Arachnoiditis from myelography and laminectomy in experimental animals. 1984

J G Johansen, and C R Barthelemy, and V M Haughton, and B T Lipman, and K C Ho

Clinical reports have suggested that myelography and laminectomy may produce more arachnoiditis than myelography alone. The effect of experimental lumbar myelography and laminectomy on arachnoiditis in monkeys was studied. Arachnoiditis was as severe after myelography alone as after myelography and laminectomy. Minimal arachnoiditis was found myelographically and histologically after myelography with metrizamide 300 mg l/ml, and severe arachnoiditis was found after myelography with iophendylate whether or not laminectomy was performed. Laminectomy alone produced insignificant arachnoid changes. Experimental myelography preceding laminectomy did not increase the risk of arachnoiditis.

UI MeSH Term Description Entries
D007481 Iophendylate An inert iodine-containing agent which is opaque to X-RAYS. It is used mainly for BRAIN and SPINAL CORD visualization. Ethiodan,Iodophendylate,Iofendylate,Ioglunide,Isophendylate,Maiodil,Myodil,Panthopaque,Pantopaque
D007796 Laminectomy A surgical procedure that entails removing all (laminectomy) or part (laminotomy) of selected vertebral lamina to relieve pressure on the SPINAL CORD and/or SPINAL NERVE ROOTS. Vertebral lamina is the thin flattened posterior wall of vertebral arch that forms the vertebral foramen through which pass the spinal cord and nerve roots. Laminotomy,Laminectomies,Laminotomies
D008251 Macaca A genus of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, consisting of 16 species inhabiting forests of Africa, Asia, and the islands of Borneo, Philippines, and Celebes. Ape, Barbary,Ape, Black,Ape, Celebes,Barbary Ape,Black Ape,Celebes Ape,Macaque,Apes, Barbary,Apes, Black,Apes, Celebes,Barbary Apes,Black Apes,Celebes Apes,Macacas,Macaques
D008793 Metrizamide A solute for density gradient centrifugation offering higher maximum solution density without the problems of increased viscosity. It is also used as a resorbable, non-ionic contrast medium. Amipak,Amipaque
D009192 Myelography X-ray visualization of the spinal cord following injection of contrast medium into the spinal arachnoid space. Cisternography, Myelographic,Myelographic Cisternography,Cisternographies, Myelographic,Myelographic Cisternographies,Myelographies
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001100 Arachnoiditis Acute or chronic inflammation of the arachnoid membrane of the meninges most often involving the spinal cord or base of the brain. This term generally refers to a persistent inflammatory process characterized by thickening of the ARACHNOID membrane and dural adhesions. Associated conditions include prior surgery, infections, trauma, SUBARACHNOID HEMORRHAGE, and chemical irritation. Clinical features vary with the site of inflammation, but include cranial neuropathies, radiculopathies, and myelopathies. (From Joynt, Clinical Neurology, 1997, Ch48, p25) Arachnoid Membrane Inflammation,Inflammation, Arachnoid Membrane,Arachnoid Membrane Inflammations,Arachnoiditides,Inflammations, Arachnoid Membrane
D012306 Risk The probability that an event will occur. It encompasses a variety of measures of the probability of a generally unfavorable outcome. Relative Risk,Relative Risks,Risk, Relative,Risks,Risks, Relative

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