PAGETS-DISEASE OF THE PROXIMAL ULNA - A R ARE MONOSTOTIC MANIFESTATION

Bone changes of the upper extremity are rare manifestations of the M. Paget disease. Most frequently the disease affects the lower extremiti es, the pelvis followed by the calvarium and others. The rare asymptom atic, monostotic manifestation of Paget's disease of the left proximal ulnae of a 59 year old woman and the way of diagnosis is described. S ymptomatic skeletal lesions are detected by radiological examination, bone scintygraphy reveals asymptomatic lesions. Laboratory tests (Alka line serum phosphatase. Hydroxyproline in urin) monitor the activity o f the disease.