Although the lesions will not resolve on their own, patients can be reassured that venous lakes will never evolve into something more serious such as a skin cancer. The primary medicolegal pitfall would be misdiagnosis of a clinical lesion as a melanocytic neoplasm. Careful microscopic examination would contribute to the avoidance of this misdiagnosis. Venous lake of the lip. Note the apparent actinic damage of the surrounding skin.
Venous lake becomes inconspicuous during diascopy with a glass slide.
The ultrastructure of cutaneous venous lakes. Venous lakes of the ears. Cutaneous vascular anomalies. Part I. Hamartomas, malformations, and dilation of preexisting vessels. Laser treatment of acquired vascular lesions.