Injuries and diseases of the knee-joint : considered from the clinical aspect / by William Bennett.

  • Bennett, William H. (William Henry), Sir, 1852-1931.
Date:
1909
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Licence: Public Domain Mark

Credit: Injuries and diseases of the knee-joint : considered from the clinical aspect / by William Bennett. Source: Wellcome Collection.

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    involving the articulation, may give rise to symptoms simulating internal derangement, is detachment of the abductor tubercle of the femur by muscular violence. I am inclined to think that this injury is more frequent than is commonly thought; it is one of the lesions which have been brought to light by the X rays. The following is a typical case : Clinical Example No. 38.—A man, aged twenty- five years, in getting over some railings slipped, his leg being caught between two of the rails as he fell across the top one. The thigh was bent violently outwards at the knee, with intense pain, which caused him to faint. When seen twelve hours later there was a good deal of swelling about the inner side of the knee and around the inner hamstring tendons. Voluntary attempts at adducting the thigh caused acute pain like that met with in “rider’s sprainV Complete extension of the knee was impossible on account of the pain, but flexion was easy. Rotation outward caused pain on the inner side of the joint. In standing the limb was slightly flexed. Taken as a whole the symptoms were suggestive of superficial extensive bruising, with internal semi-lunar cartilage Fig. 17.—Diagrams of the commonest types of fracture implicating the knee-joint, and of two (a and e) which, although not involving the joint, may simulate semi¬ lunar lesion. Separation of the adductor tubercle (a) of the femur is rare. 13