[Follow-up of monoclonal gammopathy of undetermined significance in a population of 51 patients older than 70 years ].

Unlabelled: Monoclonal gammopathy of undetermined significance (MGUS) are very frequent in the elderly. Its incidence is about 3% after 70 years. We have performed a retrospective study of patients aged of more than 70 years who were examined until 1995 for a MGUS.

[Multiple bone localizations in hair cell leukemia. Efficacy of treatment with alpha 2 interferon].

We report a case of hairy cell leukemia with multiple bone lesions (skull, tibia, spine, femoral head) clinically, radiologically, and histologically documented. Radiotherapy failed to improve tibial pain. Treatment with alpha interferon resulted in bone pain improvement.