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(conoid tubercle)
16 results
  • What Regions of the Distal Clavicle Have the Greatest Bone Mineral Density and Cortical Thickness? A Cadaveric Study. [Journal Article]
    Clin Orthop Relat Res 2019Chen RE, Soin SP, … Voloshin I
  • CONCLUSIONS: In the distal clavicle, BMD and cortical thickness are greatest in the conoid tubercle and intertubercle space. When compared with clavicular regions lateral to the trapezoid tubercle, the BMD and cortical thickness of the conoid tubercle and intertubercle space were increased, with a large magnitude of difference.Distal clavicular fractures are prone to comminution and modern treatment strategies have centered on the use of locking plate technology and/or suspensory fixation between the coracoid and the clavicle. However, screw pullout or cortical button pull through are known complications of locking plate and suspensory fixation, respectively. Therefore, it seems intuitive that implant placement during internal fixation of distal clavicle fractures should take advantage of the best-available bone. Although osteosynthesis was not directly studied, our study suggests that the best screw purchase in the distal clavicle is available in the areas of the conoid tubercle and intertubercle space, as these areas had the best bone quality. Targeting these areas during implant fixation would likely reduce implant failure and strengthen fixation. Future studies should build on our findings to determine if osteosynthesis of distal clavicular fractures with targeted screw purchase or cortical button placement in the conoid tubercle and intertubercle space increase fixation strength and decreases construct failure. Furthermore, our findings provide consideration for novel distal clavicular locking plate designs with modified screw trajectories or refined surgical techniques with suspensory fixation implants to reliably capture these areas of greatest bone quality.
  • Morphometric Study of Clavicular Facet of Coracoclavicular Joint in Adult Indian Population. [Journal Article]
    J Clin Diagn Res 2016; 10(4):AC08-11Das SS, Mahajan A, Vasudeva N
  • CONCLUSIONS: The Indian population showed an incidence of 5.6%, which was comparable to other ethnic groups in world population. The morphometric and side differences could be attributed to the occupational factors and range of movements associated with the CCJ. The CCJ should be borne in mind as a differential diagnosis for thoracic outlet syndrome and in general for shoulder pain.
  • Acromioclavicular joint reconstruction using the LockDown synthetic implant: a study with cadavers. [Journal Article]
    Bone Joint J 2015; 97-B(12):1657-61Taranu R, Rushton PR, … Candal-Couto JJ
  • Dislocation of the acromioclavicular joint is a relatively common injury and a number of surgical interventions have been described for its treatment. Recently, a synthetic ligament device has become available and been successfully used, however, like other non-native solutions, a compromise must be reached when choosing non-anatomical locations for their placement. This cadaveric study aimed to …
  • Structure of Clavicle In Relation to Weight Transmission. [Journal Article]
    J Clin Diagn Res 2015; 9(7):AC01-4Shah VM, Routatal RV
  • CONCLUSIONS: The structure of clavicle between conoid tubercle and area for costoclavicular ligament showed thick compact bone and definite pattern of cancellous bone. This structure of clavicle between conoid tubercle and area for attachment of costo-clavicular ligament transmits weight from lateral to medial direction and this knowledge of clavicular structure will also be useful to orthopedic surgeons to deal with clavicular fractures and other abnormalities.
  • Surgical excision of a symptomatic congenital coracoclavicular joint. [Case Reports]
    Orthopedics 2014; 37(9):e836-8Gibbs S, Merriman JA, … Rick Hatch GF
  • The coracoclavicular joint is a rare anatomic variant that consists of an articulation between the conoid tubercle of the clavicle and the superior surface of the coracoid process of the scapula. The coracoclavicular joint is most often asymptomatic and is found incidentally. A symptomatic coracoclavicular joint is exceedingly rare, with only 17 cases reported from 1915 to 2009. Symptoms may incl…
  • Two large processes at the acromial end of a clavicle: a case report. [Case Reports]
    Hippokratia 2014; 18(2):183-4Totlis T, Paparoidamis G, … Natsis K
  • CONCLUSIONS: Although the conoid process of the clavicle may be congenital and usually articulates with the coracoid process of the scapula, in our case the conoid process was acquired and presented a rough and slightly sharp tip, without any joint surface. It was very interesting that the quadrilateral process found at the anterior border of the same clavicle was probably forming an accessory joint between the clavicle and the humeral head.
  • Symptomatic coracoclavicular joint: incidence, clinical significance and available management options. [Review]
    Int Orthop 2011; 35(12):1821-6Singh VK, Singh PK, … Patel V
  • CONCLUSIONS: Symptomatic CCJ is rare, and its rarity leads to lack of awareness in the general orthopaedic community. When symptomatic, CCJ may lead to delayed diagnosis or inappropriate management due to lack of evidence and poor description in most orthopaedic textbooks. Despite its low success rate, conservative treatment is advocated before embarking upon surgical intervention.
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