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.
There are several different causes of a red or pink eye. The most common is a medical condition known as conjunctivitis, which is why it is often just called pink eye.. Pink eye treatment will depend on what is actually causing the symptoms. Three common conditions are viral, bacterial, and allergic conjunctivitis. For this particular article, we will talk about treatment options for these three main types.