Paul J Park, Fthimnir M Hassan, Xavier E Ferrer, Cole Morrissette, Nathan J Lee, Meghan Cerpa, Zeeshan M Sardar, Michael P Kelly, Stephane Bourret, Kazuhiro Hasegawa, Hee-Kit Wong, Gabriel Liu, Hwee Weng Dennis Hey, Hend Riahi, Jean-Charles Le Huec, Lawrence G Lenke
OBJECTIVE: To define a novel radiographic measurement, the posterior cranial vertical line (PCVL), in an asymptomatic adult population to better understand global sagittal alignment. METHODS: We performed a multicenter retrospective review of prospectively collected radiographic data on asymptomatic volunteers aged 20-79. The PCVL is a vertical plumb line drawn from the posterior-most aspect of the occiput. The horizontal distances of the PCVL to the thoracic apex (TA), posterior sagittal vertical line (PSVL, posterosuperior endplate of S1), femoral head center, and tibial plafond were measured...
September 2023: Neurospine