Carlos Morra and Ernst Franzek: Psychopathological Symptoms
Definition: A fold, like the Greek Letter omega, in the forehead above the root of the nose produced by an excessive action of the corrugator muscle (Hamilton, 1985).
Exploration: The presence of Athanassio’s sign can be established by looking at the patient’s face.
Hamilton M. Fish´s clinical psychopathology. 2nd Ed. Bristol: Wright; 1985, p. 93.
Carlos Morra and Ernst Franzek
February 9, 2017