title: [A very frequent radiologic sign in dorsolumbar localization of chordoma: increase in the interpeduncular distance].
abstract: The X-ray picture of 11 cases of chordoma of the thoraco-lumbar spine at the Tumors Centre of the Rizzoli Orthopaedic Institute is studied. In 7 cases an increase in the interpeduncular distance of the affected vertebrae was noticed. The high incidence of this radiologic sign, never reported previously in the literature, represents a semeiologic element of great importance in the diagnosis of this neoplasm. The ways of measurement are then indicated and the significance of this report is stressed.
mesh_terms: D002817:Chordoma / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*; D013904:Thoracic Vertebrae
vernacular_title: Un segno radiologico molto frequente nella localizzazione dorso-lombare dei cordomi: l'aumento della distanza interpeduncolare.