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Tomography, Volume 11, Issue 10

2025 October - 11 articles

Cover Story: Adolescent idiopathic scoliosis (AIS) often requires repeated imaging for diagnosis and surgical planning, raising concerns about cumulative radiation exposure in young patients. Computed tomography (CT) provides precise anatomical information, but its relatively high radiation dose remains a limitation. This study evaluated the effectiveness of spectral shaping using a tin (Sn) filter to reduce radiation dose during CT imaging in AIS patients. The technique removes low-energy photons, reducing unnecessary exposure while maintaining sufficient image quality for surgical navigation. Low-dose CT (LDCT) with spectral shaping achieved a marked reduction in effective and organ doses compared with normal-dose CT (NDCT) without compromising image quality. This approach offers a safer imaging option for young patients with scoliosis who require multiple examinations. View this paper
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Articles (11)

  • Article
  • Open Access
1 Citations
2,784 Views
16 Pages

Diagnostic Performance of CBCT in Detecting Different Types of Root Fractures with Various Intracanal Post Systems

  • Serhat Efeoglu,
  • Ecem Ozgur,
  • Aysenur Oncu,
  • Ahmet Tohumcu,
  • Rana Nalcaci and
  • Berkan Celikten

21 October 2025

Objective: This study aimed to evaluate the diagnostic accuracy of two cone beam computed tomography (CBCT) devices using 18 imaging modalities in detecting root fractures—vertical, horizontal, and oblique—in teeth with intracanal post sy...

  • Article
  • Open Access
1 Citations
1,761 Views
25 Pages

20 October 2025

Objective: Medical Visual Question Answering (Med-VQA), a key technology that integrates computer vision and natural language processing to assist in clinical diagnosis, possesses significant potential for enhancing diagnostic efficiency and accuracy...

  • Article
  • Open Access
3 Citations
2,001 Views
15 Pages

12 October 2025

Objective: This study aimed to retrospectively evaluate the anatomical structure, dimensions, and variations in the nasopalatine canal using cone beam computed tomography (CBCT) in patients undergoing implant treatment in the maxillary anterior regio...

  • Article
  • Open Access
3 Citations
3,536 Views
11 Pages

Can Clinical Scores Reduce CT Use in Renal Colic? A Head-to-Head Comparison

  • Ramazan Kıyak,
  • Meliha Fındık,
  • Bahadır Çağlar,
  • Süha Serin,
  • Gökhan Taşkın and
  • Ahmet Buğra Önler

9 October 2025

Objective: Non-contrast computed tomography (CT) remains the gold standard for diagnosing ureteral stones, with excellent sensitivity and specificity. However, reliance on CT alone raises concerns regarding cumulative radiation exposure, particularly...

  • Article
  • Open Access
1 Citations
2,358 Views
19 Pages

Murine Functional Lung Imaging Using X-Ray Velocimetry for Longitudinal Noninvasive Quantitative Spatial Assessment of Pulmonary Airflow

  • Kevin A. Heist,
  • Christopher A. Bonham,
  • Youngsoon Jang,
  • Ingrid L. Bergin,
  • Amanda Welton,
  • David Karnak,
  • Charles A. Hatt,
  • Matthew Cooper,
  • Wilson Teng and
  • Brian D. Ross
  • + 2 authors

2 October 2025

Background/Objectives: The recent development of four-dimensional X-ray velocimetry (4DXV) technology (three-dimensional space and time) provides a unique opportunity to obtain preclinical quantitative functional lung images. Only single-scan measure...

  • Article
  • Open Access
3 Citations
2,798 Views
15 Pages

Quantitative Volumetric Analysis Using 3D Ultrasound Tomography for Breast Mass Characterization

  • Maria L. Anzola,
  • David Alberico,
  • Joyce Yip,
  • James Wiskin,
  • Bilal Malik,
  • Raluca Dinu,
  • Belinda Curpen,
  • Michael L. Oelze and
  • Gregory J. Czarnota

30 September 2025

Breast cancer detection remains a significant challenge, with traditional mammography presenting barriers such as discomfort, radiation exposure, high false-positive rates, and financial burden. Moreover, younger women frequently fall outside routine...

(This article belongs to the Special Issue Imaging in Cancer Diagnosis)
  • Article
  • Open Access
2 Citations
2,661 Views
15 Pages

29 September 2025

Background/Objectives: Children with adolescent idiopathic scoliosis (AIS) require repeated imaging, primarily standing spine radiography, while CT may be required for surgical planning, resulting in higher radiation exposure. Spectral shaping using...

  • Article
  • Open Access
3 Citations
1,410 Views
10 Pages

Three-Dimensional Volumetric Iodine Mapping of the Liver Segment Derived from Contrast-Enhanced Dual-Energy CT for the Assessment of Hepatic Cirrhosis

  • Yosuke Kawano,
  • Masahiro Tanabe,
  • Mayumi Higashi,
  • Haruka Kiyoyama,
  • Naohiko Kamamura,
  • Jo Ishii,
  • Haruki Furutani and
  • Katsuyoshi Ito

29 September 2025

Objective: This study aimed to evaluate the hepatic volume, iodine concentration, and extracellular volume (ECV) of each hepatic segment in cirrhotic patients using three-dimensional (3D) volumetric iodine mapping of the liver segment derived from co...

  • Article
  • Open Access
2 Citations
1,739 Views
12 Pages

Diagnostic Performance of GPT-4o Compared to Radiology Residents in Emergency Abdominal Tomography Cases

  • Ahmet Tanyeri,
  • Rıdvan Akbulut,
  • Cuma Gündoğdu,
  • Tuğba Öztürk,
  • Büşra Ceylan,
  • Nasır Fırat Yalçın,
  • Ömer Dural,
  • Selin Kasap,
  • Mehmet Burak Çildağ and
  • Yelda Özsunar
  • + 1 author

26 September 2025

Purpose: This study aimed to evaluate the diagnostic performance of GPT-4 Omni (GPT-4o) in emergency abdominal computed tomography (CT) cases compared to radiology residents with varying levels of experience, under conditions that closely mimic real...

  • Article
  • Open Access
1,678 Views
14 Pages

Bedside Small-Bowel Challenge vs. Fluoroscopic Series for SBO: A Cost Effectiveness Analysis

  • Aravinda Krishna Ganapathy,
  • Liam Cunningham,
  • M. Hunter Lanier,
  • Selasi Nakhaima,
  • Madelyn Thiel,
  • Daniel Hoffman,
  • Obeid Ilahi,
  • David H. Ballard and
  • Vincent M. Mellnick

26 September 2025

Background: Small bowel obstruction (SBO) accounts for 12–16% of surgical hospital admissions and can lead to complications such as bowel ischemia. Traditional management requires transporting patients to the Radiology Department (RD) for a flu...

  • Article
  • Open Access
1 Citations
1,657 Views
17 Pages

Flow-Compensated vs. Monopolar Diffusion Encodings: Differences in Lesion Detectability Regarding Size and Position in Liver Diffusion-Weighted MRI

  • Alessandra Moldenhauer,
  • Frederik B. Laun,
  • Hannes Seuss,
  • Sebastian Bickelhaupt,
  • Bianca Reithmeier,
  • Thomas Benkert,
  • Michael Uder,
  • Marc Saake and
  • Tobit Führes

23 September 2025

Background/Objectives: Diffusion-weighted imaging (DWI) of the liver is prone to cardiac motion-induced signal dropout, which can be reduced using flow-compensated (FloCo) instead of monopolar (MP) diffusion encodings. This study examined differences...

(This article belongs to the Section Abdominal Imaging)
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Tomography - ISSN 2379-139X