Items tagged “ultrasound”
506 results found
Case
Xanthogranulomatous cholecystitis
Published
26 Nov 2014
92% complete
CT
Ultrasound
Article
Tunica albuginea cyst
Tunica albuginea cysts are the most common extratesticular benign scrotal mass lesion. They are a type of scrotal tunica cyst.
Epidemiology
The mean age at presentation of tunica albuginea cysts is 40 years, although they may be seen in the 5th and 6th decades.
Clinical presentation
Tunica a...
Case
Penile fracture
Published
13 Mar 2014
66% complete
Ultrasound
Case
Epididymitis
Published
04 Apr 2014
82% complete
Ultrasound
Case
Spigelian hernia
Published
16 May 2014
69% complete
Ultrasound
Article
Colloid nodule (thyroid)
Colloid nodules are non-neoplastic benign nodules occurring within the thyroid gland. They form the vast majority of nodular thyroid disease.
Pathology
Colloid nodules are composed of irregularly enlarged follicles containing abundant colloid. A colloid nodule may be single or multiple and can...
Case
Takotsubo cardiomyopathy (echocardiography)
Published
10 Jul 2014
75% complete
Ultrasound
Article
Tunica vaginalis testis mesothelioma
Tunica vaginalis testis mesothelioma refers to mesothelioma arising from the tunica vaginalis.
Epidemiology
Malignant mesothelioma originating from the tunica vaginalis is extremely rare.
Clinical presentation
Patients usually present with enlarging or recurrent hydrocele, or less frequen...
Case
Scrotal ultrasound - multiple pathology
Published
10 Aug 2014
72% complete
Ultrasound
Article
Time gain compensation
A way to overcome ultrasound attenuation is time gain compensation (TGC), in which signal gain is increased as time passes from the emitted wave pulse. This correction makes equally echogenic tissues look the same even if they are located in different depths.
The basis of this is that of return...
Case
Time gain compensation - diagram
Published
10 Aug 2014
41% complete
Diagram
Article
Power Doppler
Power Doppler is a technique that uses the amplitude of Doppler signal to detect moving matter. Power Doppler:
is independent of velocity and direction of flow, so there is no possibility of signal aliasing
is independent of angle, allowing detection of smaller velocities than color Doppler, f...
Case
Suture granuloma
Published
13 Aug 2014
75% complete
Ultrasound
Article
Testicular trauma
Testicular trauma is the third most-common cause of acute scrotal pain and may result in various degrees of damage to the testes.
Pathology
Testicular rupture and testicular ischemia/infarct are two severe complications which need to be ruled out. Other injuries that can occur include 1:
test...
Case
Ureterocoeles (bilateral)
Published
25 Aug 2014
72% complete
Ultrasound
Case
Adenomatoid tumor of the testicular tunica
Published
29 Aug 2014
75% complete
Ultrasound
Case
Suture granuloma
Published
03 Sep 2014
74% complete
CT
Ultrasound
Article
Shred sign (lungs)
The shred sign, also known as the fractal sign, is a static sonographic sign of lung consolidation. Consolidated lung tissue appears as a subpleural hypoechoic region that has an irregular (shredded) deep border (fractal line) abutting normally aerated lung, which has echogenic artifacts.
This ...
Case
Hepatic hemangioma - atypical due to hepatic steatosis (ultrasound)
Published
05 Oct 2014
90% complete
Ultrasound
Annotated image
CT
MRI
Case
Pelvic appendix (transvaginal scan)
Published
08 Oct 2014
63% complete
Ultrasound
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