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Related Concept Videos

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Nose and Nasal Cavity01:24

Nose and Nasal Cavity

The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.

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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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[Paranasal sinus carcinoma].

S Vieillot1, P Boisselier, N Aillères

  • 1Département de cancérologie radiothérapie, Université Montpellier I, CRLC Val d'Aurelle - Paul-Lamarque, Rue Croix-Verte, 34298 Montpellier, cedex 5, France. sabinevieillot@yahoo

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique
|December 7, 2010
PubMed
Summary
This summary is machine-generated.

Paranasal sinus cancers are rare, treated with surgery and radiation therapy. Precise radioanatomy knowledge is crucial for advanced 3D conformal radiation planning to improve survival rates.

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Area of Science:

  • Oncology
  • Radiation Oncology
  • Medical Imaging

Background:

  • Paranasal sinus cancers are uncommon malignancies requiring a multidisciplinary treatment strategy.
  • Current treatments involve surgery, radiation therapy, and potentially chemotherapy, achieving a 5-year survival rate of 60-70%.
  • Advancements in radiotherapy, particularly 3D conformal approaches utilizing imaging, necessitate detailed understanding of tumor radioanatomy.

Purpose of the Study:

  • To delineate the specific radioanatomy of paranasal sinus cancers.
  • To outline conformal radiation therapy modalities for these rare tumors.
  • To illustrate these concepts through a clinical case report.

Main Methods:

  • Review of relevant literature on paranasal sinus cancer treatment and radioanatomy.
  • Analysis of imaging data for defining critical structures and target volumes.
  • Case report presentation detailing the application of these principles.

Main Results:

  • Detailed description of paranasal sinus radioanatomy relevant to radiation therapy planning.
  • Identification of key volumes of interest for conformal radiotherapy.
  • Demonstration of precise treatment planning in a clinical scenario.

Conclusions:

  • Accurate radioanatomical knowledge is essential for effective 3D conformal radiation therapy in paranasal sinus cancers.
  • Optimized radiation planning can improve treatment outcomes and potentially survival rates.
  • This study provides a framework for precise radiotherapy in managing these rare tumors.