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.
Pink eye is an inflammation of the conjunctiva (the covering of the eyeball and inside of the eyelid). This inflammation may lead to redness, tearing, discharge, itching, and pain. Pinkeye is also called conjunctivitis. Pink eye is a nonmedical term that encompasses several medical causes of conjunctivitis. Most eye doctors would probably associate the term pink eye with mild conjunctivitis caused by bacteria or virus. Other causes of conjunctivitis include allergic reaction, and chemical irritation.