Light bulb sign (posterior shoulder dislocation) | Radiology ...
The light bulb sign refers to the abnormal AP radiograph appearance of the humeral head in posterior shoulder dislocation. When the humerus dislocates it also internally rotates such that the head contour projects like a light bulb when viewed from the front 1. See also. light bulb sign (hepatic hemangioma)
Light bulb sign (posterior shoulder dislocation) | Radiology ...
May 15, 2021 · The light bulb sign refers to the abnormal AP radiograph appearance of the humeral head in posterior shoulder dislocation. When the humerus dislocates it also internally rotates such that the head contour projects like a light bulb when viewed from the front 1 .
The ‘Lightbulb Sign’ doesn’t always mean a ... - Resus
The lesson here is that the lightbulb sign, is purely an appearance on the x-ray and doesn’t mean the joint is dislocated. Posterior dislocations can also be difficult to diagnose and can be missed, especially in the elderly.
Posterior Dislocation of the Shoulder: The Light-Bulb Sign
Oct 27, 2023 · The current report offers valuable insights regarding the anatomical background of this clinical entity and emphasizes the 'light-bulb sign,' which can be observed in anterior-posterior shoulder X-rays when there is a posterior dislocation.
'Light Bulb Sign' in Posterior Shoulder Dislocation - Medscape
Sep 19, 2014 · While the axillary or scapular Y views often help demonstrate posterior shoulder dislocations, the "light bulb sign" of the humeral head is often present on the AP view.
Lightbulb sign - posterior shoulder dislocation
Age: 25 years. Gender: Male. x-ray. The humeral head is forced into the internal rotation as it dislocates posteriorly, giving the appearance of a lightbulb sign. Case Discussion. Posterior …
Light bulb sign- X ray- Shoulder Posterior dislocation - YouTube
Dec 19, 2017 · Light bulb sign- X ray- Shoulder Posterior dislocation. Dr. Nikita Nanwani. 162K subscribers. Subscribed. 193. 9.1K views 6 years ago MUSCULOSKELETAL RADIOLOGY. …
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