CHAPTER 37 OTITIS EXTERNA, MEDIA, AND INTERNA 559
Fig. 37.17.Presence of a large polyp causing the tympanum to bulge into the horizontal ear canal of a
7-year-old male-castrate French bulldog.
Fig. 37.18.Polyp after removal from the ear canal of the patient in Figure 37.17. Note the stalk attached at
the base; polyps often develop from the lining of the middle ear.