THE METHOD to be described in this paper is an extension of that of Markowitz, Yater, and Burrows.1 The introduction of silicone by our colleague, Jacques, and the availability at surgical supply houses of blood vessel suture ready for use, together with considerable experience over the past two decades, has prompted us to publish this method in its present form.
The operation of hepatectomy in the dog is a difficult technical procedure. When badly done the operation results in hemorrhage and shock; any studies made have to be considered in the light of these complicating factors. When done well hepatectomy results in a preparation that is seemingly normal for at least 12 hours; the duration of survival and the postoperative behavior following this time depend upon such uncontrollable circumstances as prothrombin, bleeding, and the general viability of the animal that has been selected essentially at random. Although the liver