Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

10 results found
Article

Ann Arbor staging system

The Ann Arbor staging system is the landmark lymphoma staging classification system for both Hodgkin lymphoma and non-Hodgkin lymphoma.  It is named after the town of Ann Arbor in the US state of Michigan where the Committee on Hodgkin's Disease Staging Classification met in 1971 to agree on it...
Article

Histiocyte Society classification of histiocytoses

The Histiocyte Society classification of histiocytoses and neoplasms of macrophage-dendritic cell lineages is currently in its 2016 revision of the organization's initial classification system from 1987. Terminology Histiocytes are mononuclear phagocytes that reside in tissues, including macro...
Article

Lugano classification

The Lugano staging system is a lymphoma staging classification system resulting from recommend changes to the Cotswolds-modified Ann Arbor classification following meetings in 2011. The goal was to simplify and standardize the response assessment enabling better understanding and communication ...
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

Lugano classification (PET-CT treatment response)

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 classification's response to treatment based on PET-CT.  Also included in the classification are staging and response to treat...
Article

Lugano classification (response to treatment on CT)

The Lugano classification is a lymphoma staging system resulting from recommended changes in 2011 to the Ann Arbor staging with Cotswolds modifications. This article outlines the classification's response to treatment based on CT.  Also included in the classification are staging and reponse to ...
Article

Lymphoma response to immunomodulatory therapy criteria (LYRIC)

The Lymphoma Response to Immunomodulatory Therapy Criteria (LYRIC) represents an adaptation of the Lugano classification for the evaluation of lymphoma after immune-based treatment. During immunomodulatory agents (e.g. checkpoint inhibitors) therapy, imaging findings suggestive of progressive d...
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. Pathology Classification The classic four types of myeloproliferative neoplasms are...
Article

Non-Hodgkin lymphoma

Non-Hodgkin lymphoma (NHL) is a catch-all term for lymphomas that are not of the Hodgkin subtype. It is a heterogeneous group of malignancies in terms of histology, clinical presentation, and prognosis.  See 2008 WHO classification for further information on subtypes. 
Article

WHO classification of tumors of hematopoietic and lymphoid tissues

The World Health Organization (WHO) classification of tumors of hematopoietic and lymphoid tissues is the most widely used pathologic classification system for hematolymphoid neoplasms. The current revision, known as the 4th revised edition, was published in 2016, supersedes the 4th edition publ...

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.