the posterior longitudinal ligament.1 Although most of the studies on OPLL are from East Asia, OPLL can be encountered in any patient population. Treatment techniques depend on severity, age of injury, and the amount of deformity. The prevalence of OPLL and ONL is unknown in the non-Asian population. 0. posterior longitudinal ligament injury. 3 doctors agree. The posterior longitudinal ligament (PLL) is a band of collagen and elastin fibers that extends along a line along the posterior margins of the vertebral bodies from the atlas to the sacrum. 2. BACKGROUND The debate between anterior or posterior approach for pathologies such as cervical spondylotic myelopathy (CSM) and ossification of the posterior longitudinal ligament (OPLL) have drawn heated debate but are still inconclusive. Posterior longitudinal ligament synonyms, Posterior longitudinal ligament pronunciation, Posterior longitudinal ligament translation, English dictionary definition of Posterior longitudinal ligament. A Verified Doctor answered. This ligament connects under the facet joints to create a small curtain over the posterior openings between the vertebrae. A female asked: what do you recommend to treat a severed posterior longitudinal ligament? 0 comment. The posterior longitudinal ligament (PLL) appeared interrupted in MRI in 60.7% of patients. The PLL is narrower and weaker than the anterior longitudinal ligament (ALL), which extends along the anterior margins of the vertebral bodies, also from the atlas to the sacrum. Ossification of Posterior Longitudinal Ligament (OpLL) causes. If it is rec ... Read More. The posterior longitudinal ligament is initially replaced with bony tissue. From L2 upwards, the ligament thins markedly. CT scan is a highly reliable modality for evaluating the extent of the lesion, in addition CT myelography images permit an analysis of the degree of encroachment on the spinal canal and compression of the cord. Patients with OPLL frequently present with a … Ossification of the posterior longitudinal ligament (OPLL) is well demonstrated by plain radiography but is frequently overlooked. 9 Progression of ossification follows an evolutionary process, beginning as endochondral or membranous ossification. Surgical treatment is a matter of controversy. To examine the prevalence of ossification of the posterior longitudinal ligament (OPLL) and ossification of the nuchal ligament (ONL) of the cervical spine in the San Francisco area. Computed tomography (CT) imaging is often used in clinical practice for evaluating ossified lesions as it can detect their precise location, size, and shape. Background: Ossification of the posterior longitudinal ligament (OPLL) is most frequently seen in the cervical spine. Ossification of the posterior longitudinal ligament of the spine (OPLL) is a common form of human myelopathy caused by a compression of the spinal cord by ectopic ossification of spinal ligaments. The posterior longitudinal ligament seems to be most developed at the level of L3 and L4, where its average thickness is 1.4 mm. The commonest intraoperative event was bleeding (46%). The posterior longitudinal ligament is a long and dense ligament in the spine.It runs from the top of the spine down to just above the hip and traverses the vertebrae of the back. Anterior longitudinal ligament is stretched or tears, as the head snaps forward and then back again causing a whiplash injury. A female asked: what do you recommend to treat a severed posterior longitudinal ligament? If it is rec ... Read More. Treatment techniques depend on severity, age of injury, and the amount of deformity. A calcification of the posterior longitudinal ligament of the spinal column, usually at the level of the cervical spine. A US doctor answered Learn more. We report on a series of patients who were managed with anterior cervical decompression and arthrodesis for the treatment of cervical myelopathy associated with ossification of the posterior longitudinal ligament. Ossification of the posterior longitudinal ligament, also known as OPLL, is a potentially serious diagnosis that is usually linked to the existence of cervical central canal stenosis. Up to 90% off Textbooks at Amazon Canada. 8 synonyms for ligament: bond, knot, ligature, link, nexus, tie, vinculum, yoke. The posterior longitudinal ligament is situated within the vertebral canal, and extends along the posterior surfaces of the bodies of the vertebræ, from the body of the axis, where it is continuous with the membrana tectoria, to the sacrum. 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