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A venous lake is a soft, squashable, blue or purple macule or papule, that is 0.2–1 cm in diameter. Although they may arise anywhere, most venous lakes are diagnosed on the lower lip (on the vermilion margin or mucosal surface), on an earlobe, or elsewhere on the face, neck, or upper trunk.
able and can range from focal to diffuse macule, small nodular growth to a large mass1. They may be black, gray, blue, purple or brown in color. The color of oral pigmentation may vary depending upon the quantity, depth or location of the pigment. Generally, the surface shows brown pigmentation and those located deeper are black or blue.2
16 lis 2018 · Learn in-depth information on Melanotic Macules of Oral Mucosa, its causes, symptoms, diagnosis, complications, treatment, prevention, and prognosis.
10 sie 2020 · On pressing, the color of the venous lake macule or papule disappears as the blood is cleared from the site. This finding is pathognomonic of this condition. A glass slide or the lens of a dermatoscope can be used to elicit this sign.
Nearly all solitary pigmented lesions require a biopsy to rule out oral mucosal melanoma; multiple lesions typically indicate a systemic condition. In this article, we will discuss the various common presentations of pigmented lesions of the oral cavity and their management.
24 cze 2024 · The most common locations for an oral melanotic macule include the: Lips, especially the lower lip. Gums (gingiva). Inner cheek (buccal mucosa). Roof of the mouth (hard or soft palate). An oral melanotic macule appears as a brown or grayish-brown macule (a small flat, smooth area of skin or mucosa) usually less than 7 mm in diameter.
Addison disease and Peutz-Jeghers syndrome also appear in perioral and oral locations as pigmented macules. Oral pigmentations may range from light brown to blue-black, red, or purple. The color depends on the source of the pigment and the depth of the pigment from which the color is derived.
