Scrotal Sonography Evaluation Quiz
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Questions and Answers

What structure is located at the 9 o'clock position in a transverse image of the testis?

  • Mediastinum testis (correct)
  • Scrotal ligament
  • Corpus cavernosum
  • Rete testis
  • In a sagittal scan, which part of the testis is highlighted as the superior posterior aspect?

  • Rete testis (correct)
  • Scrotal ligament
  • Cavernosal arteries
  • Mediastinum testis
  • What is the purpose of scrotal sonography in the evaluation of acute scrotal pain?

  • To assess for testicular reflux
  • To visualize the prostate gland
  • To evaluate for testicular torsion (correct)
  • To determine blood flow to the penis
  • What does the normal appearance of the corpus cavernosum indicate in a sagittal scan?

    <p>Homogeneous echogenicity</p> Signup and view all the answers

    Which of the following is NOT a common indication for scrotal sonography?

    <p>Evaluation of penile trauma</p> Signup and view all the answers

    Which imaging technique is suggested for the follow-up of post-surgical procedures like vasectomy?

    <p>Ultrasound</p> Signup and view all the answers

    What structure is denoted by E in the longitudinal section image of the epididymis?

    <p>Head of epididymis</p> Signup and view all the answers

    How are cavernosal arteries represented in their long axis during imaging?

    <p>As parallel echogenic lines</p> Signup and view all the answers

    Which condition is characterized by the development of scar tissue in the penis?

    <p>Peyronie disease</p> Signup and view all the answers

    What is one of the common uses of color Doppler imaging in scrotal sonography?

    <p>To assess blood flow to the appendix testis</p> Signup and view all the answers

    What is the primary function of the testes?

    <p>Producing testosterone and sperm</p> Signup and view all the answers

    Which structure supplies blood to the epididymis?

    <p>Superior Epididymal Artery</p> Signup and view all the answers

    What covers each testis and forms the mediastinum testis?

    <p>Tunica Albuginea</p> Signup and view all the answers

    What role does the tunica dartos play in the scrotum?

    <p>Divides the scrotum into halves and assists with temperature regulation</p> Signup and view all the answers

    Which of the following structures is paired and produces spermatozoa?

    <p>Testes</p> Signup and view all the answers

    What is the primary component of semen?

    <p>Spermatozoa and secretions from glands</p> Signup and view all the answers

    Which artery is a branch of the testicular artery that goes through the mediastinum?

    <p>Transmediastinal Artery</p> Signup and view all the answers

    What is the normal length range for an adult testicle?

    <p>3-5 cm</p> Signup and view all the answers

    Which structure is not part of the male pelvis anatomy?

    <p>Cremaster muscle</p> Signup and view all the answers

    Which organ is responsible for storing sperm?

    <p>Epididymis</p> Signup and view all the answers

    What structure connects the urinary bladder to the outside of the body?

    <p>Urethra</p> Signup and view all the answers

    Which structure is found within the scrotum and assists in regulating temperature?

    <p>Dartos muscle</p> Signup and view all the answers

    Which gland contributes fluid to semen and is located near the ejaculatory duct?

    <p>Prostate gland</p> Signup and view all the answers

    What is the primary function of the epididymis?

    <p>Stores and matures sperm</p> Signup and view all the answers

    Which part of the ductus deferens is located closest to the testis?

    <p>Scrotal segment</p> Signup and view all the answers

    Which structure contains the smooth muscle and vascular spaces that allow for erection?

    <p>Corpora cavernosa</p> Signup and view all the answers

    What encapsulates the epididymis?

    <p>Serosal layer</p> Signup and view all the answers

    What is the function of the cremaster muscle found in the spermatic cord?

    <p>Protects the testis from heat</p> Signup and view all the answers

    Which component of the penis contains the spongy urethra?

    <p>Corpus spongiosum</p> Signup and view all the answers

    How long is the ductus deferens approximately?

    <p>45 cm</p> Signup and view all the answers

    What separates the corpora cavernosa and corpus spongiosum in the penis?

    <p>Tunica albuginea</p> Signup and view all the answers

    What echogenicity is generally observed in the head of the epididymis compared to the testis?

    <p>Isoechoic or slightly hyperechoic compared to the testis</p> Signup and view all the answers

    What is the typical appearance of the tunica albuginea on ultrasound?

    <p>An echogenic fibrous sheath surrounding the testis</p> Signup and view all the answers

    What is observed in the scrotal wall layers on ultrasound?

    <p>Typically appears as a single hyper-echoic stripe</p> Signup and view all the answers

    What characteristic texture is typically observed in the epididymis?

    <p>Coarse in appearance</p> Signup and view all the answers

    What does color Doppler imaging demonstrate within the epididymis?

