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A CT scan is a fast 3D X-ray that shows the size and shape of tumours and whether they have spread.
Computed tomography rotates an X-ray source and detector around the body and reconstructs the measured attenuation into cross-sectional images, with iodinated contrast highlighting vasculature. In use since 1971, it is the workhorse of staging and response assessment and the standard measurement tool for RECIST. It is fast, ubiquitous, offers sub-millimetre resolution and is excellent for lung, liver, bone and lymph nodes. Its limits are that it shows anatomy only, so it cannot distinguish scar from live tumour or give biological information, it has limited soft-tissue contrast, it performs poorly for brain, marrow and small peritoneal disease, and it delivers ionising radiation. Photon-counting CT improves resolution at lower dose, while PET/CT and MRI fill the gaps in biology and soft tissue. CT is the quick 3D X-ray that most cancer decisions are measured against.
A rotating X-ray source and detector measure attenuation, which is reconstructed into cross-sectional images. Iodinated contrast highlights vasculature.
Nothing recorded yet: a foundation, or a gap to fill.
Dependencies are what this technology cannot be delivered without: manufacturing steps, instruments, software, upstream methods. See its full chain on the map.
The first AI cleared to estimate how likely a lung nodule on a CT scan is to be cancer, helping doctors decide who needs a biopsy and who can wait.
Lung screening works when it uses volumetric nodule management, and it works against a no-screening control. The protocol underpins the UK Targeted Lung Health Check programme and European recommendations. Benefit in women remains less precisely estimated.
A scoring tool that needs no new test and can run in primary care records; it turns the 1 percent of Chari's cohort into a 3.6 percent group in whom imaging or a blood test becomes defensible.
The first long-term evidence that surveillance in high-risk people finds operable cancers, and the source of the imaging features that trigger surgery in the CAPS recommendations.
For people with a heavy smoking history, an annual low-dose CT scan is one of the few screening tests proven to reduce cancer deaths. Most abnormal scans are not cancer, so screening must be paired with careful nodule management. It does not apply to never-smokers or light smokers.
Query for this technology: (TITLE:"computed tomography" OR ABSTRACT:"computed tomography" OR TITLE:"photon-counting CT" OR ABSTRACT:"photon-counting CT") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma) AND (staging OR screening OR response). Results are unfiltered search hits about CT (computed tomography), not a curated reading list.
Shares A ten-year cohort of incidental findings to calibrate follow-up guidelines, One certified open-source de-identification pipeline for scans and slides, No clinical claims for imaging-derived biomarkers without phantom and standards compliance, Structured, coded radiology reports for cancer response instead of free text.
Shares Quantum Surgical, XACT Robotics, Robotic and navigational bronchoscopy, Shanghai Pulmonary Hospital.
Shares Robotic and navigational bronchoscopy, FUJIFILM Healthcare, Pancreas protocol CT (pancreatic protocol CT, dual-phase thin-slice CT with structured reporting), High-risk stigmata and worrisome features of pancreatic cysts (IPMN and MCN surgical criteria).
Shares Obstruction and T4 disease in bowel cancer, Pancreas protocol CT (pancreatic protocol CT, dual-phase thin-slice CT with structured reporting), Peritoneal cancer index, Mediastinal lymph node stations.
Shares FUJIFILM Healthcare, Canon Medical Systems, United Imaging, Philips.
Shares AI that spots pancreatic cancer on scans taken a year before diagnosis, AI clears the normal lung screening scans so radiologists read only the suspicious ones, New diabetes after 50 plus weight loss triggers a pancreatic cancer check, A fast-track pathway from suspicion to treatment for pancreatic cancer in the NHS, measured from first scan to first treatment.
Shares Leo Cancer Care, P-Cure, United Imaging, CT, MRI and PET scanner manufacturing.
Shares FUJIFILM Healthcare, Canon Medical Systems, Philips, Cryoablation systems.
Open-source projects that implement or serve this technology, from OnCo's own catalogue: licence and last activity as the repository reported them on the day of the fetch. Listing is not endorsement; check the licence before reuse and the validation before clinical use.
The Open Health Imaging Foundation's zero-footprint web DICOM viewer, the front end of many research imaging platforms and the NCI Imaging Data Commons.
Segments over a hundred anatomical structures in CT and MRI in one command, widely used for organs at risk and body composition.
The desktop platform for medical image analysis, segmentation, registration and image-guided therapy, with hundreds of extensions and a large research community.
The Python library for reading and writing DICOM files that most imaging research code depends on.
The Insight Toolkit for image segmentation and registration, the foundation under 3D Slicer, ANTs and much of medical image computing.
The Java DICOM toolkit and archive that many research and clinical PACS installations are built on.
A multipurpose desktop DICOM viewer deployed in many hospitals.
The JavaScript rendering and tools library under OHIF for volumetric medical images in the browser.
Open-source software, hardware and data projects catalogued by a third party, the Open Medical Registry, that bear on this technology. Listing is not endorsement; check each project's own licence and validation before clinical use.
Desktop platform for medical image visualisation, segmentation, registration, and image-guided therapy research.
3D medical imaging reconstruction software
Swift Horos/OsiriX plugin that exports active CT/MR series, provisions an isolated Python TotalSegmentator environment, runs segmentation, and imports...
From the Open Medical Registry (openmedical.sh), an MIT-licensed catalogue of open-source medicine. Blurbs are one line from each registry record; every project keeps its own licence.
