Table 2. Diagnostic value of methylene blue spray.
| 5 min after methylene blue spray | Histopathology | |
|---|---|---|
| Positive for parathyroid gland (n = 13) | Negative for parathyroid gland (n = 81) | |
| Rapid wash-out (n = 47) | 12 | 35 |
| Stained blue (n = 47) | 1 | 46 |
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