Venous Lake
WHAT IS A VENOUS LAKE?
A Venous Lake is a common, bluish, soft macule or papule due to vascular dilatation. It is most often seen on the lower lip.
WHO GETS A VENOUS LAKE?
Venous lakes are most often diagnosed in middle-aged or older males and females of any race.
WHAT IS THE CAUSE OF A VENOUS LAKE?
The cause of venous lakes are unknown.
WHAT ARE THE CLINICAL FEATURE(S) OF VENOUS LAKE?
A venous lake is a soft, squishable, blue, or purple macule or papule – ranging in size from 0.2mm to 1cm in diameter. Although these may arise anywhere, most venous lakes are diagnosed on the lower vermilion lip or mucosal surface, on an ear lobe, or elsewhere on the face, neck, or upper trunk.
HOW IS VENOUS LAKE DIAGNOSED?
Venous lakes are generally easy to diagnose clinically by its appearance. The color disappears on compression due to clearance of blood from the dilated venule. This is most easily seen using a glass slide or the lens of a contact dermatoscope. It has a structure less blue or purple appearance on dermatoscopy. A skin biopsy is rarely necessary and will show a dilated venule.
WHAT IS THE DIFFERENTIAL DIAGNOSIS OF VENOUS LAKE?
A venous lake may occasionally be confused with:
- Blue Nevus
- Cherry Angioma
- Spider Telangiectasia
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WHAT IS THE TREATMENT OF VENOUS LAKE?
A temporary scab, and the procedure may result in a scar. Methods include:
- Cryotherapy
- Electrocautery
- Sclerotherapy
- Intense Pulsed Light (IPL)
- Vascular Laser
- Surgical Excision – which is rarely necessary and will inevitably leave a scar.
