Table 3.
Detailed description of two false negative findings in patients operated on spine tumors
False negative cases | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Patient | Region | Pathology | Surgery | Duration | IOM modalities | IOM-baseline | IOM-changes | Neurological deterioration | Duration | Recovery |
Z.M.,f, 62 years | L1 | Mama-CA-metastasis, fracture | Vertebrectomy fusion vertebroplasty | 5 h | cmPect.,VM,TA-EP EMGPect., VM,TA nPNc-EP |
All available | None | Sensory deficit L2 | 7 days | Completely |
C.B., f, 70 years | C2-C4 | Chordoma | Decompression, and fusion, dorso-ventro-dorsal | 17 h | csT8EP cmTA,DM,ADMEP smTA,DM,ADMEP nMN,TNcEP nMN,TNsT8EP cont EMGTA,DM,ADM |
All available, but csEP and ncEP pathologic | Slowly reduction of all amplitudes | Sensory radiculopathy C5 left | 5 days | Completely |