This historic book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1844. Not illustrated. Excerpt: ... that is liable to suppuration; or, at all events, suppuration cannot take place in the solid parts of a bone, unless their tissue be previously expanded and loosened by the effect of chronic inflammation. Whenever a bone suppurates, there is generally more or less absorption of it; and sometimes while the interior texture is removed by the absorbents, so as to leave a considerable cavity, the external shell is expanded, constituting the case technically named spina ventosa. Many inflammations of bone, followed by caries, or necrosis, and by separation of the periosteum originate from inflammation, disease, or injury of the medullary membrane. At length the matter makes its way under the skin, by causing the absorption of parts of the most superficial side of the bony cavity; then a soft swelling and fluctuation occur; and the abscess in time bursts, attended with great diminution of suffering. A collection of pus may continue, however, for a surprising length of time, within the texture of a bone, and keep up very perplexing symptoms. In one of the volumes of the London Med. Chir. Trans., there is a paper by Sir Benjamin Brodie, on small abscesses in the cancellous structure of the tibia, attended with enlargement of the bone, which continued for many years to distress the patient, until the matter was discharged with the trephine. In the writings of the late Mr. Hey, are some other cases of this kind, which were treated in a similar way. When a cavity, or cyst in a bone is full of purulent matter, the making of a prompt and free outlet for it is generally the principal indication; but this rule is not always applicable, where the matter is the product of a specific disease, as such operation would often render the patient's condition worse. With respec...
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