How a polyp biopsy is taken depends on the location: 1  Colonoscopy or flexible sigmoidoscopy explores the large bowel. 2  Colposcopy-directed biopsy examines the vagina and cervix. 3  Esophagogastroduodenoscopy (EGD) or other endoscopy is used for the throat, stomach, and small bowel.  Laryngoscopy is used for the nose and throat.
11 doctors agreed: Several: Possible causes of pink eye (conjunctivitis) include bacterial or viral infection, allergic reaction, rosacea, dry eye, and autoimmune disease.
Pinkeye is a common name for conjunctivitis, a condition that causes inflammation and redness of the membranes inside the eyes. Viruses, bacterial infections, allergies, or chemical agents can cause pinkeye. Sometimes it is the result of a chronic medical condition. Most commonly, a virus or bacterial infection causes pinkeye.