O slideshow foi denunciado.
Utilizamos seu perfil e dados de atividades no LinkedIn para personalizar e exibir anúncios mais relevantes. Altere suas preferências de anúncios quando desejar.

Radiology of nose and paranasal sinuses

22.253 visualizações

Publicada em

conventional x-ray only,5 types of views with advantages and disadvantages of x-rays

Publicada em: Saúde e medicina
  • www.HelpWriting.net helped me too. I always order there
       Responder 
    Tem certeza que deseja  Sim  Não
    Insira sua mensagem aqui
  • Did you try ⇒ www.HelpWriting.net ⇐?. They know how to do an amazing essay, research papers or dissertations.
       Responder 
    Tem certeza que deseja  Sim  Não
    Insira sua mensagem aqui
  • You can hardly find a student who enjoys writing a college papers. Among all the other tasks they get assigned in college, writing essays is one of the most difficult assignments. Fortunately for students, there are many offers nowadays which help to make this process easier. The best service which can help you is ⇒ www.WritePaper.info ⇐
       Responder 
    Tem certeza que deseja  Sim  Não
    Insira sua mensagem aqui
  • taking surveys for cash online? ●●● https://t.cn/A6ybKmr1
       Responder 
    Tem certeza que deseja  Sim  Não
    Insira sua mensagem aqui
  • Dating for everyone is here: ❶❶❶ http://bit.ly/2Q98JRS ❶❶❶
       Responder 
    Tem certeza que deseja  Sim  Não
    Insira sua mensagem aqui

Radiology of nose and paranasal sinuses

  1. 1. RADIOLOGY OF NOSE AND PARANASAL SINUSES ANDREA R SALINS
  2. 2. Paranasal sinuses  Water’s view  Caldwell view  Lateral view  Submentovertical view  Right and left vertical view
  3. 3. Water’s view  Also called as occipitomental view or nose-chin position  In 1914,Dr C.A.Waters and C.W.Waldron,two British radiologists introduced this view  Nose and chin touch the film and X- ray beam is projected from occipital side  Open mouth view shows sphenoid sinus
  4. 4. Structures seen  Maxillary sinuses(seen best)  Frontal sinuses  Sphenoid sinus  Zygoma  Zygomatic arch  Nasal bone  Frontal process of maxilla  Superior orbital fissure  Intratemporal fossa
  5. 5. Caldwell view  Also called occipitofrontal view or nose-forehead position  Eugene W Caldwell,in 1903 described this view  Nose and forehead touch the film and x-ray beam is projected 15-20º caudally
  6. 6. Structures seen  Frontal sinuses(best)  Ethmoid sinuses,maxillary sinuses  Frontal process of of zygoma and zygomatic process of frontal bone  Superior margin of orbit and lamina papyracea  Superior orbital fissure  Foramen rotundum
  7. 7. Lateral view  Lateral side of skull lies against the film and x-ray beam is projected perpendicular from the other side  Fluid levels of all sinuses can be seen
  8. 8. Structures seen  Anterior and posterior extent of sphenoid,frontal and maxillary sinuses  Sella tursica  Ethmoid sinuses  Alveolar process  Condyle and neck of mandible
  9. 9. Submento vertical (basal) view  This view is taken with vertex near the film and x-ray beam projected at right angles to the film from the submental area
  10. 10. Structures seen  Sphenoid,posterior ethmoid and maxillary sinuses(seen best in that order)  Zygoma and zygomatic arch  Mandible
  11. 11. Right and left oblique view
  12. 12. X-rays for nasal fractures  Lateral view of nasal bones  Occlusal view of nasal bone  Water’s view
  13. 13. Water’s view  Fractures of right and left nasal bones and their lateral displacement can be seen
  14. 14.  Water’s view
  15. 15. Advantages of X-ray imaging  Cost effectiveness  Easy availability
  16. 16. Disadvantages  Plain X-ray have false positivity of 4%  False negativity-more than 30%  Currently available digital imaging techniques provide better bone and soft tissue resolution when compared to conventional X-ray
  17. 17. THANK YOU

×