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Jalli, Reza, Zarei, Fariba, Chatterjee, Sabyasachi, Ravanfar Haghighi, Rezvan, Novshadi, Alireza, Iranpour, Pooya, Sefidbakht, Sepideh, Vardhan Chatterjee, Vani. (1401). Evaluation of Ultra-Low-Dose Chest CT Images to Detect Lung Lesions. سامانه مدیریت نشریات علمی, 13(2), 299-307. doi: 10.30476/mejc.2021.87355.1410
Reza Jalli; Fariba Zarei; Sabyasachi Chatterjee; Rezvan Ravanfar Haghighi; Alireza Novshadi; Pooya Iranpour; Sepideh Sefidbakht; Vani Vardhan Chatterjee. "Evaluation of Ultra-Low-Dose Chest CT Images to Detect Lung Lesions". سامانه مدیریت نشریات علمی, 13, 2, 1401, 299-307. doi: 10.30476/mejc.2021.87355.1410
Jalli, Reza, Zarei, Fariba, Chatterjee, Sabyasachi, Ravanfar Haghighi, Rezvan, Novshadi, Alireza, Iranpour, Pooya, Sefidbakht, Sepideh, Vardhan Chatterjee, Vani. (1401). 'Evaluation of Ultra-Low-Dose Chest CT Images to Detect Lung Lesions', سامانه مدیریت نشریات علمی, 13(2), pp. 299-307. doi: 10.30476/mejc.2021.87355.1410
Jalli, Reza, Zarei, Fariba, Chatterjee, Sabyasachi, Ravanfar Haghighi, Rezvan, Novshadi, Alireza, Iranpour, Pooya, Sefidbakht, Sepideh, Vardhan Chatterjee, Vani. Evaluation of Ultra-Low-Dose Chest CT Images to Detect Lung Lesions. سامانه مدیریت نشریات علمی, 1401; 13(2): 299-307. doi: 10.30476/mejc.2021.87355.1410

Evaluation of Ultra-Low-Dose Chest CT Images to Detect Lung Lesions

Middle East Journal of Cancer
مقاله 11، دوره 13، شماره 2 - شماره پیاپی 50، تیر 2022، صفحه 299-307    اصل مقاله (4.36 M)
نوع مقاله: Original Article(s)
شناسه دیجیتال (DOI): 10.30476/mejc.2021.87355.1410
نویسندگان
Reza Jalli1؛ Fariba Zarei1؛ Sabyasachi Chatterjee2؛ Rezvan Ravanfar Haghighi* 1؛ Alireza Novshadi1؛ Pooya Iranpour1؛ Sepideh Sefidbakht1؛ Vani Vardhan Chatterjee3
1Medical Imaging Research Center, Department of Radiology, Shiraz University of Medical Sciences, Shiraz, Iran
2Retired Scientist from Indian Institute of Astrophysics, Bangalore, India
3Department of Instrumentation and Applied Physics, Indian Institute of Science, Bangalore, India
چکیده
Background: The present study was conducted to examine the possibility of detecting different types of lung lesions, such as cancer, using ultra-low dose (ULD) chest computed tomography (CT) images.
Method: In this basic (experimental) study with CT images, 20 patients with different lung disease indications were scanned with ULD and routine dose chest CT protocols. ULD and routine dose CT images were reconstructed utilizing iDose and iterative model reconstruction. CT images were evaluated by two expert radiologists. Volume CT dose index (CTDIvol), dose length product, and effective dose were used for dose assessment in both protocols.
Results: CTDIvol and dose length product for ULD protocol were 98% less compared to those for routine chest CT. The chest CT images for ULD and routine dose were diagnosed as normal in three patients with lung lesions, such as nodules, masses, plural effusion, fibrosis, diffuse ground glass opacities, bronchiectasis, and infiltration, in 17 patients. Patient dose of ULD chest CT (0.11mSv) is comparable to Poster-Anterior plus Lateral (0.1 mSv) chest radiograph, while the effective dose due to routine chest CT is about 5.1 mSv.
Conclusion: Diagnostic findings regarding ULD chest CT images with 98% of dose reduction were compared to those for routine dose. We concluded that it may be utilized as a very useful tool for screening and the follow-up of different lung diseases, malignancy for instance. ULD chest CT with 98% of dose reduction could be a suitable substitute for chest radiograph, with higher diagnostic values.
کلیدواژه‌ها
Lung disease؛ Computed tomography؛ Ultra-low dose؛ Dose reduction
اصل مقاله

How to cite this article:

Jalli R, Zarei F, Chatterjee S, Ravanfar Haghighi R, Novshadi A, Iranpour P, et al. Evaluation of ultra-low-dose chest CT images to detect lung lesions. Middle East J Cancer. 2022;13(2):299-307. doi: 10.30476/mejc.2021.87355.1410.

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