Quality control measurements for mobile X-ray unit through a solid state detector

Development of Solid-State Detector for X-ray Computed Tomography

Solid-state detector has recently been used for x-ray Computed Tomography (CT) because it has high light conversion efficiency, quantum efficiency and compact size, compared with Xenon gas detector. In order to reduce radiation dose to the patient in medical x-ray CT, it should be needed to maximize the quantum efficiency and signal-tonoise ratio (SNR) of the detector. In this study, 16-channel...

Patient doses from X-ray computed tomography examinations by a single-array detector unit: Axial versus spiral mode

Background: X-ray computed tomography (CT) examinations deliver a significant amount of radiation doses to patients comparing to conventional radiography examinations. The objective of the current study was to analyze and investigate the average patient received dose from axial and spiral CT exams in a medical imaging center. Material and Methods: In this study, the patient imaging tec...

A Solid State Position Sensitive X-ray Detector for the Lcls : a Proposal for Category C. (letter of Intent)

Entrance surface dose measurements for routine X-ray examinations in Chaharmahal and Bakhtiari hospitals

Background: There is not any report on the radiation doses received by patients in diagnostic radiology sections in hospitals under control of Chaharmahal and Bakhtiari Medical Sciences University, in the south west of Iran. Objectives: The aim of this study is measurement of entrance surface doses (ESD) for the most routine types of X-ray procedures in radiology centers as part of ongoing d...

Performance Evaluation of a Modular Detector Unit for X-Ray Computed Tomography

A research prototype CT scanner is currently under development in our lab. One of the key components in this project is the CT detector. This paper describes the design and performance evaluation of the modular CT detector unit for our proposed scanner. It consists of a Photodiode Array Assembly which captures irradiating X-ray photons and converts the energy into electrical current, and a mini...