Instrumental Operative and Needle Track Seeding

Implantation of tumor cells may be a rare consequence of endoscopic surgical techniques and percutaneous biopsy or therapy. In a European review of 90,000 cases of fine-needle biopsies, only 6 cases of needle-track seeding were reported,204 whereas an American review reported a needle-track seeding rate of 1 in 20,000.205 Plaquelike subcutaneous infiltration may superficially resemble omental caking206 (Fig. 4-194), or discrete peritoneal nodules207 may be evident (Fig. 4-195).

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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