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 a term commonly used to describe red eye and refers to both viral and bacterial infections of the conjunctiva (conjunctivitis). It can also have other causes, such as allergy.Pink eye caused by a virus may involve clear discharge or some amount of pus and mucous discharge.Pink eye caused by bacteria is more common in children than adults and may involve a more continuous and thicker discharge of pus and mucus.ink eye is a term commonly used to describe red eye and refers to both viral and bacterial infections of the conjunctiva (conjunctivitis). It can also have other causes, such as allergy.