Key result
Total excision of an intravascular papillary endothelial hyperplasia associated with a venous pool in the lower lip resulted in no recurrence after more than 1 year of follow-up.
Case Report (n=1)
Intravascular papillary endothelial hyperplasia is a benign vascular lesion that can mimic malignant tumors clinically and radiologically, but can be successfully treated with total excision.
Intravascular papillary endothelial hyperplasia is a benign nonneoplastic vascular lesion that consists of endothelial cells with abundant vascular tissue with papillary proliferation. An adult female had a painless growing dark red nodule on the left side of the lower lip and often touched and gnawed at it for more than 4 years. The lesion was a tender, smooth mass approximately 1 cm in diameter without discoloration reaction. Magnetic resonance imaging of the lesion showed specific findings. She was diagnosed clinically as having mimicked hemangioma, and the lesion was totally excised under local anesthesia. Histopathological examination revealed that papillary proliferated endothelial cells with venous pool, and the lesion was diagnosed as intravascular papillary endothelial hyperplasia associated with venous pool. There has been no recurrence for more than 1 year. Despite the benign nature of this lesion, it could have been mistaken for a malignant tumor because of its clinical course and radiologic findings.
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Yonezawa et al. (2009) conducted a case report in Intravascular papillary endothelial hyperplasia associated with venous pool (n=1). Total excision under local anesthesia was evaluated on Recurrence. Total excision of an intravascular papillary endothelial hyperplasia associated with a venous pool in the lower lip resulted in no recurrence after more than 1 year of follow-up.
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