Table 1 Clinical and neuroradiological manifestations of 13 spinal cord pilocytic astrocytoma
Case/ gender/age (years) | Location/distribution | Vertebral segment | boundary | Signal intensity of solid tumor on T1WI/T2WI | Enhancement characteristics | Imaging pattern | Syringomyelia | Hemorrhage/cap sign | ADC value (10−3 mm2/s) | Treatment/prognosis |
|---|---|---|---|---|---|---|---|---|---|---|
1/F/21 | Cervical-thoracic/central | 17 | Well-defined | Low/high | Focal nodule | intermixture cystic and solid | + | −/− | STR/alive | |
2/M/7 | Thoracic/central | 4 | Well-defined | Low/high | Focal nodule | intermixture cystic and solid | + | −/− | GTR/alive | |
3/M/30 | Cervical/eccentric | 2 | Well-defined | Iso/iso | Patchy | solid with no cyst | – | +/− | 1.32 | STR/alive |
4/F/45 | Cervical/eccentric | 1 | Well-defined | Low/high | Focal nodule | intermixture cystic and solid | – | −/− | 1.17 | STR/alive |
5/M/6 | Cervical-thoracic /eccentric | 10 | Well-defined | Low/high | Focal nodule | intermixture cystic and solid | + | −/− | GTR/alive | |
6/M/22 | Cervical-thoracic /central | 9 | Well-defined | Low/high | Diffuse heterogeneous | intermixture cystic and solid | + | −/− | GTR/alive | |
7/M/54 | Cervical/eccentric | 1 | Well-defined | Low/high | Diffuse homogeneous | solid with no cyst | – | −/− | GTR/alive | |
8/M/65 | Cervical/central | 3 | Well-defined | High/low | Focal nodule | predominantly cystic | – | +/+ | GTR/alive | |
9/F/11 | Cervical/eccentric | 3 | Well-defined | Low/high | Patchy | solid with no cyst | – | −/− | STR/alive | |
10/M/43 | Cervical-thoracic /eccentric | 5 | Ill-defined | low/high | Diffuse homogeneous | intermixture cystic and solid | + | −/− | GTR/alive | |
11/F/40 | Thoracic/eccentric | 2 | Well-defined | low/high | Focal nodule | intermixture cystic and solid | + | −/− | GTR/alive | |
12/F/41 | Cervical/eccentric | 2 | Well-defined | iso/iso | Focal nodule | intermixture cystic and solid | – | −/− | 1.71 | STR/alive |
13/M/26 | Thoracic/central | 2 | Ill-defined | iso/high | Patchy | solid with no cyst | – | −/− | Biopsy/Died |