A system of surgery . 879) ahundred and ten cases of pyaemia are recorded. Abscesses oc-curred in the lungs in fifty-seven of these, in the joints in twenty,in the liver in twelve, in the spleen in eleven, and in the kidneys insix. The above refers, of course, to gross lesions which could easily beseen with the naked eye. Ma kins and Abbott have tabulated twohundred cases of pysemia in which the infection was introduced in allkinds of ways. These figures give a slightly different result. Thejoints were affected in seventy-six cases, the lungs in sixty-six, thelungs and pleura in seventeen, the
A system of surgery . 879) ahundred and ten cases of pyaemia are recorded. Abscesses oc-curred in the lungs in fifty-seven of these, in the joints in twenty,in the liver in twelve, in the spleen in eleven, and in the kidneys insix. The above refers, of course, to gross lesions which could easily beseen with the naked eye. Ma kins and Abbott have tabulated twohundred cases of pysemia in which the infection was introduced in allkinds of ways. These figures give a slightly different result. Thejoints were affected in seventy-six cases, the lungs in sixty-six, thelungs and pleura in seventeen, the pleura in sixteen, the liver in ten,the spleen in twenty-two, and the kidneys in seventeen. Abscessesoccurred in the areolar tissues in twelve of the Pathological Societyscases, and in sixty-nine of those of Makins and Abbott. In pyaemia associated with acute infective osteomyelitis, necrosis,and acute suppurative periostitis, acute suppurations are common inthe heart and pericardium. In Makins and Abbotts tables the. Fig. 32.—Section of the Wall of a Pysemic Abscess, stainedby Grams method. (From a drawing by C. B. Lock-wood.) POST-MORTEM APPEARANCES. 181 pericardium was affected in 36-5 per cent., and the myocardium in26-8. In pysemia due to other causes the proportion was only 6*5per cent, for the pericardium, and 2 per cent, for the Stephen Paget says that in eighteen cases of acute necrosis, tenhad abscess of the heart, and eleven abscess or infarction of thekidney. Out of one hundred and forty cases of pysemia afteramputation, one had abscess of the heart, and one abscess of thekidney. Mr. Paget has also shown that parotitis is common afterinjuries to the abdomen and pelvis, and is often pysemic in origin. It is an observation as old as Hippocrates that after injuries ofthe cranium and its venous sinuses pysemic abscesses are formedin the liver. Out of two hundred and seventeen cases of pysemiaafter injuries involving the medulla of bone, fifty-six had a
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