ANALYSIS OF CRANIUM RADIOGRAPHY RESULTS WITH COMPARISON OF GRID RATIO 8:1 AND RATIOGRID 6:1 TO GET GOOD DENSITY VALUES

Nerifa Dewilza, Sagita Yudha, Mentari Afiifah

Abstract


Grid has several types of ratios, where each ratio is influenced by the plate, the thickness of the plate, the width of the insulating material or interspace and the absorption of radiation. This can affect the density of the resulting radiograph. Based on the observations, the grid used in the Cranium examination, where the grid ratios that are often found are 8:1 and 6:1 grid ratios. Therefore, the purpose of this study is to determine which grid ratio produces good density and can produce good quality cranium radiographs.
This type of research is quantitative with experimental studies. It was carried out at the Radiology Installation of the Siti Rahmah Islamic Hospital, Padang. In May 2022. This research uses the ratio grid, Phantom Cranium and stepwadge. The results of the radiograph are then measured for the density value using a densitometer and displayed in the form of a table and the graph obtained is displayed in the form of tables and graphs.
The results showed that the radiographic density value of the Cranium Ap grid ratio of 8:1 was 0.69 and the 6:1 grid ratio was 0.75. The radiographic density value of the Cranium Lateral grid ratio of 8:1 is 0.67 and the 6:1 grid ratio is 0.88. From the density value, it can be concluded that the result of using the grid ratio on Cranium examination is good, namely the grid ratio of 8:1.

Keywords


Phantom Cranium; Grid Ratio; Density

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DOI: https://doi.org/10.33666/jitk.v14i2.570

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 Published by : Widya Husada Semarang University | ISSN : 2086-8510 (Print) | ISSN : 2655-5875 (Online)
  

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