Pigmented Lesions of the Oral Mucosa Quiz

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Questions and Answers

Which of the following is an example of endogenous pigmentation of the oral mucosa?

  • Drug-Induced Melanosis
  • Freckle/Ephelis (correct)
  • Vitiligo
  • Amalgam Tattoo

Which condition is associated with physiologic pigmentation of the oral mucosa?

  • Hemochromatosis
  • Melasma (Chloasma)
  • Hairy Tongue (correct)
  • Café au Lait Pigmentation

Which disease is linked to melanosis of the oral mucosa?

  • HIV/AIDS-Associated Melanosis
  • Hyperthyroidism (Graves’ Disease)
  • Peutz-Jeghers Syndrome (correct)
  • Primary Biliary Cirrhosis

What is the treatment for mucocutaneous melanosis?

<p>Malignant Melanoma (A)</p> Signup and view all the answers

Which of the following is an example of exogenous pigmentation of the oral mucosa?

<p>Oral/Labial Melanotic Macule (C)</p> Signup and view all the answers

Which substances represent the most common endogenous sources of mucosal color change?

<p>Hemoglobin, hemosiderin, and melanin (A)</p> Signup and view all the answers

What can cause exogenous pigmentation in oral tissues?

<p>Traumatically deposited substances (B)</p> Signup and view all the answers

What can contribute to the color changes in the oral mucosa?

<p>Organic and inorganic substances (D)</p> Signup and view all the answers

What might cause discoloration of the dorsal tongue?

<p>Chromogenic bacteria (B)</p> Signup and view all the answers

What is essential for an accurate diagnosis of oral pigmentation?

<p>Thorough dental, medical, family, and social histories (A)</p> Signup and view all the answers

Flashcards

Endogenous oral pigmentation example

Freckles/ephelides are examples of pigmentation originating inside the body.

Physiological oral pigmentation

A normal, natural pigmentation of the oral mucosa.

Melanosis oral mucosa disease

Peutz-Jeghers syndrome is associated with dark spots in the mouth from melanin.

Exogenous oral pigmentation example

A dark spot in the mouth caused by something from outside the body.

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Common endogenous oral pigment sources

Hemoglobin, hemosiderin, and melanin are common internal sources of color changes in the mouth.

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Exogenous oral pigmentation cause

Substances from outside the body, sometimes deposited by injury.

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Oral mucosa discoloration causes

Substances, both organic and inorganic, can alter the color of the mouth's tissues.

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Tongue discoloration cause

Chromogenic bacteria can discolor the tongue's surface.

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Accurate oral pigmentation diagnosis

Detailed history (medical, family, and social) is crucial to accurately diagnose oral discoloration.

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Mucocutaneous Melanosis treatment

The treatment for this condition varies and isn't generally linked to melanoma.

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Study Notes

Endogenous Pigmentation Examples

  • An example of endogenous pigmentation in the oral mucosa includes physiological melanin deposition.
  • Conditions such as Peutz-Jeghers syndrome result in pigmentation that is considered endogenous.

Conditions Linked to Oral Mucosa Pigmentation

  • Physiologic pigmentation of the oral mucosa can manifest in certain populations, often linked to ethnic backgrounds.
  • Melanosis of the oral mucosa is often associated with systemic conditions such as Addison's disease.

Treatment Options

  • Mucocutaneous melanosis may not require treatment unless there is cosmetic concern or it is linked to an underlying disease requiring intervention.

Exogenous Pigmentation Examples

  • Tattoos or amalgam restorations are prime examples of exogenous pigmentation in the oral mucosa.

Sources of Endogenous Color Change

  • Melanin, blood, and various metabolic byproducts are common endogenous sources affecting mucosal color.

Causes of Exogenous Pigmentation

  • Exogenous pigmentation in oral tissues can result from factors such as chronic trauma, medications, or foreign materials introduced into the oral cavity.

Contributors to Oral Mucosal Color Changes

  • Various factors including systemic diseases, medications, and lifestyle choices (like smoking) can contribute to observed color changes in the oral mucosa.

Discoloration of the Dorsal Tongue

  • Factors such as localized conditions, irritants, or geographical tongue can lead to discoloration of the dorsal surface of the tongue.

Diagnosis of Oral Pigmentation

  • An accurate diagnosis of oral pigmentation necessitates a comprehensive clinical evaluation, including patient history, appearance characteristics, and potential biopsy if needed.

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