Muscles Of Floor Of Mouth Radiology

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Muscles of floor of mouth radiology.

Mancuso and robert hermans imaging approach techniques and relevant aspects general examination patients should be positioned with the neck extended so that the mandibular body is perpendicular to the tabletop for either computed tomography ct or magnetic resonance mr study. Each student was asked to label the floor of mouth muscles on the image he or she acquired. Imaging the floor of mouth and sublingual e imaging the sublingual e floor of mouth imaging the sublingual e floor of mouth imaging the sublingual e floor of mouth review of imaging anatomy and pathology the floor mouth. Perceptions about the activity were collected through a survey.

The mylohyoid muscle is flat and triangular and is situated immediately superior to the anterior belly of the digastric muscle it is a pharyngeal muscle derived from the first pharyngeal arch and classified as one of the suprahyoid muscles together the paired mylohyoid muscles form a muscular floor for the oral cavity of the mouth. Ranulas arise either spontaneously or as a result of trauma to the floor of mouth including surgery. Obliteration of the sublingual plane which normally appears as an absolutely symmetric hypodense region between the mylohyoid and geniohyoid muscles is the main feature in ct for detection of small tumors of the floor of the mouth. Oral cavity and floor of the mouth.

During radiologic imaging for tnm classification of squamous cell carcinomas of the oral cavity and the floor of the mouth it is important to assess the extrinsic muscles of the tongue which include the hyoglossus and genioglossus muscles and the mandible as invasion of these structures is indicative of a t4 lesion figs 21 22. After the activity the students were given a quiz on anatomic relationships of the floor of mouth. The two mylohyoid muscles arise from the. The floor of mouth is a u shaped space which extends and includes from the oral cavity mucosa superiorly and the mylohyoid muscle sling 2 3.

In particular small tumors on the floor of the mouth can be missed on ct images. The floor of mouth is an oral cavity subsite and is a common location of oral cavity squamous cell carcinoma. Familiarity with the radiologic imaging appearances of the floor of the mouth and recognition of anatomic landmarks such as the mylohyoid and hyoglossus muscles are especially useful for. When using multidetector computed tomography.

Floor of the mouth the floor of the mouth is a horizontally aligned u shaped space situated in the part of the oral cavity that lies beneath the tongue. All 33 students obtained a floor of mouth image within a three minute time limit.