2. History Finkelstein

• 1913: first case description by I. M. Snow in the United States of America

• 1925: Second description by M. Landsberger in Germany

• 1930-1940: detailed clinical description by H. Seidlmayer (1910–1965) and especially by H. Finkelstein (1865–1942) in Germany

• 1936: case description by M. J. Del Carril in Argentina

• 1942: further cases description by M. Lelong in France

• 1968: first description by A. Voglino in Italy

• 1970: Small vessel inflammation documented by P. Laugier in Switzerland