A case of sub-coracoid dislocation of the humerus : with the formation of an indentation on the posterior surface of the head, the joint being unopened : with remarks on the mode of production of fracture of the anatomical neck, with dislocation / by Frederic S. Eve.

  • Eve, Frederick Samuel, Sir, 1853-1916.
Date:
1880
Catalogue details

Licence: Public Domain Mark

Credit: A case of sub-coracoid dislocation of the humerus : with the formation of an indentation on the posterior surface of the head, the joint being unopened : with remarks on the mode of production of fracture of the anatomical neck, with dislocation / by Frederic S. Eve. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    anatomical neck with dislocation, in the museum of St. Bartholomew's Hospital, also by Sir Astley Cooper's spe- cimen in St. Thomas's Hospital Museum, in which the parts are dried in situ. Further, the mode of production of the hitherto unac- countable cases of impacted fracture of the anatomical neck may, perhaps, in some instances, be explained in a similar manner. If the posterior surface of the neck of the humerus were driven against the anterior margin of the glenoid cavity and the head thus broken off, it appears possible that a continuation of the force might drive the broken extremity of the shaft upon the articular surface of the head (now directed forwards), producing a more or less complete impaction. There would necessarily be a forward displacement of the head, and this was pre- cisely what was observed in the two specimens described by Mr. E. W. Smith.1 In both of these the head of the humerus was displaced forwards beneath the coracoid pro- cess, and rotated on its axis, so that the articular surface looked forwards; only the outer part of the articular hemi- sphere of the head was driven into the upper extremity of the shaft, the inner part being free. The bones, in fact, occupied much the same relative positions as in fracture of the anatomical neck with dislocation of the head, except that the outer part of the articular surface of the head was driven into the shaft. In both specimens a fracture passed through the tubercles; in neither had the capsule been torn. The rare peculiarities which the case described presents, rendered it, I thought, of sufficient interest and importance to bring before this Society. I am indebted to the kind- ness of Mr. Holden for permission to do so. i Fractures and Dislocations. 2