Monthly Archives: February 2009

PARP 5th Biennial Convention – Cebu Chapter

Hariette A.W.

The Philippine Association for Radiation Protection (PARP) – Cebu Chapter will hold their 5th Biennial Chapter Convention on 7 March 2009. The theme for the Convention is: “Meeting New Challenges in Radiation Protection: The New ICRP Recommendations”. PARP-Cebu aims to provide a medium by which its members can communicate more readily with others and through this process, advance the science of radiation protection. The peaceful applications of radiation in our country have continued to increase which brings to fore the need to draw greater consciousness of safety in the use of radiation. In this regard, the role that organizations like Click Here To Read More

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Important Notes on Paranasal Sinuses (PNS) Imaging

Hariette A.W.

PNS – air containing cavities of maxillary, frontal, ethmoidal and sphenoidal of cranium and maxillary bones of face At birth- sufficiently well- developed and generated Other PNS- completely developed 17- 18 years Other name of sinus- antrum Exudates- are heavy, semi- gelatinous matrial which links to the walls and takes several minutes depending on viscosity to shift position PNS projections: 1. lateral px supine 2. lateral px prone 3. lateral px erect 4. PA px erect During the PNS projection unless perfectly taken: Over penetrated- shadow not seen Underdeveloped- produces shadow (not pathological) 4-5 projections to demonstrate all the PNS Click Here To Read More

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Caldwell Method: Frontal and Anterior Ethmoidal Sinuses PA Axial Position

Hariette A.W.

Film: 8 x 10 (18 x 24cm) Position of patient: Upright position- center the MSP to the midline of the grid Horizontal CR Method Position of patient: Tilt the head unit so an angle of 15 degrees open, superiorly before positioning the patient, is obtained. The Cr is directed horizontally; the 15 degree relationship bet. The film and radiographic tube remains unchanged. The patient’s neck is slightly extended, rest the forehead and nose on the device and center the nasion to the cassette. The MSP and IOML are perpendicular to the plane of film. Respiration is suspended. Angled CR Method Click Here To Read More

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