Pigmented Lesions of Oral Mucosa

Flashcards covering vocabulary related to pigmented lesions of the oral mucosa, including definitions of key terms, conditions, and syndromes.

Oral Purpura

A condition characterized by purple discolorations in the oral cavity, caused by various medical conditions such as HIV/AIDS, hemophilia, and kidney failure.

Café au Lait Macules

Discrete pigmented patches of skin with irregular margins, associated with syndromes like Neurofibromatosis and Albright syndrome.

Hemangioma

A benign vascular tumor often found in children, which may spontaneously regress and appear as reddish blue or deep blue lesions.

Kaposi's Sarcoma

A cancer that is associated with HIV/AIDS, presenting as purple lesions, often in the mouth.

Nevocellular Nevus

A benign proliferation of melanocytes, arising from basal-layer melanocytes.

Ecchymosis

A type of discoloration usually resulting from bleeding underneath the skin, appearing as a bruise.

Amalgam Tattoo

An oral lesion resulting from the implantation of amalgam particles in tissue, appearing as a macular blue or black stain.

Melanin

A brown pigment produced by melanocytes; its production can be influenced by factors such as genetics and sun exposure.

Sturge-Weber Syndrome

A neurocutaneous disorder characterized by facial capillary malformations and neurological abnormalities, often associated with port-wine stains.

Exogenous Pigmentation

Pigmentation resulting from external sources, such as heavy metals or medications introduced into the body.

Intrinsic Stains

Staining that occurs within the tooth itself and cannot be removed by cleaning, often due to medications or systemic conditions.

Oral Melanosis

A condition characterized by increased melanin pigmentation in the oral mucosa, commonly seen in individuals with HIV.

Harry Tongue

A condition characterized by elongated, pigmented filiform papillae on the tongue.

Peutz-Jeghers Syndrome

A genetic condition characterized by mucocutaneous pigmentation and intestinal polyposis.

Jaundice

A medical condition in which the skin and whites of the eyes turn yellow due to high bilirubin levels.

Drugs Impacting Pigmentation

Certain medications, such as minocycline and tetracycline, can cause skin and mucosal discoloration.