INBDE (Integrated National Board Dental Examination) Practice Exam

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What is characteristic of a schwannoma?

  1. Verocay bodies in Antoni A tissue

  2. Multiple café au lait spots

  3. Lower lip occurrence

  4. Floor of mouth occurrence

The correct answer is: Verocay bodies in Antoni A tissue

A schwannoma is a type of benign nerve sheath tumor commonly found in the head and neck region. The characteristic feature of a schwannoma is the presence of Verocay bodies in Antoni A tissue, which are specific patterns of cellular arrangement seen under a microscope. These are not present in the other options, making them incorrect. Café au lait spots are associated with neurofibromatosis type 1, but not specific to schwannomas. Lower lip and floor of mouth occurrences are not characteristic features of schwannomas.