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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]
The lunate bone (semilunar bone) is a carpal bone in the human hand. It is distinguished by its deep concavity and crescentic outline. It is situated in the center of the proximal row carpal bones, which lie between the ulna and radius and the hand. The lunate carpal bone is situated between the lateral scaphoid bone and medial triquetral bone.
To perform the test, the examiner grasps the wrist with their thumb over the scaphoid tubercle (volar aspect of the palm) in order to prevent the scaphoid from moving into its more vertically oriented position in ulnar deviation. For the test, the wrist needs to be in slight extension. The patient's wrist is then moved from ulnar to radial ...
In orthopedic surgery, the lunotriquetral shear test or lunotriquetral shear maneuver involves stabilizing the lunate between thumb and index finger of one hand and the triquetrum between the thumb and index finger of the other. The pisiform and triquetrum are pushed in a palmar to dorsal direction. Discomfort in this area suggests the ...
In a similar study published in 2017, deaf individuals who use French Sign Language were studied during processing French Sign Language and written French. During the processes of each of the languages, there was bilateral activation in the occipital lobes, in the temporal lobes near the superior temporal sulcus, and in the frontal gyri. [9]
A test designed to identify biomarkers associated with autism just became available in most states. The test is meant to help physicians rule out autism in children who have higher likelihoods of it.
Some of the biggest brands in America, including Amazon, Meta, Walmart and McDonald’s, have recently changed or ended their diversity, equity and inclusion (DEI) programs. But e.l.f. Beauty, a ...
The PA wrist x-ray will demonstrate sclerosis and joint space narrowing between the lunate and capitate. Over time, the capitate will migrate proximally into the space created by the scapholunate dissociation. [2] The radiographic findings in Stage III SLAC wrist are synonymous with the Terry-Thomas sign, indicating complete scapholunate ...