A system of surgery : pathological, diagnostic, therapeutic, and operative . t graphic paper, in the Phila-delphia Medical Examiner for 1838, was the firstto describe, with any degree of accuracy, the natureand treatment of fracture of this bone at the radio-carpal articulation. In 1814, Mr. ColleS, of Dublin, Fracture of the head of the radius. gave an account of a fracture which he had repeatedly found at the distance of about an inch and a half above the joint; and morerecently the whole question has been examined anew by some of the French andBritish surgeons, particularly Mr. R. W. Smith,
A system of surgery : pathological, diagnostic, therapeutic, and operative . t graphic paper, in the Phila-delphia Medical Examiner for 1838, was the firstto describe, with any degree of accuracy, the natureand treatment of fracture of this bone at the radio-carpal articulation. In 1814, Mr. ColleS, of Dublin, Fracture of the head of the radius. gave an account of a fracture which he had repeatedly found at the distance of about an inch and a half above the joint; and morerecently the whole question has been examined anew by some of the French andBritish surgeons, particularly Mr. R. W. Smith, of Dublin. Two circumstances powerfully contribute to the production of this fracture,namely, the large amount of spongy substance* in the inferior extremity of thisbone, and the peculiarity of its connection with the wrist-joint. The relativequantity of this matter in its lower and middle portions, and also the differencein their compact structure, are very striking. These appearances, which aresufficiently conspicuous even in young subjects, are remarkably prominent ia. 922 DISEASES AND IXJUEIES OF BONES. CHAP. VIII. Fig. 399. elderly persons, in whom the spongy substance of this part of the bone is gene-rally exceedingly rarefied and infiltrated with oily matter, while the compact isoften merely a thin crust, hardly as thick as an egg-shell, and scarcely less singular mechanism of the wrist-joint cannot fail to arrest the attention ofthe surgeon. From the intimate manner in which the radius is articulated withthe scaphoid and semilunar bones, any shock received upon the palm of the handis readily communicated to it, causing it, if the force is at all severe, to give wayunder its influence ; whereas the ulna, which has no such close relation, generallyescapes injury. Although fracture of the lower extremity of the radius may happen at anyperiod of life, it is most common in middle-aged and elderly subjects. As a re-sult of indirect violence, I have not seen an in
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