label: Thyroid Gland Non-Hodgkin Lymphoma
label_lc: thyroid gland non-hodgkin lymphoma
description: A non-Hodgkin lymphoma primarily involving the thyroid gland.  The vast majority of cases are either diffuse large B-cell lymphomas or extranodal marginal zone B-cell lymphomas of mucosa-associated lymphoid tissue. Hashimoto (chronic lymphocytic) thyroiditis is almost always present.