Photon-Counting CT in Clinical Application

A special issue of Diagnostics (ISSN 2075-4418). This special issue belongs to the section "Medical Imaging and Theranostics".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 749

Special Issue Editor


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Guest Editor
Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, 97080 Würzburg, Germany
Interests: photon-counting CT; spektral imaging; tissue characterization; cardiovascular imaging

Special Issue Information

Dear Colleagues,

The Special Issue “Photon-Counting CT in Clinical Application” focuses on the use of photon-counting technology in clinical application and the resulting possibilities for optimized patient care.

Photon-counting CT has now been applied in many institutions in everyday routine care, and studies are becoming increasingly patient-oriented as a result. The main topic of the research is on the various application possibilities of spectral imaging, tissue characterization, and the advantages of higher spatial resolution made possible by the new detector principle.

The purpose of this Special Issue is to bundle innovative photon-counting CT patient studies or studies with a direct link to patient care, regardless of the specialist discipline.

Dr. Philipp Gruschwitz
Guest Editor

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Keywords

  • protocol development and optimization
  • spectral imaging
  • tissue characterization
  • lesion classification
  • benefits of special resolution
  • radiation dose optimization
  • contrast agent

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Published Papers (1 paper)

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5 pages, 2987 KB  
Interesting Images
Aberrant ICA and Associated Skull Base Foramina Visualized on Photon Counting Detector CT: Interesting Images
by Ahmed O. El Sadaney, John C. Benson, Felix E. Diehn, John I. Lane and Paul J. Farnsworth
Diagnostics 2025, 15(17), 2213; https://doi.org/10.3390/diagnostics15172213 - 31 Aug 2025
Viewed by 470
Abstract
Aberrant internal carotid arteries (ICA) are congenital vascular anomalies that occur from involution of the cervical portion of the ICA, which leads to enlargement of the normally small collateral inferior tympanic and caroticotympanic arteries. The inferior tympanic artery is a branch of the [...] Read more.
Aberrant internal carotid arteries (ICA) are congenital vascular anomalies that occur from involution of the cervical portion of the ICA, which leads to enlargement of the normally small collateral inferior tympanic and caroticotympanic arteries. The inferior tympanic artery is a branch of the external carotid artery, usually the ascending pharyngeal artery, which extends through the inferior tympanic canaliculus (ITC), a small foramen located along the cochlea promontory. Aberrant ICAs can also be associated with a persistent stapedial artery (PSA), which is an abnormal vessel that arises from the petrous ICA and passes through the obturator foramen of the stapes. An aberrant ICA is a very important anomaly to recognize on imaging. Accurately describing its presence is important to help prevent iatrogenic injury during intervention. It is also important to distinguish an aberrant ICA from a lateralized ICA. The improvement of spatial resolution with photon counting detector (PCD)-CT has been proven to provide higher performance in detection of sub-centimeter vascular lesions compared to conventional energy-integrated detector (EID)-CT. PCD-CT also provides superior visualization of small skull-based foramina such as the inferior tympanic canaliculus, which can aid in more accurately characterizing an aberrant ICA (variant course without ITC involvement). Full article
(This article belongs to the Special Issue Photon-Counting CT in Clinical Application)
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