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In radiology, the Terry-Thomas sign is a scapholunate ligament dissociation on an anteroposterior view of the wrist. [1] [2] Most commonly a result of a fall on the outstretched hand , the scapholunate ligament ruptures resulting in separation of the lunate and scaphoid bones. This burst causes the scaphoid bone to dorsally rotate. [3]
Ultrasonography machine: uses ultrasound to produce images from within the body; video link: X-ray: uses X-rays to produce images of structures within the body; video link: Contrast media for X-rays: to provide a high contrast image of the details of the viscera under study; e.g. salts of heavy metals, gas like air, radio-opaque dyes, organic ...
Pie-in-the-sky sign; Piece of Pie sign; Playboy sign; Pneumatosis intestinalis; Pneumoarthrogram sign; Polka dot sign; Popcorn appearance; Popcorn calcification; Pseudo Rigler's sign; Pseudofracture; Puckered panniculus sign; Pulmonary consolidation; Putty kidney; Pyloric tit sign
An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
The triquetral bone may be distinguished by its pyramidal shape, and by an oval isolated facet for articulation with the pisiform bone. It is situated at the upper and ulnar side of the carpus. To facilitate its palpation in an exam, the hand must be radially deviated so that the triquetrium moves out from under the ulnar styloid process.
Kienböck's disease is a disorder of the wrist.It is named for Dr. Robert Kienböck, a radiologist in Vienna, Austria who described osteomalacia of the lunate in 1910. [1]It is breakdown of the lunate bone, a carpal bone in the wrist that articulates with the radius in the forearm.
In U.S. made radios, the first type issued was the type 6E5 single pie shaped image, introduced by RCA and used in their 1936 line of radios. Other radio makers used the 6E5 as well until, soon after, the less sensitive type 6G5 was introduced. Also, a type 6AB5 aka 6N5 tube with lower plate voltage was introduced for series filament radios.
The space in the wrist bounded by the hamate, capitate, triquetral and lunate bones. This place is referred to as a place where the nails of Jesus Christ crucifixion pierced his wrist. [1] Étienne Destot (1 March 1864 – 3 December 1918) was a French radiologist and anatomist who was a native of Dijon.