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Table 2: Enhancement patterns of the vascular pedicle nasoseptal flap on immediate and delayed postoperative MR images
Patient No. and Condition Flap Enhancement Immediate Postoperative MR Image (Y/N) Flap Enhancement Follow-up Postoperative MR Image (Y/N) Average Flap Thickness Immediate Postoperative MR Image (mm) Average Flap Thickness Follow-up Postoperative MR Image (mm)
1. Pituitary microadenoma Y Y 5 7
2. Pituitary apoplexy Y Y 5 3.5
3. Pituitary macroadenoma Y Y 6 3
4. Pituitary microadenoma Y Y 4 3
5. Pituitary macroadenoma with hemorrhage Y Y 3 4
6. Pituitary microadenoma Y N 2.5 –
7. Pituitary microadenoma N Y – 2
8. Pituitary macroadenoma N Y – 3
9. Pituitary microadenoma Y Y 6 4
10. Pituitary macroadenoma Y Y 4 3
Note:—N indicates no; Y, yes.

Patient No. and Condition	Flap Enhancement Immediate Postoperative MR Image (Y/N)	Flap Enhancement Follow-up Postoperative MR Image (Y/N)	Average Flap Thickness Immediate Postoperative MR Image (mm)	Average Flap Thickness Follow-up Postoperative MR Image (mm)
1. Pituitary microadenoma	Y	Y	5	7
2. Pituitary apoplexy	Y	Y	5	3.5
3. Pituitary macroadenoma	Y	Y	6	3
4. Pituitary microadenoma	Y	Y	4	3
5. Pituitary macroadenoma with hemorrhage	Y	Y	3	4
6. Pituitary microadenoma	Y	N	2.5	–
7. Pituitary microadenoma	N	Y	–	2
8. Pituitary macroadenoma	N	Y	–	3
9. Pituitary microadenoma	Y	Y	6	4
10. Pituitary macroadenoma	Y	Y	4	3