. Medical diagnosis for the student and practitioner. ough found occasionally in Germany, and now andthen met with among the Icelanders who have settledin British Columbia. The worm is not more thar. %inch in length, and belongs properly to the dog. It iscomposed of three or four segments and the matureterminal portion is but 2 mm. long and mm. wide,though it may contain several thousand eggs. Thehead shows a rostellum, four suckers and two rows of hooklets: theembryo, provided with six hooks and arranged in pairs, makes its waythrough the intestinal wall and may enter the portal vessel an
. Medical diagnosis for the student and practitioner. ough found occasionally in Germany, and now andthen met with among the Icelanders who have settledin British Columbia. The worm is not more thar. %inch in length, and belongs properly to the dog. It iscomposed of three or four segments and the matureterminal portion is but 2 mm. long and mm. wide,though it may contain several thousand eggs. Thehead shows a rostellum, four suckers and two rows of hooklets: theembryo, provided with six hooks and arranged in pairs, makes its waythrough the intestinal wall and may enter the portal vessel and be carriedfrom the liver and the systemic vessels by which it reaches the brain or otherdistant organs, or it may remain encysted in the peritoneal cavity or thesurrounding muscles. It is thought that this embryo may find entrance through infected dustas well as through drinking water, and in Australia and Iceland, where thedisease is most prevalent, the dogs are very generally infected and therelation between them and their masters is very 7::- _-_ —Ten::.Echinococcus.(Bran*.)* ECHINOCOCCUS CYSTS 969 General Symptoms of Hydatids. Diagnosis primarily depends uponthe presence of a cystic tumor and upon the recovery of hooklets from fluids or obtained by puncture. The presence of hydatid disease inother portions oi the body is of course suggestive. In the liver the symptomsare more distinct. owing to the fact that these cysts when superficial yield Tumor,to the pleximeter finger upon percussion a peculiar echoing vibration knownas the hydatid thrill. They may be large, and, in this location, produce Percussion Such thrill. Four varieties various pressure symptoms, or pyemic symptoms if they suppuratecysts, like hepatic abscesses, may rupture in almost any direction. The complement-hxation test is referred to elsewhere. It would seemprobable that it is not specific for Tenia echinococcus, but for the group ofTenia, CIRRHOSIS OF THE LIVER Basic Patho
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdiagnos, bookyear1922
