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.
â¢ Anyone With Pink Eye Can Infect You This myth is only true to a certain degree. As youâll learn later on in this guide, pink eye that is caused by viruses and bacteria are contagious, but pink eye caused by chemical irritants or allergens is not. â¢ If Your Eyes Are Red and Swollen, Itâs Automatically Pink Eye