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.
noun. 1  a device for converting a drug in liquid form into a mist or fine spray which is inhaled through a mask to provide medication for the respiratory system. 2  A nebulizer is a device used to administer medication in the form of a mist inhaled into the lungs. In a nebulizer, a pump pressurizes the air, then dispenses the medication in a fine mist. A nebulizer changes medication from a liquid to a mist so that it can be inhaled more easily. A nebulizer is a device used to administer medication in the form of a mist inhaled into the lungs. Collins English Dictionary.