Lymphoproliferative diseases of the orbit and appendages of the eye

The results are available of clinical, morphological, cytological and immunological investigations of orbital lymphomas and lymphomas of appendages of the eye. Malignant lymphoma was detected in 17 patients and reactive lymphoid hyperplasia in 3 patients. All the malignant lymphomas had B-cell phenotype. By cell composition, MALT-lymphoma is more polymorphic than lymphoma from mantle zone cells and lymphoma from small lymphocytes and centro follicular lymphoma. The conjunctive is affected primarily with lymphoma from marginal zone cells or mantle zone cells. As a rule, this is a primary local lesion. Other variants of orbital lymphoma and lymphoma of the eye appendages develop more often as secondary lesions in systemic disease and are characterized by more aggressive course. The key in differential diagnosis of reactive lymphoid hyperplasia and small cells lymphomas is immunophenotyping, especially at initial stages of the tumor process.     

Experience with and perspectives of an extended radical regimen of radiotherapy for Hodgkin's disease with prophylactic irradiation of the liver and the lungs

The end-results of extended radical radiotherapy for stage II-III Hodgkin's disease with apparent factors of risk of relapse in the lung and/or liver are presented. The procedure included prophylactic irradiation of both organs. Ten-year relapse-free survival in the lung-irradiation group was 85.9%, overall 10-year survival--94.0%; the liver-irradiation group--90.0 and 94.7%, respectively. Preventive irradiation was shown to significantly decrease the influence of such risks as extended lesions of the mediastinum and spleen. Relapse in the lung was recorded in one case (1.6%) only, with no tumor progression defected in the liver. Significant increase in 5- and 10-year relapse-free survival was established in the lung-irradiation group, as a result of a comparison of the study group and that of controls who showed characteristic signs of intrathoracic risk. Significant difference in overall survival was recorded for the first three years only. As far as the liver-irradiation factor is concerned, the rise in both categories of survival was significant for the 10 years. It is suggested that patients with stage II-III Hodgkin's disease receive prophylactic irradiation whenever they reveal significant signs of risk of relapse in the lung and/or liver.     

Histiocytic lesions of the orbit and eye appendages

2 cases of sinus histiocytosis with massive lymphadenopathy are reported. The disease belongs to non-neoplastic lesions associated with proliferation of histiocytes with antigen-treating function. A case of sarcoma is also described. It consisted of follicular dendritic cells related to histiocytes with the antigen-representing function.