Oral Discoloration: Benign and Malignancy #2

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Questions and Answers

Which type of pigmentation has a rare chance of malignancy?

  • Amalgam tattoo
  • Acquired nevus (correct)
  • Congenital nevus
  • Melanoma

Which type of pigmentation has a rare chance of malignancy?

  • Amalgam tattoo
  • Acquired nevus (correct)
  • Congenital nevus
  • Melanoma

What is the chance of malignant transformation in congenital nevus?

  • 6-10%
  • 1-2%
  • 3-5%
  • 11-15% (correct)

What is the chance of malignant transformation in congenital nevus?

<p>11-15% (D)</p> Signup and view all the answers

What is the color of oral melanotic macule?

<p>Tan to dark-brown (C)</p> Signup and view all the answers

What is the color of oral melanotic macule?

<p>Tan to dark-brown (C)</p> Signup and view all the answers

What are the causes of melanosis?

<p>Medication, smoking, gene mutation, or hormone abnormality (C)</p> Signup and view all the answers

What are the causes of melanosis?

<p>Medication, smoking, gene mutation, or hormone abnormality (C)</p> Signup and view all the answers

What is drug-induced melanosis caused by?

<p>Certain medications (A)</p> Signup and view all the answers

What is drug-induced melanosis caused by?

<p>Certain medications (A)</p> Signup and view all the answers

What is smoker's melanosis?

<p>A diffuse or ill-defined patchy pigmentation in the mouth (C)</p> Signup and view all the answers

What is smoker's melanosis?

<p>A diffuse or ill-defined patchy pigmentation in the mouth (C)</p> Signup and view all the answers

What is Peutz-Jegher syndrome?

<p>A genetic disorder with multiple melanotic macules (D)</p> Signup and view all the answers

What is Peutz-Jegher syndrome?

<p>A genetic disorder with multiple melanotic macules (D)</p> Signup and view all the answers

Which type of pigmentation is an exclusive diagnosis?

<p>Physiological pigmentation (B)</p> Signup and view all the answers

Which type of pigmentation is an exclusive diagnosis?

<p>Physiological pigmentation (B)</p> Signup and view all the answers

What is the color of amalgam tattoo?

<p>All of the above (D)</p> Signup and view all the answers

What is the color of amalgam tattoo?

<p>All of the above (D)</p> Signup and view all the answers

Which type of pigmentation has poor prognosis?

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

Which type of pigmentation has poor prognosis?

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

What is the chance of malignant transformation in acquired nevus?

<p>Rare chance (C)</p> Signup and view all the answers

What is the chance of malignant transformation in acquired nevus?

<p>Rare chance (C)</p> Signup and view all the answers

What may cause melanosis?

<p>Medication, smoking, gene mutation, or hormone abnormality (D)</p> Signup and view all the answers

What may cause melanosis?

<p>Medication, smoking, gene mutation, or hormone abnormality (D)</p> Signup and view all the answers

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Study Notes

  1. Amalgam tattoo is a benign pigmentation with black-blue-gray color.
  2. Melanoma is a malignant skin cancer with poor prognosis.
  3. Acquired nevus is benign with a rare chance of malignancy.
  4. Congenital nevus has 3-15% chance of malignant transformation.
  5. Oral melanotic macule is a benign pigmentation with tan to dark-brown color.
  6. Melanosis may be caused by medication, smoking, gene mutation, or hormone abnormality.
  7. Drug-induced melanosis may be caused by certain medications.
  8. Smoker's melanosis is a diffuse or ill-defined patchy pigmentation in the mouth.
  9. Peutz-Jegher syndrome is a genetic disorder with multiple melanotic macules.
  10. Physiologic pigmentation is a benign pigmentation and an exclusive diagnosis.

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