Question 344 · LDEK · Benign tumors
Indicate the false statement regarding benign bone and cartilage tumors in the region of the head and neck:
- A. chondroma (CHO) may be secondary to Ollier disease or Maffucci syndrome, increasing the risk of transformation into a chondrosarcoma.
- B. osteomas (OST) nearly always occur within the facial skeleton and are often localized in the paranasal sinuses.
- C. melanotic neuroectodermal tumor of infancy (MNTI) is a low-grade tumor which is most commonly localized in the mandible.
- D. osteoid osteoma (OSO) is characterized by bone pain which can be relieved by taking acetylsalicylic acid, regardless of the tumor size.
- E. desmoplastic fibroma (DPF) may infiltrate soft tissues once it penetrates the outermost layer of the cortical bone and it may cause tooth displacements.
Hint
Recall in which jaw the melanotic neuroectodermal tumour of infancy typically arises.
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