|Regress, resolve||Persistent and progressive|
|Often symptomatic||Often asymptomatic|
|Growth rate: hours, days, weeks||Growth rate: weeks, months, years|
|Fluctuate in size||Persistent & progressive|
|Sometimes associated with tender, soft lymph nodes||Lymph nodes not enlarged unless associated with metastatic cancer; then they are firm & non-tender|
|Sometimes associated with systemic manifestations||Systemic manifestations occur late in the course of cancer|
|Benign Tumors||Malignant Neoplasms|
|Slow growth: months, years||Rapid growth: weeks, months|
|Overlying mucosa is usually normal unless traumatized||Overlying mucosa more likely to be ulcerated|
|Often not fixed to surrounding structures||Fixed to surrounding structures|
|May move teeth||May loosen teeth|
|Asymptomatic||More likely to be painful|
|Well circumscribed||Poorly circumscribed|
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