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Comparison of quantitative parameters between microadenoma subtypes.
| Group | Cases, n | Ktrans/min | Kep/min | Ve |
|---|---|---|---|---|
| PRL tumor | 38 | 0.428±0.282 | 0.675±0.316 | 0.772±0.310 |
| ACTH tumor | 17 | 0.391±0.252 | 0.713±0.312 | 0.689±0.297 |
| GH tumor | 21 | 0.617±0.299 | 0.968±0.398 | 0.911±0.415 |
| F | 3.988 | 5.270 | 2.168 | |
| P-value | 0.023 | 0.007 | 0.097 |
PRL, prolactin; ACTH, adrenocorticotropic hormone; GH, growth hormone; Ktrans, volume transfer constant; Kep, rate constant; Ve, extracellular extravascular volume fraction.
