Ann Arbor staging
Ann Arbor staging is a classification system used primarily in the field of Oncology to stage Hodgkin's Lymphoma and Non-Hodgkin's Lymphoma. It was first introduced in 1971 at a meeting of Cancer specialists in Ann Arbor, Michigan, hence the name.
Pronunciation
The term is pronounced as "an ar-bor stay-jing".
Etymology
The term derives its name from the city of Ann Arbor in Michigan, USA, where the staging system was first proposed in 1971 during a meeting of the Cotswolds conference.
Definition
The Ann Arbor staging system is a method used to classify the extent of disease in patients with Hodgkin's and Non-Hodgkin's Lymphoma. It is based on the number of lymph node regions involved and whether the disease has spread beyond the lymph nodes.
Stages
The Ann Arbor staging system includes four stages:
- Stage I: Involvement of a single lymph node region or a single extralymphatic organ or site.
- Stage II: Involvement of two or more lymph node regions on the same side of the diaphragm.
- Stage III: Involvement of lymph node regions on both sides of the diaphragm.
- Stage IV: Diffuse or disseminated involvement of one or more extralymphatic organs.
Each stage can further be classified as A or B depending on the presence (B) or absence (A) of systemic symptoms such as fever, night sweats, and weight loss.
Related Terms
See Also
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