View source for Sinuses - Waters view

<div class="WPC-editableContent"><h3>  Radiographic Positioning</h3><br/><table align="bottom" cellpadding="3" class="WPC-edit-border-none" width="100%">  <tr> <td class="" width="38%"> <b>Adult</b></td> <td width="28%"><br/></td> <td class="" width="33%"> <b>Other related pages of interest</b><br/><ul> <li> [[Applied Radiography - by M.J.Fuller|Applied Radiography]] </li><li> [[Radiographic Anatomy]] </li><li> [[Radiographic Protocol Guide|Radiographic Protocols]]</li></ul></td></tr></table><br/><br/><table align="bottom" cellpadding="3" class="WPC-edit-border-all" height="768" width="100%">  <tr> <td class="WPC-edit-borderLeft-solid WPC-edit-borderRight-solid" width="28%">  Name of projection</td> <td class="WPC-edit-borderLeft-solid" width="72%">  Sinuses - Occipito Mental (Waters)</td></tr> <tr> <td width="28%">  Area Covered</td> <td width="72%">Maxillary sinuses with inferior aspect visualised free from superimposing alveolar processes and petrous ridges, the inferior orbital rim and an oblique view of the frontal sinuses</td></tr> <tr> <td width="28%">  Pathology shown</td> <td width="72%">Inflammatory conditions ie: sinusitis, secondary osteomyelitis and sinus polyps</td></tr> <tr> <td width="28%">  Radiographic Anatomy</td> <td width="72%"> [[Sinuses Radiographic Anatomy]]</td></tr> <tr> <td width="28%">  IR Size &amp; Orientation</td> <td width="72%">  18 x 24cm<br/>Portrait </td></tr> <tr> <td width="28%">  Film / Screen Combination</td> <td width="72%">  Regular<br/>(CR and DR as recommended by manufacturer)</td></tr> <tr> <td width="28%">  Bucky / Grid</td> <td width="72%">  Moving or Stationary Grid</td></tr> <tr> <td width="28%">  Filter</td> <td width="72%">  No</td></tr> <tr> <td width="28%">  Exposure</td> <td width="72%">  75 kVp<br/>20 mAs</td></tr> <tr> <td width="28%">  FFD / SID</td> <td width="72%">  100cm</td></tr> <tr> <td width="28%">  Central Ray</td> <td width="72%">  CR perpendicular to IR<br/>CR exits at acanthion</td></tr> <tr> <td width="28%">  Collimation</td> <td width="72%">Collimate closely to area of sinus cavaties</td></tr> <tr> <td width="28%">  Markers</td> <td width="72%">  Inferior and Lateral<br/>Marker orientation PA</td></tr> <tr> <td width="28%">  Shielding</td> <td width="72%">  Gonadal (check your department's policy guidelines)</td></tr> <tr> <td width="28%">  Respiration</td> <td width="72%">  Suspended</td></tr> <tr> <td width="28%">  Positioning</td> <td width="72%"> <ul> <li>  The patient should be seated, facing the upright bucky. <br/> </li><li>  The median sagital plane should be perpendicular to the cassette, this is done by checking the external audiatory meatuses (EAM) and the outer canthi of the eyes. <br/> </li><li>  The patients mentum of the chin should be touching the upright bucky and sufficiently raised to bring the orbito-meatal baseline or radiographic baseline 45<font color="#000000" face="Calibri">°</font> from horizontal. Clearing the maxillary sinuses of the petrous ridge.   </li><li>  CR perpendicular to IR   </li><li>  CR exits at acanthion</li></ul></td></tr> <tr> <td width="28%">  Critique<br/><br/><ul> <li> [[PACEMAN - Image Evaluation technique|PACEMAN]]</li></ul></td> <td width="72%"> <u>Positioning<br/></u> <ul> <li> </li></ul><u>Area Covered   <br/></u> <ul> <li> </li></ul><u>Collimation   <br/></u> <ul> <li> </li></ul><u>Exposure   <br/></u> <ul> <li> </li></ul></td></tr> <tr> <td width="28%">  Special Notes</td> <td width="72%"><br/></td></tr></table><br/></div>