configuration commonly predisposes to vesicoureteric reflux to the lower pole of the kidney?

<p>Accessory ureteric bud connecting with the lower renal pole (D)</p> Signup and view all the answers

In the context of IVP with a duplicated system, what is a common feature observed concerning ureterocoeles in males?

<p>Termination of ectopic ureters always suprasphincteric (A)</p> Signup and view all the answers

Which condition is associated with the prolapse of the ureterocoele into the urethra?

<p>Urethral prolapse of the ureterocoele (C)</p> Signup and view all the answers

In males, where does the termination of ectopic ureters always occur?

<p>Suprasphincteric (D)</p> Signup and view all the answers

What is a common clinical presentation associated with duplex-system ureterocoele in females?

<p>Urethral prolapse of the ureterocoele (A)</p> Signup and view all the answers

Which feature is characteristic of single-system ureterocoeles in boys?

<p>Always lying entirely within the bladder (A)</p> Signup and view all the answers

What indicates a need for surgical intervention in cases of duplicated system ureterocoeles according to the provided text?

<p>Presence of symptoms (A)</p> Signup and view all the answers

What is a potential complication associated with an accessory bud draining the upper renal pole in a distally ectopic location?

<p>Obstruction of the ipsilateral lower pole ureter (D)</p> Signup and view all the answers

What is a common characteristic of duplex-system ureterocoele cases?

<p>Bilateral in most cases (A)</p> Signup and view all the answers

In a case of IVP with duplicated system, what is a common clinical presentation?

<p>Urinary infection (C)</p> Signup and view all the answers

In the context of Meyer-Weigart law, what predisposes to vesicoureteric reflux to the ipsilateral lower pole of the kidney?

<p>Coexisting vesicoureteric reflux to the ipsilateral lower pole (C)</p> Signup and view all the answers

What can be an outcome when an accessory bud from the mesonephric duct enters the urinary tract in an ectopic location?

<p>Bladder outflow obstruction (B)</p> Signup and view all the answers

What embryological event leads to the presence of a ureterocoele that drains the upper pole?

<p>Accessory bud arising from mesonephric duct (C)</p> Signup and view all the answers

Which condition is NOT commonly associated with duplex-system ureterocoele according to the text?

<p>Hematuria (A)</p> Signup and view all the answers

What anatomical configuration can lead to contralateral vesicoureteric reflux according to Meyer-Weigart law?

<p>%10 bilateral incidence rate (A)</p> Signup and view all the answers

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