Items tagged “urethra”
45 results found
Article
Urothelial cell carcinoma (urethra)
Urothelial cell carcinoma of the urethra (formerly transitional cell carcinoma) is rare and is almost always limited to the proximal urethra in men (membranous and prostatic). The vast majority of urethral malignancies are squamous cell carcinomas.
This article concerns itself with transitional...
Case
Urethrocoele
Published
07 Oct 2010
92% complete
MRI
Diagram
Article
Urethral diverticulum
Urethral diverticula, or urethroceles, are focal outpouchings of the urethra. They should not be confused with a ureterocele of the distal ureter.
Epidemiology
Urethral diverticula occur far more frequently in women than in men and are estimated to occur in 1-6% of women, especially those with...
Article
Tumors of the male urethra
Tumors of the male urethra are uncommon. They can be categorized both on the grounds of histology and location.
Histology
squamous cell carcinoma of the urethra: 80%
urothelial/transitional cell carcinoma of the urethra: 15% (predominantly posterior urethra)
adenocarcinoma of the urethra: 5%...
Article
Primary urethral malignant melanoma
Melanoma of the urethra is a very rare tumor of the male urethra and often presents as an invasive prostatic mass. As such it is usually referred to as primary prostatic malignant melanoma.
Case
Urethral diverticulum
Published
19 Oct 2010
44% complete
X-ray
Case
Artificial urethral sphincter
Published
20 Oct 2010
39% complete
CT
Case
Urethral diverticulum
Published
20 Oct 2010
36% complete
CT
Case
Urethral diverticulum
Published
20 Oct 2010
56% complete
MRI
Annotated image
Case
Adenocarcinoma arising in a urethral diverticulum
Published
20 Nov 2010
68% complete
MRI
Article
Artificial urethral sphincters
Artificial urethral sphincters, also known as inflatable artificial sphincters and urinary control systems, are devices used for the treatment of urinary stress incontinence (e.g. due to pelvic floor dysfunction in females or prostate surgery in males) and are sometimes used in combination with ...
Article
Urethral stricture
Urethral strictures are relatively common and typically occur either in the setting of trauma or infection.
Epidemiology
The demographics of the affected population is dictated by the etiology, but in general, it is safe to say that adult males make up the vast majority of cases.
Clinical pre...
Article
Posterior urethral valves
Posterior urethral valves (PUV), also referred to as congenital obstructing posterior urethral membranes (COPUM), are the most common congenital obstructive lesion of the urethra and a common cause of obstructive uropathy in infancy.
Epidemiology
Posterior urethral valves are congenital and on...
Article
Keyhole sign (posterior urethral valves)
The keyhole sign is an ultrasonographic sign seen in boys with posterior urethral valves. It refers to the appearance of the proximal urethra (which is dilated) and an associated thick walled distended bladder which on ultrasound may resemble a keyhole.
Case
Posterior urethral valves
Published
20 Apr 2011
94% complete
Fluoroscopy
Case
Prostatic utricle cyst
Published
25 Apr 2011
38% complete
Fluoroscopy
Ultrasound
Article
Urethral diverticulum adenocarcinoma
Urethral diverticulum adenocarcinoma is a rare occurrence in a urethral diverticulum.
Epidemiology
Urethral diverticulum seen in ~0.6-6% of women. In small series, only 3-6% of resected urethral diverticula show adenocarcinoma 3-4.
Clinical features
Urinary frequency, urgency, burning mictur...
Case
Renal and urethral calculi
Published
27 Mar 2012
54% complete
X-ray
Case
Urethral calculus
Published
19 Jun 2012
57% complete
Ultrasound
Case
Traumatic urethral transection
Published
22 Oct 2012
88% complete
Fluoroscopy