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 |