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Am J Surg Pathol. 1987 Jun;11(6):418-29.

Most nasal/nasopharyngeal lymphomas are peripheral T-cell neoplasms.

Erratum in

  • Am J Surg Pathol 1987 Sep;11(9):742.


Eleven consecutive cases of nasal/nasopharyngeal lymphoma were studied histologically and with a panel of monoclonal antibodies. The disease showed a male predominance and occurred over a wide age range, with a median of 52 years. Five patients had midfacial destructive disease, and six had gross tumor masses involving the nose/nasopharynx. Three cases were classified as small cleaved cell, two cases as mixed cell, five cases as large cell, and one case as immunoblastic lymphoma. Those belonging to the first two categories also satisfied the diagnostic criteria of so-called polymorphic reticulosis. Epithelial invasion, angioinvasion, and coagulative necrosis were demonstrated in seven, eight, and nine cases respectively. Immunohistochemical studies confirmed that the atypical cells of all 11 cases exhibited T-cell markers. All but one case had lost one or more T-cell markers associated with peripheral T cells, particularly T1 and T3. Loss of T-cell markers in the five cases histologically consistent with polymorphic reticulosis provided further support to indicate that the lesion was neoplastic. A significant proportion of cases also expressed the activated T-cell markers 12 (HLA-DR) and interleukin-2 receptor (IL-2R1).

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