Roque Orlando Calcagno, Argentine neuropathologist (Campana, Buenos Aires Province 10 August 1899 – 1967)

Authored over 80 works

First to show the alternating degeneration of the external geniculate bodies in man

La degeneración alternada del geniculado externo

Discovered the pathogeny of Argyll-Robertson sign due to demyelization of iris nervous fibers or first to demonstrate the myelinic network of human iris and its demyelization in progressive general paralysis

With B. Moyano. Patogenia del signo de Argyll-Robertson (1935)

Introduced a new semiological method for exploring endoventricular structures

La ventriculoscopia. Un nuevo metodo de semiologia cerebral y de investigación experimental. La Semana Medica 38 (52):1938, 1931

La ventriculoscopia y adquisiciones diagnósticas y terapêutica de la visualización ventriculoaracnoidea (1930)

Demonstred that Erb syndrome doesn’t follow pyramidal degeneration in syphilitic medullary meningovascular disease

Sobre la autonomia anatomo-clínica de la degeneración bipiramidal sistematica en mielosis sifilítica. Rev. Neurol. 10:1-11, 1945

Authored a exhaustive work about general palsy

With Max Arndt. Paralisis general: estado actual y problemas (1945)

Raised new problems about brain pathology

With Max Arndt. Agnosia optica (1950)

Demonstred the existence of a lobar bilateral symmetric atrophy in Pick disease (1935)

With Hector M. Piñero. Contribución al estudio de la enfermedad de Pick. La Semana Medica (1936)

With B. Moyano and others contributed to elucidation of the pathology and clinics of brain senility

With daughter Maria Marta Orlando Solorzano authored work about iris effector system in zoological scale (posthumously published)

OTHER CONTRIBUTIONS

Sindromes neurologicos atipicos de la paralisis general. Thesis, Univ. Nac. Buenos Aires (1936) & Rev. Neurol. Bs Aires 1(1), 1936