Table 2.
Diagnostic efficacy by DWI and T2WI.
| Diagnosis | No. of Cases | Supporting Results | Contradicting Results | ||||
|---|---|---|---|---|---|---|---|
| DWI: Malignant T2WI: Malignant | DWI: Benign T2WI: Benign | DWI: Malignant T2WI: Benign | DWI: Benign T2WI: Malignant | ||||
| Diagnosis | Malignant | Mucinous AD | 13 | 1 (7.7%) | 6 | 0 | 6 |
| Acinar AD | 58 | 44 (75.9%) | 2 | 0 | 12 | ||
| Papillary AD | 62 | 53 (85.5%) | 0 | 2 | 7 | ||
| Lepidic AD | 27 | 25 (92.6%) | 1 | 0 | 1 | ||
| Micropapillary AD | 7 | 6 (85.7%) | 0 | 1 | 0 | ||
| Solid AD | 16 | 14 (87.5%) | 0 | 1 | 1 | ||
| Adenosquamous ca. | 3 | 3 (100%) | 0 | 0 | 0 | ||
| Squamous cell ca. | 60 | 46 (76.7%) | 1 | 10 | 3 | ||
| LCNEC | 4 | 2 (50%) | 0 | 0 | 2 | ||
| Large cell ca. | 3 | 2 (66.7%) | 0 | 1 | 0 | ||
| Carcinoid | 2 | 1 (50%) | 0 | 1 | 0 | ||
| Small cell ca. | 6 | 6 (100%) | 0 | 0 | 0 | ||
| Carcinosarcoma | 1 | 0 (0%) | 0 | 1 | 0 | ||
| Total | 262 | 203 (95.8%) | 10 (30.3%) | 17 (65.4%) | 32 (74.4%) | ||
| Pneumonia/ Organized pneumonia |
15 | 2 | 7 (46.7%) | 2 | 4 | ||
| Mycobacterial infection | 13 | 2 | 2 (15.4%) | 4 | 5 | ||
| Pulmonary abscess | 8 | 2 | 3 (37.5%) | 2 | 1 | ||
| Benign | Pulmonary scar/ Puimonary granuloma |
4 | 2 | 2 (50%) | 0 | 0 | |
| Sarcoidosis | 1 | 0 | 1 (100%) | 0 | 0 | ||
| Hamartoma | 5 | 0 | 5 (100%) | 0 | 0 | ||
| Pulmonary sequestration | 2 | 0 | 1 (50%) | 0 | 1 | ||
| Other diseases | 4 | 1 | 2 (505) | 1 | 0 | ||
| Total | 52 | 9 (4.2%) | 23 (69.7%) | 9 (34.6%) | 11 (25.6%) | ||
| Total | 314 | 212 (100%) | 33 (100%) | 26 (100%) | 43 (100%) | ||