CHAPTER 37 OTITIS EXTERNA, MEDIA, AND INTERNA 555
Fig. 37.8.Pressure from a myringotomy catheter demonstrates the accumulation of fluid behind the tympa-
num in the patient in Figure 37.7.
Fig. 37.9.Postmyringotomy image of the patient in Figure 37.7. Surrounding the myringotomy tube is
mucoid exudate from the middle ear.