. Manual of operative surgery. een operated on for comadue to tumor of the brain and died without regaining consciousness. Theupper end of the femur along with its head was removed under aseptic pre- MALUNION FRACTURES 915 cautions eleven hours after death and was preserved for twenty-four hours insalt solution to which some chloroform had been added. Six weeks afteroperation the result was promising. IV. After removing a central enchondroma from a phalanx, Primrose im-planted an ivory peg of suitable size and shape. A skiagram taken fourteenweeks later showed the peg partially absorbed but su
. Manual of operative surgery. een operated on for comadue to tumor of the brain and died without regaining consciousness. Theupper end of the femur along with its head was removed under aseptic pre- MALUNION FRACTURES 915 cautions eleven hours after death and was preserved for twenty-four hours insalt solution to which some chloroform had been added. Six weeks afteroperation the result was promising. IV. After removing a central enchondroma from a phalanx, Primrose im-planted an ivory peg of suitable size and shape. A skiagram taken fourteenweeks later showed the peg partially absorbed but surrounded by a satisfactoryamount of good bone. Primroses operation, as well as those in which joints aretransplanted from fresh cadavera, are all anticipated in Th. Glucks almostprophetic article published in the Archiv fur klin. Chir., xli, 1890. CHAPTER LXVIIIFRACTURES. MALUNION When fractures have solidly united in bad position or with an excess ofpermanent callus, deformity results. The deformity is often of no importance,. Fig. 1087.—Badly united of section. but when it is disfiguring, operation may be proper; when it is disabling,operation may be obligatory. (A) When excessive callus causes injurious pressure on important nervesor vessels, cut down upon the callus and with a chisel or rongeur forceps removeas much of it as may be necessary. Sometimes it is wise, after freeing the nerve 9i6 FRACTURES. MALUNION or vessel from injurious pressure, to interpose a flap of fascia or muscle betweenthese structures and the bone. (B) Malunion without much shortening, but in a more or less angular posi-tion, requires the same operative treatment as similar deformities due to othercauses. See Osteotomy.
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