A venous lake (also known as phlebectasis) is a generally solitary, soft, compressible, dark blue to violaceous, 0.2- to 1-cm papule commonly found on sun-exposed surfaces of the vermilion border of the lip, face and ears. Lesions generally occur among the elderly.Though these lesions may resemble nodular melanoma, the lack of induration, slow growth, and lightening appearance upon diascopy suggest against it, and indicate a vascular lesion. Additionally, lack of pulsation distinguishes this lesion of the lower lip from a tortuous segment of the inferior labial artery. Cause
The cause is unknown; however it is thought to be associated with sun exposure, leading to a dilated blood-filled vascular channel "...lined with a singled layer of flattened endothelial cells and a thin wall of fibrous tissue filled with red blood cells." Treatment
Treatment may be requested for cosmetic reasons. Traditional techniques such as surgical excision are effective but will leave a scar. Laser therapy has become the mainstay of therapy. Published research suggests that the Long Pulsed Nd:YAG laser is a very effective, with a clearance rate of 94% following a single treatment. In this study no scarring or other complications were reported. History
The term was coined by American physician William Bennett Bean. Images
See also
List of cutaneous conditions

Footnotes


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In terms of steroid strength, it is more potent than hydrocortisone, and less potent than dexamethasone.Some low-quality evidence suggests the use of mometasone for symptomatic improvement in children with adenoid hypertrophy.Mometasone is used to alleviate inflammation and itchiness in skin conditions that respond to treatment with glucocorticoids such as psoriasis and atopic dermatitis.Nasal mometasone is used in adults (including the elderly) and children over two years of age, to diminish the symptoms of hay fever (seasonal allergic rhinitis) and other allergies (perennial rhinitis), including nasal congestion, discharge, pruritus, and sneezing and to treat nasal polyps.It is not useful for the common cold. Asthma
Mometasone furoate can be used with formoterol for the treatment of asthma, due to its anti-inflammatory properties. Contraindications
People should not use inhaled mometasone or mometasone nasal spray if:

glaucoma or cataracts
hypersensitivity or allergic to any ingredient in mometasoneThose who are using mometasone nasal or inhaled for a long period of time (e.g. more than three months) should get regular eye exams to check for glaucoma and cataracts and should take precautions to avoid infections such as taking a vitamin D supplement, staying away from those with an infection (chickenpox, measles, colds or flu, COVID-19), washing foods, hand washing and calling a family doctor at the first sign of a severe infection. People should not use mometasone topical (skin cream) if:

hypersensitive or allergic to any ingredient in the skin creamMometasone furoate is in class C in terms of safety while use during pregnancy. Therefore, its risks to the baby cannot be ruled out.