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The most common color is blue, although they can be blue-gray, blue-black or even deep brown. The Mongolian spot is a congenital developmental condition exclusively involving the skin. The blue colour is caused by melanocytes, melanin-containing cells, that are deep under the skin. [6]
Smoker melanosis in a patient consuming 2 packs of cigarette per day. Smoking or the use of nicotine-containing drugs is the cause to Smoker's melanosis. [10] [11] Tar-components (benzopyrenes) are also known to stimulate melanocytes to melanin production, and other unknown toxic agents in tobacco may also be the cause.
Most common oral sites include: buccal mucosa, lips, gums, hard palate or tongue. Intraoral sites are usually seen as the first sign and they usually develop prior to the skin lesions. [ 11 ] In developing countries, this disease is often associated with tuberculosis, where the infection can lead to destruction of the adrenal gland.
Inflammatory papillary hyperplasia almost exclusively involves the hard palate, specifically the vault of the palate. Extension of the lesion to the mucosa of the residual ridges have also been observed. 11% to 13.9% of patients who wear maxillary complete dentures with complete palatal coverage has been reported to have IPH. [22]
The origin of Stevenson's Black Spot might be in the historical tradition of Caribbean pirates of showing an ace of spades to a person condemned as traitor or informer. The card was putting the person dangerously "on the spot", as the ace bears a single pip .
Emojis can be so helpful yet so confusing. Here's a breakdown of what the black heart emoji means and how and when it can be used.
This is followed by a thorough clinical investigation including extra-oral and intra-oral hard and soft tissues. [5] It is sometimes the case that a diagnosis and treatment regime are possible to determine from history and examination, however it is good practice to compile a list of differential diagnoses. Differential diagnosis allows for ...
A beauty mark or beauty spot is a euphemism for a type of dark facial mark so named because such birthmarks are sometimes considered an attractive feature. [1] Medically, such "beauty marks" are generally melanocytic nevus, more specifically the compound variant. Moles of this type may also be located elsewhere on the body, and may also be ...