    <p>Speckled intra-epididymal arterial flow</p> Signup and view all the answers

    What appearance characterizes the normal corpus spongiosum on ultrasound?

    <p>Homogeneous medium-level echo texture</p> Signup and view all the answers

    Which structure is commonly identified as a highly echogenic covering of the corpora cavernosa?

    <p>Tunica albuginea</p> Signup and view all the answers

    What type of waveform is demonstrated by a low resistance waveform in a longitudinal scanning plane image?

    <p>Low resistance waveform</p> Signup and view all the answers

    What is the echogenic appearance of the cavernosal arteries within the corpora cavernosa?

    <p>Echogenic with pulsations</p> Signup and view all the answers

    Which imaging artifact could be seen in the transverse scan of the corpus spongiosum?

    <p>Elliptical structure appearance</p> Signup and view all the answers

    How does the septum penis appear on ultrasound imaging?

    <p>Highly echogenic plane</p> Signup and view all the answers

    What is the typical appearance of the vas deferens on an ultrasound?

    <p>Linear to ovoid anechoic to hypoechoic structure</p> Signup and view all the answers

    Which statement describes the appearance of epididymal structures on ultrasound?

    <p>May show a combination of hypoechoic and echogenic structures</p> Signup and view all the answers

    Which artery supplies the corpora cavernosa of the penis?

    <p>Deep artery of the penis</p> Signup and view all the answers

    What component contributes approximately 60% of total semen volume?

    <p>Secretions from seminal vesicles</p> Signup and view all the answers

    How long can spermatozoa remain viable in the epididymis?

    <p>4 weeks</p> Signup and view all the answers

    What happens to the urinary bladder sphincter during ejaculation?

    <p>It closes to prevent urine from mixing with semen</p> Signup and view all the answers

    What is the purpose of the alkaline fluid produced by the prostate?

    <p>To neutralize acidic environments in the female reproductive tract</p> Signup and view all the answers

    Which structure is identified as a hyperechoic band in the longitudinal plane of the testis?

    <p>Mediastinum testis</p> Signup and view all the answers

    What is a common characteristic of a hydrocele as seen during a sonographic examination?

    <p>Anechoic fluid between the tunica vaginalis layers</p> Signup and view all the answers

    What is the main function of the bulbourethral artery?

    <p>Supplies blood to the corpus spongiosum</p> Signup and view all the answers

    How much spermatozoa does a male typically produce daily?

    <p>300 million</p> Signup and view all the answers

    What role does the gubernaculum testis serve?

    <p>Connects the testis to the scrotal wall</p> Signup and view all the answers

    What provides the major blood supply to the testes?

    <p>Testicular arteries</p> Signup and view all the answers

    Which artery supplies the epididymis?

    <p>Deferential artery</p> Signup and view all the answers

    Where does the right testicular vein drain?

    <p>Inferior vena cava</p> Signup and view all the answers

    What is the purpose of the pampiniform plexus?

    <p>Provides venous drainage from the scrotum</p> Signup and view all the answers

    Which arteries arise from the capsular arteries?

    <p>Centripetal arteries</p> Signup and view all the answers

    What anatomical feature assists in venous drainage accompanying the trans-mediastinal artery?

    <p>Trans-mediastinal vein</p> Signup and view all the answers

    What supplies peritesticular tissues?

    <p>Cremasteric artery</p> Signup and view all the answers

    Which testicular appendage is also known as hydatid of Morgagni?

    <p>Appendix testis</p> Signup and view all the answers

    What is the normal thickness range for the scrotal wall?

    <p>2 to 8 mm</p> Signup and view all the answers

    How long does the normal appendix testis measure?

    <p>1 to 7 mm</p> Signup and view all the answers

    What dimensions are characteristic of the head of the epididymis?

    <p>5 to 12 mm in length and 10 to 12 mm in anteroposterior dimension</p> Signup and view all the answers

    Which segment of the ductus deferens is located in the pelvic region?

    <p>Pelvic</p> Signup and view all the answers

    What structure divides the scrotum into two compartments?

    <p>Median raphe</p> Signup and view all the answers

    What is contained within the cavum vaginale?

    <p>Serous fluid</p> Signup and view all the answers

    What is the role of the cremaster muscle?

    <p>Regulate temperature of the testicles</p> Signup and view all the answers

    What type of tissue surrounds each testis?

    <p>Tunica albuginea</p> Signup and view all the answers

    What is the primary anatomical division of the epididymis?

    <p>Head, body, and tail</p> Signup and view all the answers

    How many lobules does each testis contain approximately?

    <p>200 to 300 lobules</p> Signup and view all the answers

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