Table 4.
Radiological findings in TBM patients with cerebral infarcts (n = 52).
| Patients, n = 52 | Left (n, %) | Right (n, %) | Both (n, %) | |
|---|---|---|---|---|
| Cerebral infarcts (n, % out of all TBM patients) | (52, 57.7%) | |||
| Thalamus | 17 | 5 | 8 | 4 |
| Anteromedial thalamus | 5 | 2 | 2 | 1 |
| Posterolateral thalamus | 4 | 2 | 1 | 1 |
| Whole thalamus | 8 | 1 | 5 | 2 |
| Basal ganglia | 20 | |||
| Basal ganglia | 9 | 2 | 7 | |
| Globus pallidus | 6 | 2 | 3 | 1 |
| Putamen | 5 | 5 | ||
| Caudate | 12 | 4 | 8 | 0 |
| Head | 5 | 2 | 3 | |
| Head and body of caudate | 7 | 2 | 5 | |
| Temporal | 4 | 3 | 1 | |
| Parietal | 2 | 1 | 1 | |
| Frontal | 11 | 4 | 6 | 1 |
| Occipital | 3 | 2 | 1 | |
| Opercular region | 7 | 2 | 5 | |
| Corona radiata | 10 | 4 | 6 | |
| Corpus callosum (body/genu/splenium) | 5 (1/1/3) | |||
| Internal capsule | 21 | 8 | 13 | |
| Anterior limb | 6 | 3 | 3 | |
| Genu | 3 | 2 | 1 | |
| Posterior limb | 12 | 3 | 9 | |
| Midbrain | 6 | |||
| Pons | 8 | |||
| Medulla | 1 | |||
| Cerebellar vermis | 1 | |||
| Cerebellar hemisphere | 3 | 2 | 1 | |
| Multiple infarcts | 40 (44.4% of all TBM patients, 77% of patients with infarcts) | |||
| Classification of cerebral infarction according to vascular supply (n, % out of all 52 patients with infarcts) | ||||
| Medial lenticulostriate arteries | 12 (23%) | |||
| Lateral lenticulostriate arteries | 26 (50%) | |||
| Perforators from posterior cerebral artery and basilar artery | 26 (50%) | |||
| Combined cortical and perforators branches | 22 (42.3%) | |||
| Only cortical branches | 8 (15.4%) | |||
| Superior cerebellar artery | 1 (2%) | |||
| Posterior inferior cerebellar artery | 3 (6%) | |||
| Classification of cerebral infarction according to Hsieh classification (n, % out of all 52 patients with infarcts) | ||||
| TB zone | 7 (13%) | |||
| Ischemic zone | 18 (35%) | |||
| Combined TB zone and ischemic zone | 8 (15%) | |||
| Vasculitis (n, % out of all 29 patients with abnormal MRA) | ||||
| Terminal internal carotid artery | 9 (31.0%) | 2 mild, 2 moderate, 1 severe | 1 moderate | 3 moderate |
| Middle cerebral artery | 22 (75.8%) | 3 mild, 2 moderate, 1 severe, 1 occlusion | 4 moderate 3 severe | 5 mild, 2 moderate, 1 occlusion |
| Anterior cerebral artery | 11 (37.9%) | 2 moderate, 1 severe | 4 moderate, 2 severe | 1 mild, 1 moderate |
| Posterior cerebral artery | 6 (20.7%) | 1 severe | 1 moderate | 3 moderate, 1 severe |
| Basilar artery | 3 (10.3%) (1 mild, 2 severe) | |||
| Diffuse vasospasm with generalized involvement, distal paucity of vessels and beaded appearance | 6 (20.7%) |
MRA: magnetic resonance angiography; TB: tubercular; TBM: tuberculous meningitis.