Cytology and biopsy are essential for accurate diagnosis of cancer in the gastrointestinal tract. A combination of washing, brushing, and biopsy technics yielded positive diagnoses in 100% of cases of cancer of the esophagus, 93% in stomach cancer, and 100% in cancer of the colon.In the stomach, washing was superior, but in both the esophagus and colon, brushing technics were more accurate.he other patient had a positive brushing. Of the 49 carcinomas, 3 had only positive surgical specimens. Colonic cytologies in 42 patients revealed positive washings in 35, positive brushings in 41, and positive biopsies in 32 of the 42 patients studied. Table II Positive Specimens Obtained from 257 Patients.
Updraft Nebulizers. Smiths Medical provides one of the most extensive lines of small volume nebulizers available, proving once again that Smiths Medical offers more respiratory solutions. Our updraft nebulizer, with the universal enhanced mouthpiece for oral comfort, can be used with the patient lying down or sitting up. Updraft Nebulizers.
Today several manufacturers have also managed to lower the weight of the Jet nebulizer down to 635 grams (22.4 oz), and thereby started to label it as a portable device. Compared to all the competing inhalers and nebulizers, the noise and heavy weight is however still the biggest draw back of the Jet nebulizer.