American practice of surgery : a complete system of the science and art of surgery . which is a hiteral view of the elbow at fourteen, we find that theprimary centre for the olecranon hasgreatly increased in size and that a second-ary centre has appeared. These usually coalesce during the next six months,giving rise oftentimes to a peculiar elongated body. Here also the shadow ofthe trochlea is superimposed upon the shadow of the capitellum. The shadowof the trochlea is posterior to the shadow of the capitellum, while the shadowof the internal condyle cannot usually be differentiated in a late
American practice of surgery : a complete system of the science and art of surgery . which is a hiteral view of the elbow at fourteen, we find that theprimary centre for the olecranon hasgreatly increased in size and that a second-ary centre has appeared. These usually coalesce during the next six months,giving rise oftentimes to a peculiar elongated body. Here also the shadow ofthe trochlea is superimposed upon the shadow of the capitellum. The shadowof the trochlea is posterior to the shadow of the capitellum, while the shadowof the internal condyle cannot usually be differentiated in a lateral view. Theirsuperimposed lines often make their recognition a matter of some difficulty. In Fig. 158 we have a lateral view of the ell)ow at age fifteen, which shows the])artial union of the olecranon to its shaft. The serrated line which marks thejiartial epiphyseal separation has been oftentimes mistaken for a fracture two cases of injury which came under the writers observation, the patientswere compelled to wear splints for several weeks owing to the misinterpreta-. FiG. 158—Radiograph Showing Lateral View of Elbow at Fifteen Years. 1, Humerus; 2, capitel-lum; 3, upper epiphj-sis of radius; 4, radius; 5, compact tissue of the lower end of humerus; 6, ep-iphj-sis of olecranon partial joint; 7, idna. (Original.) tioninthisrespectof the radiogram of the injured joint. At age sixteen the separa-tion l^etween the epiphysis belonging to the radius and its diaphysis is so slightas often to escape notice. The vertical view of the developing elbow is perhaps more deceptive thanthe lateral views and requires study for its comprehension. In Fig. 159 is seenthe ell)ow joint of a six-year-old boy. The cai)it(>llum is well formed whilethe small disc of the epiphysis of the radius is sharply shown. In Fig. 160, which is a vertical view of the elbow at age ten, the centre for the 588 AMERICAN PRACTICE OF SURGERY. internal condyle is well fornud. Tho capitelluni is well show
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Keywords: ., bookauthorbuckalbe, bookcentury1900, bookdecade1900, bookyear1906
