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Apr 6 2011, 9:09 PM EDT
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Apr 5 2011, 10:30 PM EDT
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Change: This male patient was referred for elbow radiography with an unexplained swollen and painful left elbow. The first attempt lateral elbow is shown above. The radiographer considered the elbow to be sufficiently malpositioned to warrant a repeat.The capitellum was identified using the radiocapitellar
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Feb 8 2010, 2:34 AM EST
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AndyC
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Change: Moved by AndyC Feb 8 2010, 2:34 AM EST
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Feb 1 2010, 11:20 PM EST
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Change: projection. The proximal radial line can therefore be utilised to identify the capitellum except when the radial head is dislocated. The proximal radial line essentially points to the capitellum.The Radiocapitellar Gap as a Guide to Identifying the CapitellumThe articular surface of the radial
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Aug 12 2009, 8:43 PM EDT
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Change: I was warned as a student that the lateral elbow position is the most difficult positon in radiography. A knowledge of the elbow anatomy and
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Aug 12 2009, 12:03 AM EDT
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Change: the appearance of the continuation of the medial lip of the trochlea (anteriorly) with the medial aspect of the coranoid fossa (as shown above) should not be considered a sign of malpositioning of the lateral elbow.If the position is too internally rotated,
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Jul 22 2009, 12:33 AM EDT
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Change: of the medial and lateral condyles are outlined. This is a compound positioning error- the capitellum is projected too proximally(lower elbow to correct)too anteriorlyposteriorly (raise(lower hand to correct SummaryToo Externally RotatedThe ApostropheTrue Lateral The 'poppy' and the 'full moon'Too Internally RotatedThe
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Jul 22 2009, 12:22 AM EDT
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Change: There are anterior and possibly posterior fatpad signs. The elbow is not in a true lateral position.The elbow is not flexed to 90 degrees.The radiocapitellar gap identifies the capitellum (white dotted line) most convincingly. The medial epicondyle is profiled slightly posteriorly (dumbo's head sign)This is
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Jul 22 2009, 12:00 AM EDT
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Change: The proximal radial line allows identification of the capitellum. The radiocapitellar gap also supports the identification of the capitellum.The medial epicondyle is profiled slightly posteriorly (dumbo's head sign)This is a compound positioning error- the capitellum is projected too proximally(lower elbow to correct)too anteriorly
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Jul 21 2009, 11:35 PM EDT
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Change: There are anterior and posterior fatpad signs. There is a radial head fracture. The elbow is not in a true lateral position. The proximal radial line allows identification of the capitellum. The radiocapitellar gap also supports the identification of the capitellum.The medial epicondyle is profiled posteriorly (dumbo's head sign)
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Jul 21 2009, 10:39 PM EDT
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Change: There is an anterior fatpad sign. The elbow is not in a true lateral position. The proximal radial line allows identification of the capitellum.The patient's hand position does not need to be corrected.The capitellum is projected too distally. Raising the patient's elbow will correct this malposition. SummaryToo
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Jul 21 2009, 10:19 PM EDT
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Change: fatpad sign and a radial head fracture. The elbow is not in a true lateral rotation)position. The radiocapitellar gap identifies the capitellum as too posterior.There is significant malpositioning. Whilst there are a number of indicators of
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Jul 21 2009, 9:59 PM EDT
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Change: articular surface of the radial head and the articular surface of the capitellum are cover in a layer of articular cartilage. These two articular cartilages
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Jul 21 2009, 9:41 PM EDT
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Change: (or raise/lower elbow)Raise hand/lower hand (external rotation/internal rotation)There is significant malpositioning. Whilst there are a number of indicators of the nature of the malpositioning, the 'humpback' appearance of the posterior cortex suggests that the patient's hand needs to be lowered.Adduct/abduct humerusThere is no change requiredThe
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Jul 19 2009, 8:15 AM EDT
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Jul 19 2009, 8:13 AM EDT
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Change: capitulum.capitellum. The epicondyle is considered part of the nonarticular portion of the condyle." (Kelly, John D IV, e-medicine, Medial Condylar Fracture of the Elbow) . The ossification centres of the medial and lateral epicondyles in a child are referred to as the unfused epicondylar apophysis.Radiographic AnatomyThe
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Jul 16 2009, 1:06 AM EDT
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Change: dislocated- the proximal radial line does not bisect the capitellum.Testing The TheoryThere will generally be two basic corrections for lateral elbow malposition- raise hand/lower hand (external rotation/internal rotation)- adduct/abduct humerusRaise hand/lower hand (external rotation/internal rotation)There is significant malpositioning. Whilst
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Jul 16 2009, 1:04 AM EDT
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Change: Up until this point, evaluation of the lateral elbow position has not included consideration of the proximal ulna, and more importantly, the proximal radius. Radiographers
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Jul 12 2009, 9:33 PM EDT
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Change: There is significant malpositioning. Whilst there are a number of indicators of the nature of the malpositioning, the 'humpback' appearance of the posterior cortex suggests that the patient's hand needs to be lowered.Adduct/abduct humerusThere is no change requiredThe medial epicondyle is projected
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Jul 12 2009, 7:59 PM EDT
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Change: This is a malpositioned lateral elbow. The key to repositioning the elbow into a true lateral is in distinguishing the medial from lateral anatomy.The medial posterior cortical contour and the lateral posterior cortical contours are distinctly different. SummaryToo Externally RotatedThe ApostropheTrue Lateral The 'poppy'
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