Articles
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56 results found
Article
Lugano classification (PET-CT treatment response)
The Lugano classification is a lymphoma staging system for non-Hodgkin and Hodgkin lymphoma. This article outlines the classification's response to treatment based on PET-CT.
Also included in the classification are staging and response to treatment based on CT.
Scoring system
The Lugano clas...
Article
CT/MRI LI-RADS
CT/MRI Liver Imaging Reporting and Data System (LI-RADS) is an algorithm for diagnosing and staging hepatocellular carcinoma (HCC) (CT/MRI Diagnostic LI-RADS) or assessing the response of HCC to locoregional treatment (CT/MRI Treatment Response LI-RADS) using CT or MRI with extracellular contras...
Article
WHO histological classification of tumors of the uterine cervix
The WHO histological classification is a detailed classification of tumors of the uterine cervix.
epithelial tumors
squamous tumors and precursors
squamous cell carcinoma, not otherwise specified - 8070/3
keratinizing - 8071/3
non-keratinizing - 8072/3
basaloid - 8083/3
verrucous - 8051/3...
Article
Preinvasive adenocarcinoma lesion of the lung
Preinvasive lesions for lung adenocarcinoma are a category of small non-invasive lung lesions which are closely related to adenocarcinoma of the lung. They may represent a spectrum of premalignant to low-grade malignant lesions.
The category includes two types of lesions:
atypical adenomatous ...
Article
Kyoto guidelines
The Kyoto guidelines are a classification system for intraductal papillary mucinous neoplasms (IPMNs) and mucinous cystic neoplasms (MCNs). They were first published in 2006, and revised guidelines were published in 2012 1, 2017 3, and 2024 4. They have been previously known as the Sendai criter...
Article
WHO classification of prostate tumors
The World Health Organization (WHO) classification of prostate tumors is a commonly used classification system for prostate tumors. The current version was published in 2016 as part of the WHO Classification of Tumors of the Urinary System and Male Genital Organs 1,2 and replaces the previous c...
Article
RENAL nephrometry scoring system
The RENAL nephrometry scoring system was developed to categorize renal masses into low, intermediate and high complexity, based on cross-sectional imaging findings. Its purpose is to aid in decision making, patient counseling, surgical planning, and patient follow-up, as well as academic reporti...
Article
Tumors of the male urethra
Tumors of the male urethra are uncommon. They can be categorized both on the grounds of histology and location.
Histology
squamous cell carcinoma of the urethra: 80%
urothelial/transitional cell carcinoma of the urethra: 15% (predominantly posterior urethra)
adenocarcinoma of the urethra: 5%...
Article
Ishikawa classification of venous involvement by pancreatic ductal adenocarcinoma
Ishikawa classification system describes the degree of involvement of adjacent portal vein and superior mesenteric vein by pancreatic ductal adenocarcinoma based on the caliber of the vein:
type I: normal
type II: smooth shift/displacement with normal caliber
type III: unilateral narrowing...
Article
Spinal instability neoplastic score (SINS)
The spinal instability neoplastic score (SINS) helps to assess tumor related instability of the vertebral column. It has been shown to be useful in guiding the mobilization or operative management of patients with neoplastic spinal disease.
Studies have reported good inter-observer agreement am...
Article
International Society of Urological Pathology Vancouver classification of renal neoplasia (historical)
The International Society of Urological Pathology Vancouver classification of renal neoplasia is a now-outdated classification of renal tumors published in 2013. It formed the basis for the WHO classification of tumors of the kidney published in 2016. For reference, the ISUP Vancouver classifica...
Article
Myeloproliferative neoplasm
Myeloproliferative neoplasms are a diverse group of conditions that are characterized by an excess of terminally differentiated myeloid cells (red cells, white cells, and/or platelets) in the peripheral blood. Under WHO classification of haematolymphoid tumors, myeloproliferative neoplasms are c...
Article
Lugano classification (lesion measurement guidelines)
The Lugano classification is a lymphoma staging system resulting from recommended changes in 2011 to the Cotswolds modified Ann Arbor staging. This article outlines the lesion measurement guidelines for the system:
Eligible lesions
lymph nodes: the longest diameter in axial plane should be >1....
Article
Krenning score of neuroendocrine tumor uptake
The Krenning score is a proposed semi-quantitative method of assessing the degree of tracer uptake on octreotide scintigraphy.
Parameters
Initially designed for assessment of 111In-DTPA on planar imaging, the Krenning score is applicable to SPECT or PET-CT using various radiopharmaceuticals.
...
Article
Zurich pituitary score
The Zurich pituitary score is a quantitative classification of pituitary adenomas based on coronal T1-weighted magnetic resonance imaging with contrast, although the score can also be obtained with computed tomography.
The Zurich pituitary score is based on the ratio between the horizontal tumo...
Article
Bone lymphoma
Lymphoma of the bone may represent lymphoma that has originated within that bone itself i.e. primary, or metastasized there from another organ/tissue, i.e. secondary. Secondary forms of bone lymphoma are much more common than the primary bone form.
primary osseous lymphoma
secondary osseous ly...
Article
Tumors of the seminal vesicles
Tumors of the seminal vesicles usually represent contiguous invasion of the seminal vesicles from malignancies in adjacent organs, most commonly the prostate. Tumors originating de novo within the seminal vesicles themselves are much rarer.
Epithelial tumors
adenocarcinoma of the seminal vesic...
Article
Vesical Imaging-Reporting and Data System (VI-RADS)
The Vesical Imaging–Reporting and Data System (VI-RADS) is a structured reporting scheme for multiparametric bladder MRI in the evaluation of suspected bladder cancer. A systematic approach to bladder lesion based on multiparametric MRI (mpMRI) was proposed by the European Association of Urology...
Article
WHO classification of skin tumors
The World Health Organizatiοn classification of skin tumors is the most widely used pathologic classification system for skin tumors. The most recent edition is the 4th, which was published in 2018 1. The radiologically relevant and common entities are reflected below.
Classification
1. Kera...
Article
Bethesda classification system for thyroid fine needle aspirates
Bethesda classification system for thyroid fine needle aspirates comprises six categories of pathological reporting of thyroid FNA, with each category linked to a malignancy risk.
Classification
category I: non-diagnostic
category II: benign
category III: atypia of undetermined significance...
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