Search results
Results From The WOW.Com Content Network
Abdominal ultrasonography, where gallstones create acoustic shadowing of the ultrasound, seen at bottom. A short-distance acoustic shadow occurs behind a building or a sound barrier. The sound from a source is shielded by the obstruction. Due to diffraction around the object, it will not be completely silent in the sound shadow. The amplitude ...
Diagnosis is typically confirmed by abdominal ultrasound. Other imaging techniques used are ERCP and MRCP. Gallstone complications may be detected on blood tests. [2] On abdominal ultrasound, sinking gallstones usually have posterior acoustic shadowing.
A head shadow (or acoustic shadow) is a region of reduced amplitude of a sound because it is obstructed by the head. It is an example of diffraction. [1] [2]Sound may have to travel through and around the head in order to reach an ear.
It's been known that smoking while pregnant can harm babies, and now researchers in England believe they've been able to show the effects using ultrasound scans. Researchers at Lancaster and ...
Ultrasound is an excellent method for the study of the penis, such as indicated in trauma, priapism, erectile dysfunction or suspected Peyronie's disease. [ 1 ] Ultrasound is an imaging modality that, in addition to being well tolerated and widely available, is considered an excellent method for the evaluation of many penile diseases.
Peyronie's disease is a connective tissue disorder involving the growth of fibrous plaques in the soft tissue of the penis.Specifically, scar tissue forms in the tunica albuginea, the thick sheath of tissue surrounding the corpora cavernosa, causing pain, abnormal curvature, erectile dysfunction, indentation, loss of girth and shortening.
Therefore, ultrasound is the modality of choice for thyroid lesion evaluation, due to its superior spatial resolution compared to CT examinations. Sonographic features of malignancy are micro-calcifications, acoustic shadowing, anti-parallel orientation, marked hypoechogenicity, irregular or microlobulated margins, and increased vascularity. CT ...
A Washington, D.C. man has been charged with murder after police say he stabbed his grandmother to death and then texted a photograph of her dead body to other family members last Friday.