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These macules often vary in shades of brown, size and are confluent, Although any oral site can be affected, in almost all cases pigmented macules appear on the buccal mucosae, lips and around the mouth. Pigmented macules on the face are less common. The extent of oral involvement and degree of pigmentation varies between each individual case.
Fordyce spots on scrotum Fordyce spots on lips. On the shaft of the penis, Fordyce spots are more visible when the skin is stretched, and may only be noticeable during an erection. [8] The spots can also appear on the skin of the scrotum. [8] Oral Fordyce granules appear as rice-like granules, white or yellow-white in color.
The skin of the face is thicker than the skin overlying the lips where blood vessels are closer to the surface. As a consequence, the margin of the lips shows a transition between the thicker and thinner skin, represented by the vermilion border. It therefore has the appearance of a sharp line between the coloured edge of the lip and adjoining ...
Most patients will develop flat, brownish spots (melanotic macules) on the skin, especially on the lips and oral mucosa, during the first year of life, and a patient's first bowel obstruction due to intussusception usually occurs between the ages of six and 18 years. The cumulative lifetime cancer risk begins to rise in middle age.
Smoker's melanosis is seen with the naked eye as a brown to black pigmentation of the oral tissue i.e. the gums, [1] cheeks or palate [2] as well as in larynx. [3] [4] It is most often seen in the lower labial gingiva of tobacco users. Most easily it is found in Caucasians, due to their lack of a genetically caused melanin pigmentation. [5] [6]
There are a wide range of depigmenting treatments used for hyperpigmentation conditions, and responses to most are variable. [11]Most often treatment of hyperpigmentation caused by melanin overproduction (such as melasma, acne scarring, liver spots) includes the use of topical depigmenting agents, which vary in their efficacy and safety, as well as in prescription rules.
Plectorhinchus pica has fleshy lips which swell with age. There are 6 pores on its chin bit there is no median pit. [2] The dorsal fin contains 12-14 spines and 17-20 soft rays while the anal fin has 3 spines and 7-8 soft rays. [1] The adults are patterned with dark brown spots which cover the head, back, flanks and fins.
Such cells might then aggregate into a spot with an irregular shape. [13] They propose that the protrusion of a flat spot is a result of the death of aged cells in the spot and release of lipofuscin bodies. [13] The aggregating cells would form a capsule, and the dense lipofuscin bodies make the protruding spot soft and dark in color. [13]