Neurofibromatosis (Von Recklinghausen's Disease) Types Quiz

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Questions and Answers

Which type of neurofibromatosis is characterized by the presence of acoustic Schwannomas?

  • Both Type I and Type II
  • Type I (correct)
  • Type II
  • Neither Type I nor Type II

What is a common characteristic of Type I neurofibromatosis?

  • Presence of optic nerve gliomas
  • Lack of cafe au lait spots
  • Malignant transformation of neurofibromas (correct)
  • Absence of eye lesions

Which type of neurofibromatosis resembles type I but without eye affection?

  • Both Type I and Type II
  • Type I
  • Type II (correct)
  • Neither Type I nor Type II

Which type of tumor arises from Schwann (neurilemma) cells of the peripheral nerves?

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

What is the term for multiple neurofibromas involving a long segment of a peripheral nerve?

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

Which cranial nerve is one of the famous sites of schwannoma?

<p>Acoustic (8th cranial) nerve (A)</p> Signup and view all the answers

What is the characteristic microscopically of Antoni type A pattern in Schwannoma?

<p>Spindle-shaped cells with elongated nuclei in parallel bundles (C)</p> Signup and view all the answers

Which type of tumor appears as a rubbery expansion of the affected nerve without being demarcated from the nerve?

<p>Plexiform neurofibroma (A)</p> Signup and view all the answers

What is the significant risk associated with neurofibroma?

<p>Presence of malignant transformation (A)</p> Signup and view all the answers

Which type of neurofibromatosis resembles type I but without eye affection?

<p>Type II neurofibromatosis (D)</p> Signup and view all the answers

What is the term for a benign tumor arising from Schwann (neurilemma) cells of the peripheral nerves?

<p>Schwannoma (D)</p> Signup and view all the answers

Which type of tumor appears as a rubbery expansion of the affected nerve and is not demarcated from the nerve?

<p>Neurofibroma (D)</p> Signup and view all the answers

What is the term given to multiple neurofibromas involving a long segment of a peripheral nerve?

<p>Plexiform neurofibroma (A)</p> Signup and view all the answers

Which cranial nerve is one of the famous sites of schwannoma?

<p>8th cranial nerve (D)</p> Signup and view all the answers

What is the microscopic characteristic of Antoni type A pattern in Schwannoma?

<p>Spindle-shaped cells with elongated nuclei occurring in parallel bundles (A)</p> Signup and view all the answers

What is the significant risk associated with neurofibroma?

<p>Risk of malignant transformation (D)</p> Signup and view all the answers

Which type of neurofibromatosis resembles type I but without eye affection?

<p>Type II neurofibromatosis (D)</p> Signup and view all the answers

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