Imaging in ENT
40 Imaging in ENT 40.1 Computed Tomography CT is primarily used to delineate bony anatomy. 1. Unenhanced CT scans are indicated for: • Trauma. • Assessment of sinus anatomy (Fig….
Literature Review and Statistics
46 Literature Review and Statistics The medical literature industry has exponentially grown in the internet era. It is common for inboxes to be flooded by emails purporting ground-breaking data from…
Evoked Response Audiometry
23 Evoked Response Audiometry In response to sound stimulation, neural electrical potentials are produced by various parts of the auditory system from cochlea to cortex. Evoked response audiometry (ERA) is…
Neck Space Infection
55 Neck Space Infection 55.1 Introduction To understand deep neck space infection, it is important to have a clear understanding of the anatomy of the numerous fascial spaces within the…
Oral Lesions
62 Oral Lesions 62.1 Oral Ulcers Oral ulceration is the most common complaint presenting to both primary and specialist care and the aetiology includes a wide variety of both trivial…
Thyroid Disease—Malignant
112 Thyroid Disease—Malignant Thyroid carcinoma (TC) is the most common endocrine malignancy, but it is relatively rare. Current incidence in the United Kingdom is approximately 5 per 100,000 in women;…
Pure-Tone Audiometry
80 Pure-Tone Audiometry Pure-tone audiometry is the cornerstone of clinical auditory assessment. It is a psychoacoustical test which aims to establish the subject’s pure-tone hearing threshold levels at specific frequencies,…
