Items tagged “testis”
67 results found
Article
Testicular cancer (staging)
The staging for testicular tumors is performed according to the TNM system with staging groupings. It can be remembered in its abbreviated form as:
stage I: confined to testis, epididymis, spermatic cord, scrotum
stage II: lymph nodes involved but no distant metastases and serum tumor markers...
Article
Unilateral testicular lesions
The differential diagnosis for unilateral testicular lesions is wide-ranging.
Neoplastic
Common
seminoma (40-50% of testicular malignancies)
non-seminomatous germ cell tumors:
testicular teratoma
testicular epidermoid (teratoma with ectodermal elements only)
testicular choriocarcinoma
t...
Article
Paratesticular lesions
Paratesticular lesions have a long list of differential diagnoses:
neoplastic
benign
epididymal cyst (most common epididymal mass)
scrotal tunica cysts
tunica vaginalis cyst
tunica albuginea cyst
spermatic cord lipoma
scrotal hemangioma: is of...
Article
Scrotolith
Scrotoliths, also known as scrotal pearls, are benign incidental extratesticular macrocalcifications within the scrotum. They frequently occupy the potential space of the tunica vaginalis or sinus of the epididymis. They are usually of no clinical significance 1,2.
Epidemiology
The prevalence ...
Article
Testicular cancer
Testicular cancers are the most common malignancy in men between the ages of 20 and 34 years.
Epidemiology
Testicular cancer is uncommon, accounting for less than 1% of all internal organ malignancies 2.
The commonest histology of the tumor varies with the age of affected individuals. Over 90...
Article
Paratesticular tumors
A paratesticular mass may derive from a number of structures that surround the testis within the scrotum; most commonly, they derive from the spermatic cord.
Pathology
The masses can be categorized as benign (70%) or malignant (30%).
Etiology
Benign
spermatic cord lipoma (most common parat...
Case
Testicular teratoma
Published
15 Jun 2010
94% complete
Ultrasound
Case
Testicular torsion
Published
04 Oct 2010
91% complete
Ultrasound
Article
Testicular torsion
Testicular torsion occurs when a testis torts on the spermatic cord resulting in the cutting off of blood supply. The most common symptom is acute testicular pain and the most common underlying cause, a bell-clapper deformity. The diagnosis is often made clinically but if it is in doubt, an ultr...
Case
Testicular abscess
Published
06 Oct 2010
85% complete
Ultrasound
Case
Testicular teratoma nodal metastases
Published
06 Oct 2010
92% complete
Ultrasound
CT
Case
Testicular non-seminomatous germ cell tumor
Published
10 Dec 2010
66% complete
Ultrasound
Article
Testicular cyst
Simple testicular cysts are usually nonpalpable and thus are detected incidentally.
Radiographic features
Ultrasound
well-marginated
imperceptible wall
anechoic with posterior acoustic enhancement
no flow on color Doppler
MRI
follows the signal characteristics of fluid on all pulse seque...
Case
Inguino scrotal hernia
Published
23 Apr 2011
69% complete
Ultrasound
Article
Tubular ectasia of rete testis
Tubular ectasia of rete testis (rare plural: retia testes 8) represents dilated testicular mediastinal tubules.
Epidemiology
This condition is more common in men over the age of 55 years.
It is often bilateral, is frequently associated with spermatoceles and may occur as result of a vasectom...
Case
Seminoma (pathology)
Published
12 Dec 2011
91% complete
Pathology
Case
Adenomatoid tumor of the scrotum (pathology)
Published
27 Dec 2011
91% complete
Pathology
Article
Testicular yolk sac tumor
Testicular yolk sac tumor, also known as endodermal sinus tumor of the testis, is the most common childhood testicular tumor (80%), with most cases occurring before the age of two years 1. In adults, pure yolk sac tumor is extremely rare, however mixed germ cell tumor is commonly seen.
Patholog...
Case
Hydrocele of spermatic cord and of tunica vaginalis
Published
24 Apr 2012
63% complete
Ultrasound
Case
Testicular microlithiasis
Published
05 May 2012
75% complete
Ultrasound
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