[Vasculitic polyneuropathy as a complication in chronic polyarthritis].

Polyneuropathy due to vasculitis in connection with rheumatoid arthritis is a rare complication of the disease. Special investigations can help us to distinguish between a peripheral sensory-neuropathy with a good prognosis, the neuropathy of the autonomous nervous system and the severe form of mononeuritis multiplex. The bad prognosis of this form is due to the diffuse vasculitis of internal organs.

[Extranodular manifestations of generalized malignant lymphomas].

90 cases of malignant lymphoma in the autopsy material of the Institute of Pathology, University of Zurich (1970-1974) have been analyzed with reference to extranodular manifestations. 8% of the malignant lymphomas showed primary extranodular manifestations. The organs involved were (in decreasing order of importance) spleen, bone marrow, liver, kidneys, central nervous system, pancreas, adrenal glands, skin, lung and stomach.