Table 1 Histological features of SPNs in patients above 20 years (n = 21)
Histological Features | Number of cases | Percentage (%) |
|---|---|---|
Pseudopapillary architecture | 21 | 100% |
Solid areas | 21 | 100% |
Eosinophilic cytoplasm | 16 | 76.2% |
Myxoid stroma | 12 | 57.1% |
Hemorrhage | 13 | 61.9% |
Infarction | 14 | 66.7% |
Fibrosis | 10 | 47.6% |
Foamy/ hemosiderin laden macrophages | 12 | 57.1% |
Clear cells | 15 | 71.4% |
Hyaline globules | 16 | 76.2% |
Necrosis | 5 | 23.8% |
Cholesterol clefts | 5 | 23.8% |
Cystic degeneration | 12 | 57.1% |
Microcystic change | 11 | 52.4% |
Nuclear grooves | 10 | 47.6% |
Mitotic activity | 3 | 14.3% |
Atypical cells | 3 | 14.3% |
Giant cells | 2 | 9.5% |
Calcification | 3 | 14.3% |