[Malignant lymphomas of the orbit, facial bones and the parapharyngeal space].

The evaluation of 21 patients with non-Hodgkin-Lymphoma and primary extranodal manifestations involving the orbits, the paranasal sinuses, and the parapharyngeal spaces shows no typical features in malignant lymphoma. The analysis of the morphological features in computed tomography allows no classification of the tumor type. The most important differential diagnoses within the region of the facial skeleton are discussed.