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September 29, 2025Open Access

The applications of X-ray technology in medical imaging: advances, challenges, and future perspectives (A review)

Key Points

X-ray imaging remains crucial in medicine despite challenges related to ionizing radiation and soft-tissue contrast.
Technological innovations, such as digital radiography and AI, enhance image quality and diagnostic accuracy for conditions like pneumonia.
Multislice contrast-enhanced CT enables fast, non-invasive imaging with good spatial resolution for diagnosing complex conditions.
Continuous advancements in x-ray technology are vital for maintaining its relevance in medical diagnostics and ensuring optimized patient safety.

Abstract

In 1895, Wilhelm Conrad Röntgen (1845–1923) pioneered X-ray imaging, which revolutionized medical diagnosisand modern healthcare. X-ray imaging's fundamentals, therapeutic uses, technology advances, and future directions areexamined in detail. X-rays contrast bone and soft tissues by attenuation, absorption, and scattering. X-ray medical usage. Indiagnostic radiography, it is best for fracture diagnosis, chest pathology, including pneumonia, lung cancer, and dentalchecks. Angiography, catheter insertion, and GI (gastrointestinal issues) diagnostics benefit from real-time dynamicfluoroscopy. Early breast cancer detection is improved by mammography, especially DBT (Digital breast tomosynthesis).Cross-sectional X-ray imaging using multi-slice contrast-enhanced CT (Computed Tomography). Fast, inexpensive, noninvasive, good spatial resolution for osseous structures, and widely available in healthcare, X-ray imaging. These benefits arenegated by ionizing radiation dangers (requiring rigorous ALARA (As Low as Reasonably Achievable) standards), worsesoft-tissue contrast compared to MRI (magnetic resonance imaging) or ultrasound, limited 3D visualization without CT, andtechnical challenges in obese or anatomically complex patients. Technological advances alter X-rays. Digital radiography hasenhanced image quality, workflow efficiency, and fracture and pneumonia screening accuracy using AI. Low-dose imaging,especially in kids, and portable critical care point-of-care technology advances. Photon-counting CT, phase-contrast imaging,and dark-field X-rays will depict soft tissues like never before, while AI (Artificial Intelligence) will speed up and improvediagnosis. Reduced doses optimize X-ray risk-benefit ratios. X-rays' efficiency, accessibility, and diagnostic ability makethem crucial in medicine, even as other imaging technologies emerge. This study emphasizes the necessity for ongoinginnovation to overcome limitations and preserve precision medicine benefits. X-ray imaging will remain vital to medicaldiagnostics with improved technology and safety precautions.

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