Clinicopathological parameters | No of cases (%) |
Age (years) | Mean 46, Median 46, Range 15–70 |
< Mean age | 50 (45.9%) |
≥ Mean age | 59 (54.1%) |
Ethnicity | |
Chinese | 67 (61.5%) |
Malay | 21 (19.3%) |
Indian | 10 (9.2%) |
Others | 11 (10.1%) |
Tumour size (cm) | Mean 6, Median 4, Range 1.2–25 |
< Mean size | 71 (65.1%) |
≥ Mean size | 38 (34.9%) |
Grade | |
Benign | 70 (64.2%) |
Borderline | 30 (27.5%) |
Malignant | 9 (8.3%) |
Microscopic borders | |
Circumscribed | 78 (71.6%) |
Permeative | 31 (28.4%) |
Stromal hypercellurity | |
Mild | 52 (47.7%) |
Moderate | 49 (45.0%) |
Marked | 8 (7.3%) |
Stromal cell atypia | |
Absent | 48 (44.0%) |
Mild | 35 (32.1%) |
Moderate | 21 (19.3%) |
Marked | 5 (4.6%) |
Stromal overgrowth | |
Absent | 89 (81.7%) |
Present | 20 (18.3%) |
PASH | |
Absent | 106 (97.2%) |
Present | 3 (2.8%) |
Mitosis | |
0–4 | 69 (63.3%) |
5–9 | 26 (23.9%) |
≥10 | 14 (12.8%) |
Myxoid changes | |
Absent | 36 (33%) |
Present | 73 (67%) |
Microscopic haemorrhage | |
Absent | 57 (52.3%) |
Present | 52 (47.7%) |
Necrosis | |
Absent | 97 (89%) |
Present | 12 (11%) |
Cystic changes | |
Absent | 104 (95.4%) |
Present | 5 (4.6%) |
Stromal metaplasia | |
Absent | 107 (98.2%) |
Present | 2 (1.8%) |
PASH, pseudoangiomatous stromal hyperplasia.