d'Es·pine sign(des-pēn'), an obsolete sign
1. bronchophony over the spinous processes heard, at a lower level than in health, in pulmonary tuberculosis;
2. an echoed whisper following a spoken word, heard in the stethoscope placed over the seventh cervical or first or second dorsal spine, in cases of tuberculosis of the mediastinal glands.
D'Éspine,Jean H.A., French physician, 1846-1930.
D'Éspine sign - bronchophony over the spinous processes heard at a lower level than in health, in pulmonary tuberculosis.