Abstract
scription of its use to mark colonic lesions. Utilizing the above technique, we have marked lesions in 10 patients. The longest interval between marking and surgery was 3 weeks. Although India ink is a relatively inert substance, and is known to stain tissues for some time, we cannot yet predict how much longer than 3 weeks the mark will remain on the colonic serosa. We have noted no ill effects from this procedure in any of our patients. No attempt has been made to sterilize the India ink or the needle, and no evidence of infection has been encoun tered thus far. SUMMARY Small, multiple, or diffuse lesions of the colon may be difficult for the surgeon to localize at operation. Preoperative marking of lesions at the time of colonoscopy can facilitate localization of these lesions at surgery. The technique presented here is simple, inexpensive, and has been effective and safe in our experience to date. REFERENCES 1. MARKS G, MOSES ML: The clinical application offlexible fiberoptic colon
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