At the quadrangular joint (QAJ) of the carpus, a rare bony protuberance called carpal boss (CB) may occur. This bone abnormality may be due to osteophytes development or os styloideum. Symptomatic patients may complain pain, swelling, and restrictions in hand motion. These symptoms result from joint degenerative-inflammatory changes, development of ganglion cyst/bursitis, or tendons pathology. Correct diagnosis and appropriate management can be achieved through high-resolution ultrasonography (HR-US). The purpose of this review is to define the pathology spectrum around and within the QAJ in CB. The role of HR-US is highlighted and the standard technique for the QAJ assessment is described.
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http://dx.doi.org/10.1002/jcu.23763 | DOI Listing |
J Clin Ultrasound
October 2024
Radiology Unit, Istituto Diagnostico Varelli, Naples, Italy.
J Surg Case Rep
May 2024
Department of Orthopedic Surgery, Bahrain Defense Force Hospital Military Hospital, Riffa, Southern Governate Road, Wadi Alsail District, Bahrain.
Cureus
August 2023
Department of Anatomy, Indira Gandhi Institute of Medical Sciences, Patna, IND.
Introduction Subacromial impingement syndrome (SIS) is a common shoulder disorder characterized by pain and limited range of motion in the shoulder joint. It is frequently attributed to the compression or impingement of the rotator cuff tendons and bursa between the humeral head and the acromion process of the scapula during arm elevation. Subacromial impingement syndrome may arise as a result of the morphology of the acromion process, a bony protrusion at the top of the scapula that is important in the biomechanics of the shoulder joint.
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