Summary of patient characteristics, histopathologic findings, tumor volume and enhancement, microvessel density, and intra- and postoperative hemorrhages in 11 patients with nonfunctioning pituitary macroadenomas
| Case/Age (yr)/Sex | Initial/Recurrence | Histopathology | Tumor Volume (cm) | Degree of Enhancement of Tumor | ASL-PI nTBF | ASL-PI TBF (mL/min/100 g) | CD-31 %Vessel | Intraoperative Vascularity Findings | Postoperative Hemorrhage |
|---|---|---|---|---|---|---|---|---|---|
| 1/72/M | Initial | SGA | 11.4 | 1.48 | 1.94 | 94.4 | 24.0 | (+) | (+)a |
| 2/52/M | Recurrence | NCA | 8.7 | 1.50 | 0.47 | 29.5 | 1.3 | (−) | (−) |
| 3/63/M | Initial | SGA | 4.7 | 1.36 | 0.96 | 22.7 | 0.7 | (−) | (−) |
| 4/48/F | Recurrence | SGA | 2.2 | 1.44 | 0.75 | 51.0 | 1.7 | (−) | (−) |
| 5/54/M | Initial | SGA | 6.0 | 1.71 | 1.88 | 74.2 | 17.0 | (+) | (+) |
| 6/69/M | Recurrence | NCA | 7.7 | 1.81 | 0.72 | 26.6 | 2.6 | (−) | (−) |
| 7/60/F | Initial | NCA | 2.8 | 1.27 | 0.51 | 38.0 | 1.1 | (−) | (−) |
| 8/34/F | Initial | SGA | 4.9 | 1.88 | 0.73 | 59.5 | 1.2 | (−) | (−) |
| 9/68/M | Recurrence | NCA | 3.4 | 1.82 | 0.76 | 26.6 | 2.6 | (−) | (−) |
| 10/60/F | Initial | NCA | 9.9 | 1.68 | 2.45 | 102.6 | 19.0 | (+) | (+) |
| 11/67/M | Recurrence | SGA | 4.7 | 1.96 | 1.03 | 46.2 | 6.4 | (−) | (−) |
Note:—SGA indicates gonadotroph adenoma; NCA, null cell adenoma; ASL-PI nTBF, tumor blood flow normalized to the cerebellum measured with ASL-PI; ASL-PI TBF, absolute tumor blood flow (milliliters per minute per 100 g) measured with ASL-PI; (−), hypovascular; +, hypervascular.
↵a Symptomatic hemorrhage.