The most important disease of the middle ear and mastoid are inflammations of various kinds and hearing loses. Tumors of the middle ear are rare. In this chapter we'l mainly discussed acute suppurative otitis media (ASOM) and chronic suppurative otitis media (CSOM)
Define定义 Vertigo is defined as a hallucination幻觉of movement. This may be a sensation of turning, spinning, falling rocking, etc Dizziness, although commonly used by the patient as a term to describe the above sensations refers to less severe and