On the other hand, primary thyroid lymphomas (PTL) are rare tumors, 1-5% of all thyroid neoplasms and approximately 2% of the extranodal lymphomas
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.
Imaging features of primary extranodal lymphomas
. Clin Radiol 2009;64:574-588.
of the gastrointestinal tract.
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
Primary gastrointestinal lymphoma accounts for 30-40% of all extranodal lymphomas
but for only 1-8% of all gastrointestinal malignancies .
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.