Oral Discoloration: Benign and Malignancy #1

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Questions and Answers

What is the difference between amalgam tattoo and melanoma?

  • Amalgam tattoo is a benign pigmentation while melanoma is a malignant skin cancer. (correct)
  • Amalgam tattoo has a black-blue-gray color while melanoma has a tan to dark-brown color.
  • Amalgam tattoo has a rare chance of malignancy while melanoma has a high chance of malignancy.
  • Amalgam tattoo is malignant while melanoma is benign.

Which of the following is a malignant skin cancer with a poor prognosis?

  • Melanoma (correct)
  • Oral melanotic macule
  • Amalgam tattoo
  • Acquired nevus

Which of the following is a malignant skin cancer with a poor prognosis?

  • Melanoma (correct)
  • Oral melanotic macule
  • Amalgam tattoo
  • Acquired nevus

What is the difference between amalgam tattoo and melanoma?

<p>Amalgam tattoo is a benign pigmentation while melanoma is a malignant skin cancer. (A)</p> Signup and view all the answers

What is the chance of malignant transformation in congenital nevus?

<p>15-20% (C)</p> Signup and view all the answers

What is the chance of malignant transformation in congenital nevus?

<p>15-20% (C)</p> Signup and view all the answers

What is the chance of malignant transformation for congenital nevus?

<p>3-15% (A)</p> Signup and view all the answers

What is the chance of malignant transformation for congenital nevus?

<p>3-15% (A)</p> Signup and view all the answers

What is the cause of smoker's melanosis?

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

What causes smoker's melanosis?

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

What is the cause of smoker's melanosis?

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

What causes smoker's melanosis?

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

What is Peutz-Jegher syndrome?

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

Which of the following is a genetic disorder with multiple melanotic macules?

<p>Peutz-Jegher syndrome (B)</p> Signup and view all the answers

What is Peutz-Jegher syndrome?

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

Which of the following is a genetic disorder with multiple melanotic macules?

<p>Peutz-Jegher syndrome (B)</p> Signup and view all the answers

What may cause melanosis?

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

What is physiologic pigmentation?

<p>A benign pigmentation and an exclusive diagnosis. (A)</p> Signup and view all the answers

What may cause melanosis?

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

What is physiologic pigmentation?

<p>A benign pigmentation and an exclusive diagnosis. (A)</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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