Ebook Oral cancer – Diagnosis and therapy: Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Oral cancer – Diagnosis and therapy: Part 2
Ebook Oral cancer – Diagnosis and therapy: Part 2
Management of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2rcinoma; therefore, diagnosis and treatment of cervical nodal disease is one of the most highly debated topics among head and neck surgeons. Imaging modalities currently available in clinical practice include ultrasonography, computed tomography, magnetic resonance imaging, and positron emission tom Ebook Oral cancer – Diagnosis and therapy: Part 2ography. However, none of these methods can independently confirm occult metastasis. A patient’s risk of regional metastasis is determined through cliEbook Oral cancer – Diagnosis and therapy: Part 2
nicopathological evaluation of the primary tumor. Elective management of the neck is warranted when the risk of occult metastasis is >20 %. In these sManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2section (SND |1-III>1 is generally required; however. SND <1—IV) is recommended for patients with tongue squamous cell carcinoma. Modified radical neck dissection is the gold standard for the N-positive neck: however. SND is applicable in selected patients. For patients with multiple node metastases Ebook Oral cancer – Diagnosis and therapy: Part 2 or extracapsular spread. postoperative radiotherapy or chemoradiotherapy is recommended as soon as possible after surgery.KeywordsExtracapsular spreaEbook Oral cancer – Diagnosis and therapy: Part 2
d of tumor • Level • Neck dissection • Occult node metastasis• Postoperative radiolhcrapy/chemoradiotherapy8.1IntroductionOral squamous cell carcinomaManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2therapy. The presence of regional metastatic disease decreases the cure rate by approximately 50 % [I. 2|. The status of the cervical lymph nodes is one of the most significant prognostic factors for patients with OSCC; therefore.diagnosis and treatment of cervical nodal disease is one of the most h Ebook Oral cancer – Diagnosis and therapy: Part 2ighly debated topics among head and neck surgeons. This chapter examines various approaches used to evaluate and treat patients with regional nodal diEbook Oral cancer – Diagnosis and therapy: Part 2
sease.K. Omura. D.D.S., Ph D. (M)Tokyo Medical and Dental University. Tokyo. JapanOral Cancer Center. Tokyo General Hospital. Tokyo. Japan c-mail: omuManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2cattered throughout the face and neck. There arc approximately 300 lymph nodes in the face and neck region |3|. Cervical lymph nodes are categorized into six nodal groups or levels from I through VI; levels 1.11. and V are further divided into sublevels A and B (4, 51 (Table 8.1). This classificatio Ebook Oral cancer – Diagnosis and therapy: Part 2n does notT. Kirita and K. Omura (cds.). Oral Cancer. Diagnosis anil Therapy, DOI to. 1007/978-4-431-54938-3-8.Ebook Oral cancer – Diagnosis and therapy: Part 2
vical lymph node levelsLevelLymph node groupBoundarySuperiorIASubmental nodesSy mphysisof mandibleIBSubmandibular nodesBody of mandibleHAUpper jugularManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2lane defined by the inferior bonder of the hyoid boneIVLower jugular nodesHorizontal plane defined by the inferior border of the cricoid cartilageVAPosterior triangle nodes (spinal accessory group)Apex of the convergence of the sternocleidomastoid and trapezius musclesVBPosterior triangle nodes (tra Ebook Oral cancer – Diagnosis and therapy: Part 2nsverse cervical artery- group, suptaclav ieular group)Horizontal plane defined by the inferior border of the cricoid cartilageV!Central (anterior) coEbook Oral cancer – Diagnosis and therapy: Part 2
mpartment lymph nodes (parati-acheal, perithyroidaL Delphian)Hyoid boneInferiorAnterior (medial jPosterior (lateral)Body of hyoid boneAnterior belly oManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2 plane defined by the interior border of the hyoid boneStylohyoid muscleVertical plane defined by the spinal accessory nerveHorizontal plane defined by the inferior bonier of the hyoid boneVertical plane defined by the spinal accessory neneLateral border of the sternocleidomastoid muscleHorizontal p Ebook Oral cancer – Diagnosis and therapy: Part 2lane defined by the inferior bonier of the cricoid cartilageLateral border of the sternohyoid muscleLateral border of the sternocleidomastoid muscle oEbook Oral cancer – Diagnosis and therapy: Part 2
r sensory branches of the cervical plexusClavicleLiteral border of the sternohyoid muscleLateral border of die sternocleidomastoid muscle cr sensory bManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell car Ebook Oral cancer – Diagnosis and therapy: Part 2 or sensory branches of the cervical plexusAnterior border of the trapezius muscleManagement of the NeckKen OmuraAbstractRegional nodal status is one of the most significant prognostic factors in patients with oral squamous cell carGọi ngay
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