Question 311 · LDEK · Malignant tumors
Select the false statement describing primary intraosseous odontogenic squamous cell carcinoma (PIOSCC):
- A. it develops de novo.
- B. it develops secondary to keratocystic odontogenic tumour (KCOT), odontogenic cyst and squamous odontogenic tumour (SOT).
- C. de-novo solid type PIOSCC develops only in the maxilla.
- D. it has to be differentiated with mucoepidermoid carcinoma, keratoameloblastoma, squamous odontogenic tumour and squamous cell metastasis from a different site.
- E. bone expansion and mucosal ulceration are the early signs that precede the onset of neurologic disturbances and pain.
Hint
A carcinoma growing deep inside bone produces symptoms from nerves and teeth before it breaks through to the mucosa.
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