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MEDICINE 

Dermatology - Venous Lake

2/9/2024

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Dermatology - Venous Lake 
The vascular lesion known as a venous lake is a condition that is connected with sun exposure and is found in older persons. The etiology of this condition is uncertain.

The lesion is a soft papule that ranges in color from dark blue to violaceous and is asymptomatic. It is caused by a dilated venule and primarily appears on the face, lips, and ears of individuals who are over the age of fifty. The frequency of lesions is rather low, and they persist for years. A cavity that has been dilated is then lined with a single layer of endothelial cells that have been flattened and filled with red blood cells. This cavity is then enclosed by a thin wall of fibrous tissue.

It is possible to partially compress and lighten the lesion with the use of diascopy, and the utilization of dermoscopy makes it possible to easily diagnose the lesion as a vascular lesion. The lesion is occasionally mistaken for nodular melanoma, pigmented basal cell carcinoma, or pyogenic granuloma due to its dark blue or even black hue. This is because the lesion is typically dark blue in color.
Electrosurgery, laser therapy, and, in extremely rare cases, surgical excision are treatments that can be utilized to manage the condition for cosmetic purposes.​
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