. Diseases of cattle, sheep, goats and swine. Veterinary medicine. ECHINOCOCCOSIS OF THE LIVER. 287. Fk;. 131.—Ecliinococcus bladder worm or ]iyd;i,tid. visceral lesion, but as they call for a complete examination, the prac- titioner is almost forced to a certain conclusion by the fact that the examination remains negative except in re- •gard to the liver. The liver seems large and sensitive, and may sometimes be considerably hypertrophied, for cases have been seen in the ox vhere the normal weight of 10 to 1'2 lbs. has been increased to 60 or even 100 lbs., while in the pig, whose liver norma
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. ECHINOCOCCOSIS OF THE LIVER. 287. Fk;. 131.—Ecliinococcus bladder worm or ]iyd;i,tid. visceral lesion, but as they call for a complete examination, the prac- titioner is almost forced to a certain conclusion by the fact that the examination remains negative except in re- •gard to the liver. The liver seems large and sensitive, and may sometimes be considerably hypertrophied, for cases have been seen in the ox vhere the normal weight of 10 to 1'2 lbs. has been increased to 60 or even 100 lbs., while in the pig, whose liver normally ^Yeighs 4 lbs., the ^Yeig•ht has been as high as 20 or 40 lbs. In such cases percussion and pal- pation show that the liver extends beyond the right hypochondriac region and invades a large portion of the corresponding flank. But such great enlargement is exceptional, and when only a dozen vesicles are present, al- though the functions of the liver may be seriously disturbed, the information obtained l)y physical examination is seldom sufficient to justify an exact diagnosis. The liver is found to be enlarged and thickened; otherwise the examination gives negative results. The diarrhoea may result from failure of the liver to secrete sufficient bile to destroy intestinal toxins, or to carry on its glycogenic function; but it may possibly be the direct result of chronic intoxication l)y the contents of the vesicles. Experience has shown, in fact, that in man, when a superficial vesicle l)econies ruptured, the peritoneal cavity is flooded with the contents of the cyst; the daughter cysts adhere to the peritoneum, and that almost invari- ably vascular disturbance occurs, accompanied liy itching of the skin and an eruption resembling that of urticaria. The liquid of the vesicles contains an active tox- albumin. Diagnosis. In certain cases, diagnosis is possil)le, and even easy, but in others it is extremely difficult and almost impossible. Prognosis. The prognosis is alwa
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