Characteristics of sagittal spinopelvic alignment in patients with Parkinson's disease presenting with dropped head syndrome: a case series study.
Hiroo TerashiKenji EndoHitoshi AizawaPublished in: BMC neurology (2023)
DHS appeared regardless of the duration or severity of PD. Although all patients with PD/DHS exhibited cervical kyphosis, the C7 plumb line was shifted anteriorly in half of the patients and posteriorly in the other half.