Muscles Of Floor Of Mouth Ct Anatomy

The anatomy which forms the basis for understanding pathological change is given in detail and illustrated by axial and coronal images and line drawings.
Muscles of floor of mouth ct anatomy. 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. The two mylohyoid muscles arise from the. The floor the floor of the oral cavity consists of several structures. A defect in the mylohyoid muscle sometimes referred to as a boutonniere is a common normal anatomic variant in the floor of the mouth that is seen in as many as 77 of ct examinations.
It provides structural support to the floor of the mouth and pulls the larynx forward during swallowing. 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. Normal ct anatomy of the tongue floor of mouth and oropharynx clinical radiology vol. 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.
Muscular diaphragm comprised of the bilateral mylohyoid muscles. The floor of mouth is an oral cavity subsite and is a common location of oral cavity squamous cell carcinoma. Often in such cases the sublingual salivary gland herniates through the defect into the adjacent submandibular space sometimes producing a clinically. A computed tomography ct technique is described which demonstrates the structures and tissue planes in the floor of mouth tongue and oropharynx.
Oral cavity and floor of the mouth.