PMC5293289_01
Preoperative image of the lesion measuring 2.5 x 2 x 1.75 cm on the left lateral forehead.
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F1
Physical examination revealed a 2.5 x 2 x 1.75 cm pulsatile mass on the left lateral forehead (Figs. 1, 2).
Another view of the lesion preoperatively.
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F2
Physical examination revealed a 2.5 x 2 x 1.75 cm pulsatile mass on the left lateral forehead (Figs. 1, 2).
Intraoperative picture of the lesion consistent with Masson's tumor.
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F3
Distal vascular structures were ligated, followed by proximal vessels (Fig. 3).
Histological features of IPEH showing endothelial cell proliferation, fibrinous deposits, and dilated vascular spaces (H&E, low and magnified high power).
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F4
Proliferation of endothelial cells with fibrin deposition was identified, with no evidence of atypia or mitoses (Fig. 4).
Postoperative image at 4-week follow-up with excellent aesthetic outcome.
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F5
The aesthetic result was excellent, despite the history of previous injury and type of initial wound repair (Fig. 5).