Classification Systems
Guides for moving from imaging findings to a category and an auditable report statement.
13 guidesLatest content update:
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Move directly between checklists, examples, and practical explanations for this reporting topic.
Classification Systems1 min readSubsolid Pulmonary Nodules: Ground-Glass, Part-Solid, and Follow-up
Separate pure ground-glass from part-solid pulmonary nodules, measure the solid component, assess persistence, and structure follow-up reporting.
Classification Systems1 min readCAD-RADS 2.0: Coronary CTA Categories, Plaque Burden, and ModifiersApply CAD-RADS 2.0 to coronary CTA with stenosis categories, plaque burden, N/HRP/I/S/G/E modifiers, examples, and a reporting checklist.
Classification Systems1 min readNASCET vs ECST: How to Measure Carotid Stenosis on CTA or MRALearn the NASCET and ECST carotid stenosis formulas, reference diameters, near-occlusion pitfall, worked example, and report wording for CTA or MRA.
Classification Systems1 min read2024 McDonald Criteria: MRI and Paraclinical Updates for Multiple SclerosisA practical radiology review of 2024 McDonald Criteria: MRI and Paraclinical Updates for Multiple Sclerosis, focused on imaging findings, differential diagnosis, reporting...
Classification Systems1 min readERS/ATS 2025 Update: A CT-First Approach to Interstitial PneumoniasA practical radiology review of ERS/ATS 2025 Update: A CT-First Approach to Interstitial Pneumonias, focused on imaging findings, differential diagnosis, reporting points, and...
Classification Systems1 min readFleischner Society Thoracic Imaging Glossary 2024: Practical TerminologyA practical guide to applying the Fleischner Society's 2024 thoracic imaging terminology consistently in CT interpretation and radiology reports.
Classification Systems1 min readO-RADS US Assessment: Optimizing Technique and Image InterpretationA practical radiology review of O-RADS US Assessment: Optimizing Technique and Image Interpretation, focused on imaging findings, differential diagnosis, reporting points, and...
Classification Systems1 min readWHO 2022 Renal Cell Tumor Classification: Imaging CluesA practical radiology review of WHO 2022 Renal Cell Tumor Classification: Imaging Clues, focused on imaging findings, differential diagnosis, reporting points, and high-yield...
Classification Systems1 min readBI-RADS v2025: What Changed in the New Manual?See what changed in BI-RADS v2025 across report organization, mammography, ultrasound, MRI, audit language, and the new contrast-enhanced mammography section.
Classification Systems1 min readHow to Use ACR TI-RADS: A Guide from Thyroid Nodule Findings to the Final ReportLearn ACR TI-RADS scoring step by step using composition, echogenicity, shape, margin, and echogenic foci, with a report example and common pitfalls.
Classification Systems1 min readHow to Use O-RADS US v2022: A Systematic Approach to Adnexal LesionsAssess adnexal lesions systematically with O-RADS US v2022 using morphology, solid components, papillary projections, and color score.
Classification Systems1 min readHow to Use PI-RADS v2.1: A Zone-Based Approach to Prostate MRI ReportingLearn the dominant sequences for the peripheral and transition zones in PI-RADS v2.1, the role of DCE, index-lesion selection, and a practical report example.
Classification Systems1 min readLung-RADS v2022: Nodule Categories, Growth, and Reporting GuideLearn how Lung-RADS v2022 handles solid, part-solid, and ground-glass nodules, growth, categories 4A–4X, and practical reporting.
Build the category and report statement together
Use the relevant RadPhrases calculator, then verify the result against the official guideline and the complete examination.