Follow-up, biopsy findings, and definitive diagnosis of 16 pseudotumoral lesions
| Case No. | Follow-up (Months/Evolution of Lesion) | Histologic Examination | Final Diagnosis |
|---|---|---|---|
| 2 | 77 m/Focal atrophy | No | Acute arterial infarct |
| 13 | 26 m/Lesion regression. Detection of new lesions on follow-up | Yes, brain tissue without abnormalities | Multiple sclerosis |
| 17 | 14 m/Lesion regression | No | Acute disseminated encephalomyelitis |
| 28 | 30 m/Lesion regression | Yes, brain tissue without abnormalities | Multiple sclerosis |
| 33 | 2 m/Lesion regression | No | Unspecific |
| 34 | 75 m/Lesion regression. Detection of new lesions on follow-up | Yes, inflammatory, gliosis | Multiple sclerosis |
| 42 | 35 m/Focal atrophy | Yes, inflammatory, gliosis | Unspecific |
| 52 | 30 m/Lesion regression. Resolution of contrast enhancement | Yes, inflammatory, gliosis | Unspecific |
| 60 | 8 m/Lesion regression. Resolution of contrast enhancement | No | Multiple sclerosis |
| 62 | 27 m/Lesion regression | Yes, inflammatory | Unspecific |
| 64 | 20 m/Lesion regression. Resolution of contrast enhancement | No | Unspecific |
| 68 | 8 m/Lesion resolution | Yes, inflammatory | Unspecific |
| 72 | 6 m/Lesion regression. Focal atrophy | No | Acute arterial infarct |
| 78 | 11 m/Lesion regression | No | Acute arterial infarct |
| 80 | 4 m/Lesion regression | No | Venous infarct |
| 82 | 8 m/Lesion regression | No | Multiple sclerosis |