Scrotum and Prostate Flashcards
(83 cards)
What month GA do the testes lie in the scrotum?
8 mo
What structure is a fibrous sheath that covers the testis and is seen as a thin echogenic line on ultrasound?
Tunica albuginea
What is the normal thickness of the scrotal wall?
2-8mm
The scrotum is divided into two compartments by what structure?
Median Raphe
What three major structures are contained in the scrotum?
Testes, epi, spermatic cord
What structure is a continuation of the epididymis?
Vas deferens
The Rt testicular vein drains into what structure whereas the Lt testicular vein drains into what stucture?
Rt - IVC
Lt - Lt renal vein
What type of waveform will you see in testicular arteries?
Low-resistance and high flow
Spermatogenesis takes place where?
Seminiferous tubules
When undescended testes are located prior to what age, is fertility preserved?
2 years
Where are the majority of undescended testes located?
Inguinal canal
Between what ages does torsion typically occur?
12-18
When torsion is suspected, what can you expect to find sonographically and what should you do to confirm?
Whirpool sign / torsion knot
Use CD and pulsed doppler to confirm absence of blood flow
Of the types of torsion, what is the most common?
Intravaginal
Extravaginal - occurs ONLY in newborns
Clinical signs of torsion?
- Sudden onset of pain
- Nausea/vomiting
- Fever
What pathology represents 75% to 80% of all acute inflammatory processes in the scrotum?
Epididymitis
Men of what ages are typically affected by epididymitis?
20-30 yrs
What is meant by a “reactive” hydrocele?
A type of non-communicating hydrocele that is caused by trauma, infection, or torsion
What is the most common cause of painless scrotal swelling?
Hydrocele
What are the most common epididymal lesions?
Epididymal cysts
Spermatoceles
Usually occur post vasectomy or due to trauma and found most commonly in the head
What age of men typically present with tubular ectasia or rete testes?
50 yrs - often bilateral
To be a varicocele, the vein must measure what?
> 3mm - most commonly left sided
Clinical signs of varicoceles?
Abnormally warm scrotum
Infertility
Clinical signs of a patient with a scrotal hematoma?
Pain, swelling, skin discolouration