Table 3.
Pathological Findings of Biopsy/surgical Specimens at the Time of Misdiagnosis.
| Case | Specimens | Necrotizing granuloma | Non-necrotizing granuloma | Large granuloma | Maximum diameter (μm) | AFB |
|---|---|---|---|---|---|---|
| 1 | Bi | (-) | (+) | UK | UK | |
| 2 † | Bi | (-) | (+) | (+) | 780 | (+) |
| 3 ‡ | Bi | (+) | (-) | (+) | UK | (-) |
| 4 | Bi | (-) | (+) | UK | UK | |
| 5 † | S | (+) | (-) | (+) | 2,060 | (-) |
| 6 † | S | (+) | (-) | (+) | 900 | (+) |
| 7 † | Bi | (-) | (+) | (+) | 610 | (+) |
| 8 † | Bi | (+) | (-) | (+) | 1,190 | (+) |
| 9 | Bi | (-) | (+) | UK | UK | |
| 9 † | S | (+) | (-) | (+) | 870 | (-) |
| 10 | Bi | (-) | (+) | UK | UK |
†: reevaluation of specimen by the pathologist of Tokyo National Hospital
‡: reevaluation of specimen by the pathologist of prior medical facility
AFB: acid-fast bacilli, Bi: biopsy specimen, S: surgical specimen, UK: unknown