China
Africa
Explore chapters and articles related to this topic
Introductory Aspects of Head and Neck Cancers
Published in Loredana G. Marcu, Iuliana Toma-Dasu, Alexandru Dasu, Claes Mercke, Radiotherapy and Clinical Radiobiology of Head and Neck Cancer, 2018
Loredana G. Marcu, Iuliana Toma-Dasu, Alexandru Dasu, Claes Mercke
Floor of mouth: The floor of mouth is a space extending from the lower alveolar ridge to the undersurface of the tongue. It overlies the mylohyoid and hyoglossus muscles. The mylohyoid muscles extend from linea mylohyoidea on the inside of the mandible and meet in the midline in a fibrous band, covering a distance from the inside of the chin to the hyoid bone. The floor of mouth is reinforced by two other muscles, posteriorly by the geniohyoid muscle and ventrally by the anterior part of the digastric muscle. The muscular part of the floor of mouth is not complete since mylohyoid muscle does not reach the posterior ramus of the jaw.
Neck
Published in Harold Ellis, Adrian Kendal Dixon, Bari M. Logan, David J. Bowden, Human Sectional Anatomy, 2017
Harold Ellis, Adrian Kendal Dixon, Bari M. Logan, David J. Bowden
The way in which the lingual artery (44) passes deep to the hyoglossus muscle (4) to supply the tongue is demonstrated. On CT imaging, precise definition of the various intrinsic muscles of the tongue is difficult unless the fat planes are very pronounced.
The Conception Vessel (CV)
Published in Narda G. Robinson, Interactive Medical Acupuncture Anatomy, 2016
“Pharyngocise” to Improve Swallowing Function: Patients who receive external beam radiotherapy for oropharyngeal cancer are at risk of developing swallowing dysfunction from deep tissue fibrosis.9 Considering the concomitant problems of dry mouth (xerostomia), mucositis, and edema, patients avoid swallowing even more. In order to counter disuse atrophy, patients who perform swallowing exercises reduce the occurrence of dysphagia-related complications. Research suggests that muscles involved in swallowing, i.e., the genioglossus, hyoglossus, and mylohyoid, deteriorate less with pharyngocise; functional swallowing, mouth opening, salivation rate, and chemosensory acuity are maintained better in patients who performed pharyngocise than those who do not.
Preliminary application and evaluation of autograft reconstruction of parotid duct defect with submandibular gland duct for buccal cancer
Published in Acta Oto-Laryngologica, 2020
Ruohuang Lu, Zhiqiang Xiao, Xincheng Guo, Pingping Gan
In the cervical lymphadenectomy for buccal cancer surgery, the I region is a lymph node group including the infraorbital triangle and the submandibular triangle. The submandibular gland needs to be removed, and the submandibular gland duct needs to be ligated [13]. The mandibular gland duct is 4.6 ± 0.5 cm in length, and the tube diameter is 3.0 ± 0.9 mm on average. The gland is between the mandibular lingual muscle and the hyoglossus muscle. The inferior mandibular gland of the submandibular gland passes through the mandibular gland duct to the inner side of the sublingual gland and then to the deep side of the oral mucosa. In the neck dissection, the duct from the submandibular gland to the sublingual gland is usually removed, approximately 3 to 4 cm, and the parotid duct defect is generally approximately 2 to 4 cm. Therefore, the length of the submandibular gland is sufficient to reconstruct the length of the parotid duct defect.
Airway geometry, airway flow, and particle measurement methods: implications on pulmonary drug delivery
Published in Expert Opinion on Drug Delivery, 2018
A. Kourmatzis, S. Cheng, H.-K. Chan
A key part of the airway is the tongue which comprises of eight sets of muscles (four intrinsic and four extrinsic) which are known to work in a concerted effort to ascertain complex tasks such as swallowing, speech, and breathing [67]. The four extrinsic muscles, namely the genioglossus, hyoglossus, styloglossus, and palatoglossus, play an important role in maintaining the size of the airway during respiration by protruding (geniogossus and palatoglossus) or retracting (hyoglossus and styloglossus) the tongue and these movements act to increase and decrease airway size behind the tongue, respectively. Depending on the type of ventilation (oral or nasal), other muscles of the soft palate can also be activated during respiration [68–70]. Although the role of upper airway muscles is to help ensure oropharynx patency, the function and efficacy of these muscles vary between individuals and can be affected by factors such as obesity due to increased airway lateral fat pads which narrow the upper airway size or by craniofacial features (e.g. bony structures crowding the airway) [71]. Knowledge of how the function or activation of these muscles affects the transport of inhaled drug delivery through alteration of the airway is unclear, although it is widely known that the majority of inhaled drug particles are entrapped in the oropharynx, where dynamic tongue tissue motion is significant.
Inflammatory Myofibroblastic Tumor of the Tongue. Report of a Pediatric Case and Review of the Literature
Published in Fetal and Pediatric Pathology, 2018
Chiara Caporalini, Selene Moscardi, Angela Tamburini, Nicola Pierossi, Marco Di Maurizio, Anna Maria Buccoliero
A 10-month-old male infant was admitted to A. Meyer Children Hospital of Florence, Italy, for drooling, night dyspnea, and macroglossia. Oral examination revealed a firm, solitary, non ulcerated mass on the left side of the tongue. Magnetic resonance imaging (MRI) revealed a lesion with a maximum sagittal diameter of about 5 centimeters (cm) and a transverse diameter of about 3.5 cm. It affected the whole left part of the tongue, with infiltration of the buccal floor on the left side. The lesion extended to the right side of the lingual body and infiltrated the genioglossus and hyoglossus muscles. The mass was characterized by hyperintensity on T2 and STIR sequences with obvious and inhomogeneous enhancement after contrast injection. [Figure 1]