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Abstract: We report four cases of non-Hodgkin lymphoma involving the nasopharynx. Clinical, radiological, histological and treatment modalities are described. The four patients were male and aged 20, 42, 71 and 77 years. The symptoms were nasal obstruction with epistaxis in three cases and a cervical node in the fourth case. The histological type was a non-Hodgkin lymphoma of phenotype B with large cells CD20+ in the four cases. The treatment consisted in radiotherapy and chemotherapy. [Copyright &y& Elsevier]

Abstract: The objective of this paper is to give some practical landmarks for the delineation of target volumes and organs at risk in Intensity Modulated Radiation Therapy for Nasopharyngeal Carcinoma. This delineation, drawn from anatomo-clinical data, natural history of the disease and radiological pre-treatment evaluation, seems to be easier to define than the delineation of other head and neck cancer localisations (oropharynx and oral cavity for example). Experience inside national and international cooperative groups should tend to standardize this initial and fundamental step of Nasopharyngeal Conformal Radiotherapy. [Copyright &y& Elsevier]

Abstract: We report three cases of Hodgkin''s disease (HD) involving the nasopharynx. Their clinical presentations, morphological and immunohistochimical features and their therapy modalities are discussed. The patients were aged 36, 41 and 77, presenting with increasing bilateral nasal obstruction in one case and a cervical mass in the two others. Histological study showed mixed cellularity type of HD in all cases. The Reed Sternberg cells expressed both of CD15 and CD30 in one case, and only one of them in the other cases. In one case, LMP1 was detected, CD20 and CD3 were not. HD of nasopharynx should be differentiated from EBV-associated lymphoproliferations. The treatment is based on radiotherapy that can be associated to neoadjuvant chemotherapy if nodes are involved. [Copyright &y& Elsevier]