extranodal lymphomas

extranodal lymphomas

Lymphomas originating in tissues other than lymph nodes. Hodgkins disease rarely involves extranodal sites, but a qyarter of all non-Hodgkins lymphomas appear extranodally in sites such as Waldeyer's ring, the nose, paranasal sinuses, salivary glands and the thyroid gland.
References in periodicals archive ?
On the other hand, primary thyroid lymphomas (PTL) are rare tumors, 1-5% of all thyroid neoplasms and approximately 2% of the extranodal lymphomas (1).
Lymphomas of ocular adnexa comprise 8% of extranodal lymphomas. (1) Primary ocular adnexal marginal zone lymphoma (POAMZL) is the most common orbital tumor, comprising more than half of all orbital tumors.
In: Extranodal Lymphomas Pathology and Management, F.
Lymphoma of the breast is rare, accounting for approximately 2% of all extranodal lymphomas and ~0.04-0.5% of all breast malignancies.
et al., no differences were found in the treatment outcome in patients with primary nodal and those with extranodal lymphomas. Their study included 382 patients with diagnosed DLBCL.
Primary hepatic BL is defined as an extranodal lymphoma restricted to the liver, accounting for only 0.4% of all extranodal lymphomas [2, 3].
Primary gastrointestinal lymphoma accounts for 30-40% of all extranodal lymphomas but for only 1-8% of all gastrointestinal malignancies [1].
The bony involvement comprises 1-2% of malignant lymphomas and 3-5% of extranodal lymphomas; involvement of temporal bone is extremely rare with only few reported cases in the literature [1-3].
Primary lymphoma on the female genital tract (PLFGT) is a rare disease, which comprises 0.2 to 1.1% of all extranodal lymphomas in the female population [8-10].
Gattuso, "Extranodal lymphomas: Review of clinicopathologic and cytologic features," Diagnostic Cytopathology, vol.