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. 2007 Jul 28;16(Suppl 2):197–208. doi: 10.1007/s00586-007-0422-y

Table 4.

Detailed description of a false positive finding in a patient operated on for spinal tumor

False positive case
Patient Region Pathology Surgery Duration IOM modalities IOM-baseline IOM-changes Expected neurological deficit
P.M., f, 53 years C0-T1 Developmental tumor with Arnold-Chiari Malformation Dekompression C1–C2 from dorsal 4.5 h cmBR,ADM-EP
nMN,TNc-EP
EMG BR,ADM
Normal potentials Alteration of nMNcEP both sides left nMN,TNcEP Ataxia left side