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Article
March 17, 1917

ECHINOCOCCIC BONE DISEASE: REPORT OF A CASE

Author Affiliations

SAN FRANCISCO

JAMA. 1917;LXVIII(11):839-840. doi:10.1001/jama.1917.04270030171011
Abstract

The invasion of the osseous system by the taenia echinococcus is a rare event. Many surgical textbooks make either no reference or a cursory one to this disorder. After a careful survey of literature, reports of eighty-eight cases have been found.

The relationship of the liver to the alimentary tract makes obvious the relative frequency of involvement of that viscus; but for involvement of bones it would seem that the parasite must gain access to the vena cava, heart and general arterial circulation, although lymphatic distribution has been mentioned by some observers. Trauma appears to play an important predisposing rôle. Long bones most frequently are affected, and their epiphyseal portions are usually the primary focus of disease. A coexisting visceral and osseous involvement is exceedingly rare, and a satisfactory explanation of this fact has not been forthcoming.

The symptoms include a slowly progressive, painless increases in size of the bone,

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