MR Imaging of Laryngeal Cancer
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1: General Aspects of Laryngeal Cancer.- 1. Introduction.- 1.1. Incidence.- 1.2. Predisposing factors.- 2. TNM staging.- 2.1. Introduction.- 2.2. Clinical classification.- 3. Diagnostic aspects.- 3.1. History.- 3.2. External examination.- 3.3. Laryngoscopy.- 4. Therapeutic options.- 4.1. Radiotherapeutic options.- 4.1.1. Technique.- 4.1.2. Prognostic factors of irradiation treatment.- 4.1.3. Complications due to radiation therapy.- 4.2. Surgical options.- 4.2.1. Laser therapy and microsurgical stripping.- 4.2.2. Laryngofissure and cordectomy.- 4.2.3. Vertical partial laryngectomy.- 4.2.4. Ante...
1: General Aspects of Laryngeal Cancer.- 1. Introduction.- 1.1. Incidence.- 1.2. Predisposing factors.- 2. TNM staging.- 2.1. Introduction.- 2.2. Clinical classification.- 3. Diagnostic aspects.- 3.1. History.- 3.2. External examination.- 3.3. Laryngoscopy.- 4. Therapeutic options.- 4.1. Radiotherapeutic options.- 4.1.1. Technique.- 4.1.2. Prognostic factors of irradiation treatment.- 4.1.3. Complications due to radiation therapy.- 4.2. Surgical options.- 4.2.1. Laser therapy and microsurgical stripping.- 4.2.2. Laryngofissure and cordectomy.- 4.2.3. Vertical partial laryngectomy.- 4.2.4. Antero-frontal laryngectomy for excision of the anterior commissure.- 4.2.5. Supraglottic laryngectomy.- 4.2.6. (Wide-field) total laryngectomy.- 4.3. Chemotherapeutic options.- 5. Therapeutic management.- Tl- and T2-glottic carcinomas.- T1- and T2-subglottic carcinomas.- T2- and T2-supraglottic carcinomas.- T3- and T4-laryngeal cancer.- Nodal metastasis.- References.- 2: The Patterns of Growth And Spread of Laryngeal Cancer.- 1. Introduction.- 2. Spread of cancer in various regions.- 2.1. Cancer of the supraglottic region.- 2.2. Cancer of the glottic region.- 2.3. Cancer of the subglottic region.- 3. Cartilage invasion.- 4. Lymphatic spread.- 5. Vascular and perineural invasion.- References.- 3: The Radiological Examination of the Larynx.- 1. Introduction.- 2. Phonation manoeuvers.- 3. Frontal tomography.- 4. Contrast laryngography.- 5. Computed tomography.- 6. CT versus conventional radiological techniques.- 6.1. CT versus conventional tomography.- 6.2. CT versus contrast laryngography.- References.- 4: General Aspects of MR Imaging.- 1. Introduction.- 2. Technical principles.- 2.1. Properties of atomic nuclei.- 2.2. Resonance.- 2.3. Behaviour of a sample of nuclei.- 2.4. Proton density, tissue characteristics.- 2.5. Spin echo technique.- 3. The equipment.- 3.1. Magnet.- 3.2. Gradient system.- 3.3. Coils.- 3.4. Computer.- 4. Disadvantages of MR imaging.- 4.1. Claustrophobia.- 4.2. Contra-indications.- References.- 5: MR Imaging Techniques of the Larynx.- 1. Surface coils.- 1.1. Coil selection.- 2. Parameters.- 2.1. Pulse sequences.- 2.2. Slice thickness.- 2.3. Slice direction.- 2.4. Matrix size.- 2.5. Number of signal measurements.- 3. Artifacts.- 3.1. Motion artifacts.- 3.2. System artifacts.- 3.3. Chemical shift artifacts.- 3.4. Artifacts due to ferromagnetic implants.- 4. Performance of the laryngeal examination.- References.- 6: MR Imaging of the Normal Larynx.- 1. Introduction.- 2. MR imaging of laryngeal structures.- 2.1. Laryngeal skeleton.- 2.2. Laryngeal compartments.- 3. Landmarks.- 3.1. Hyoid bone.- 3.2. Aryepiglottic fold.- 3.3. False vocal cords.- 3.4. True vocal cords.- 3.5. Subglottic level.- References.- 7: MR Imaging of Laryngeal Cancer.- Abstract.- 1. Introduction.- 2. Materials and methods.- 3. Case reports.- Case 1.- Case 2.- Case 3.- Case 4.- Case 5.- Case 6.- Case 7.- 4. Discussion.- 5. Conclusions.- References.- 8: MR imaging of Normal and Cancerous Laryngeal Cartilages. Histopathological Correlation.- Abstract.- 1. Introduction.- 2. Materials and methods.- 3. Results.- 3.1. Epiglottic cartilage.- 3.2. Thyroid cartilage.- 3.3. Cricoid cartilage.- 3.4. Arytenoid cartilage.- 4. Discussion.- 5. Conclusions.- References.- 9: Dagnosis of Laryngeal Cartilage Invasion by Cancer. Comparison of CT and MR Imaging.- Abstract.- 1. Introduction.- 2. Materials and methods.- 2.1. Imaging techniques.- 2.2. Image interpretation.- 2.3. Pathological findings.- 3. Results.- 3.1. Epiglottic cartilage.- 3.2. Thyroid cartilage.- 3.3. Arytenoid cartilage.- 3.4. Cricoid cartilage.- 3.5. Group of patients for which no pathologic correlation was available.- 3.6. Movement artifacts.- 4. Discussion.- 4.1. Elastic cartilage: epiglottic cartilage.- 4.2. Hyaline cartilage: thyroid, cricoid and arytenoid cartilages.- 5. Summary.- References.- 10: MR Findings of Cartilage Invasion by Laryngeal Cancer. Value in Predicting Outcome of Radiation Therap...
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