Head and Neck Lymphomas Associated With Human Immunodeficiency Virus Infection

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Abstract
Objective: To focus on clinicopathologic data of non-Hodgkin's lymphomas (NHLs) of the head and neck area (with lymph nodal or extranodal localization) arising in patients with immunodeficiency virus (HIV) infection. Patients: Among 73 evaluable patients for presenting symptoms, of a total of 82 with HIV-related NHLs whose conditions were diagnosed at the Centro di Riferimento Oncologico, Aviano (Italy), between September 1984 and May 1992, 15 (21%) had primary, solitary head and neck (P-HN) lymphoma and 13 (18%) had systemic head and neck (S-HN) lymphoma arising from this region. Results: Ten (67%) of 15 patients with P-HN NHL had stages I and II, whereas all patients with S-HN NHL had stages III and IV. Twenty-seven of 28 patients had extranodal disease at presentation, the principal sites being Waldeyer's ring and soft tissues. There were only high-grade (14 cases) or intermediate-grade (three cases) NHLs, the most frequent histotypes being small noncleaved cell, Burkitt's type, and large-cell immunoblastic. Seven of 11 cases in the miscellaneous group of the working formulation were classified as Ki-1+ anaplastic large-cell lymphoma. By immunophenotypic and genotypic characterization, a B-cell derivation was suggested for 21 of 28 NHLs. After combination chemotherapy with or without radiotherapy, a complete remission was observed in seven (58%) of 12 patients with P-HN lymphoma and in only two patients with S-HN lymphoma. Median survival was 9.8 months for the patients with P-HN lymphoma and 8.3 months for the other patients. Thirteen patients died, the most common causes of death being opportunistic infections (five cases) and progression of lymphoma (four cases). Conclusions: Most HIV-infected patients with head and neck NHL had severe immunodeficiency, extranodal disease, aggressive histologic findings, and a poor treatment response. (Arch Otolaryngol Head Neck Surg. 1995;121:210-218)

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