PMC6875262_01
Optical coherence tomographic images of the Case 1 before the operation (a), and one week (b), one month (c), and 3 months (d) after the operation.
CRIOPM2019-6054215.001.jpg
PMC6875262_01_CRIOPM2019-6054215.001.jpg
fig1
The button was resorbed slowly until the third postoperative month, and replaced by neuroglial proliferation which closed the hole completely (Figure 1).
PMC6875262_02
Optical coherence tomographic images of the Case 2 before the operation (a), and one week (b), and 3 months (c) after the operation.
CRIOPM2019-6054215.002.jpg
PMC6875262_02_CRIOPM2019-6054215.002.jpg
fig2
The week after the application of PRF, the hole was shown to be closed on OCT (Figure 2).