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Updated: May 1, 2025
"The things that produce the well-known 'gas gangrene' of the trenches, the gas phlegmon bacilli all sorts, the bacillus aerogenes capsulatus, bacillus proteus, pyogenic cocci, and others, actively gas-forming microbes that can't live in air. The method I took to develop and discover them was that of Col. Sir Almroth Wright of the British army medical corps." "And that is what was on the bullet?"
While it is true that a chronic pyogenic abscess is sometimes met with for example, in the breast and in the marrow of long bones in the great majority of instances the formation of a chronic or cold abscess is the result of the action of the tubercle bacillus. #Sinus.# A sinus is a track leading from a focus of suppuration to a cutaneous or mucous surface.
At a later stage, and especially in neglected cases, operative and other measures may be required for deformity or ankylosis. #Metastatic Forms of Pyogenic Infection# In #pyæmia#, one or more joints may fill with pus without marked symptoms or signs, and if the pus is aspirated without delay the joint often recovers without impairment of function.
In their struggle with the tissues, tubercle bacilli receive considerable support and assistance from any pyogenic organisms that may be present.
The diagnosis is often a matter of considerable difficulty, and the condition is liable to be mistaken for such organic lesions as a tuberculous or pyogenic focus in the bone close to the joint. The greatest difficulty is met with in the knee and hip, where the condition may closely simulate tuberculous disease. The use of the Röntgen rays, or examination of the joint under anæsthesia, is helpful.
When infected with pyogenic bacteria, the thrombus becomes converted into pus and a localised abscess forms; or portions of the thrombus may be carried as emboli in the circulation to distant parts, where they give rise to secondary foci of suppuration pyæmic abscesses.
In some cases the passage of masses of free cocci in the lymphatics, or of infective emboli in the blood vessels, leads to the formation of pyogenic abscesses in vital organs, such as the brain, lungs, liver, kidneys, or other viscera. Hæmorrhage from erosion of arterial or venous trunks may take place and endanger life. Treatment.
In many cases, especially those in which ulceration has occurred, the addition of pyogenic infection may also be concerned in the failure of health. Treatment. Removal by surgical means affords the best prospect of cure.
It is certainly worthy of note that the uterus, peritoneum and intestines showed nothing special, but the liver was full of metastatic abscesses. At the exit of the hepatic vein from the liver there was pus, and its walls were ulcerated at this place. The pus from the liver abscesses was filled with the pyogenic vibrio.
Portions of malignant tumours also may form emboli, and their impaction in the vessels may lead to the development of secondary growths in distant parts of the body. Fat and air embolism have already been referred to. Pyogenic. Non-suppurative inflammation of the coats of an artery may so soften the wall of the vessel as to lead to aneurysmal dilatation.
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