By Robert Hermans

Imaging is essential within the multidisciplinary method of head and neck melanoma administration. The swift technological improvement of contemporary years makes it priceless for all individuals of the multidisciplinary group to appreciate the capability purposes, obstacles, and merits of latest and evolving imaging applied sciences. it truly is both very important that the radiologist has adequate scientific heritage wisdom to appreciate the medical value of imaging findings. This e-book presents an summary of the findings bought utilizing varied imaging options through the evaluate of head and neck neoplasms, either prior to and after treatment. All anatomic parts within the head and neck are coated, and the effect of imaging on sufferer administration is mentioned intimately. The authors are famous specialists within the box, and various fine quality photos are integrated. This moment version presents info at the most up-to-date imaging advancements during this zone, together with the appliance of PET-CT and diffusion-weighted magnetic resonance imaging.

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The lower availability of MRI, resulting in a longer waiting list, and its higher cost should also be taken into consideration. In many institutions, CT is the preferred imaging method for evaluation of laryngeal and hypopharyngeal cancer, as well as of oral cavity and oropharyngeal cancer. These cancer sites constitute about 80–85% of all head and neck malignancies (excluding skin cancer and lymphoma) in Europe and the USA. In most cases, a dedicated CT study will provide all answers needed by the clinician; in such a setting, MRI is used as complementary tool to solve remaining questions.

The most widely used technique is CT, as it has a number of important advantages over MRI: • wide availability • relative low cost • easy to execute this in a reproducible way • short examination time, resulting in less image quality degradation caused by motion, such as swallowing and respiration • superior bone detail • high quality multiplanar imaging on multidetector CT systems • easy extend of the study into the upper thoracic cavity or intracranial cavity, if needed • easier interpretation, especially regarding nodal involvement (Curtin et al.

Dyspnoea and stridor occur with bulky supraglottic tumors or in the presence of vocal cord fixation. In most instances the diagnosis is made by a thorough clinical examination which includes mirror examination of the larynx for adequate assessment of the surface extent of the primary tumor and mobility of the vocal cords. Examination must be carried out carefully to identify the possible spread of tumor beyond the larynx either directly or by metastasis to the regional lymph nodes. A neck mass almost always indicates lymphatic metastasis but may result from direct extension of the tumor into the soft tissues of the neck.

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