Oral Path 2 Flashcards
True or false… biopsy is mandatory with any leukoplakia
True
Proliferative verrucous leukoplakia is recurrent and warty. It may be associated with HPV ___ and ___. It has a high risk of malignant transformation to ___ and ___
16 and 18
SCC or verrucous carcinoma
Which has a higher risk of malignancy, leukoplakia or erythroplakia?
Erythroplakia
What is actinic cheilitis?
Lip inflammation/crusties due to sun damage (UVB rays especially)
What are the two highest risk sites for cancer lesions?
FOM
Posterior lateral tongue
Malignant neoplasm is a term given to cancer as soon as it invades past the ____
Basement membrane
Verrucous carcinoma is a [slow/fast] growing malignancy. It can be caused by ___ or ___ and ___. What is the treatment of choice?
Tobacco
HPV 16 and 18
Excision
SCC (squamous cell carcinoma) is caused by ___ or inactivation of ____. There is increased incidence of oropharyngeal SCC associated with ___ and ___. The 5-year survival rate is about ___%.
Oncogenes
Tumor suppressor genes
HPV 16 and 18
50%
____ is mucosal atrophy + dysphagia + iron deficiency anemia + increased risk of oral cancer
Plummer-Vinson Syndrome
What is the treatment of choice for SCC?
Excision or radiation
True or false… basal cell carcinoma frequently metastasizes
False, very rarely
Oral melanoma is a malignancy of ___. High-risk sites are the ___ and the ___. 5 year survival rate for skin lesions is greater than ___%, but less than ___% for oral lesions.
Melanocytes
Palate and gingiva
65%
20%
Name three medications that can cause gingival hyperplasia
Calcium channel blockers
Dilantin
Cyclosporine (immunosuppressant)
What is the treatment of choice for gingival hyperplasia?
Gingivectomy
Discontinue drug if possible
Denture-induced fibrous hyperplasia is called ___ if found in the vestibule and called ___ if found on the palate
Epulis fissuratum
Papillary hyperplasia
____ is an entangled submucosal mass of neural tissue and scar. Caused by injury to nerve.
Traumatic neuroma
Where is the most common location of a traumatic neuroma?
Mental foramen
____ = multiple neuromas + medullary thyroid cancer + pheochromocytoma of adrenal gland
Multiple endocrine neoplasia (MEN 2B)
Pyogenic granuloma is a hyperplasia of ____
Capillaries, causing it to be red
Nodular fasciitis is a neoplasm of ____. It is easy to eradicate and rarely recurs
Fibroblasts
____ is a neoplasm of fibroblasts, however it is difficult to eradicate and often recurs
Fibromatosis
A granular cell tumor is a neoplasm of ___. It is named such because these tumor cells have a ___.
Schwann cells
Granular cytoplasm
A granular cell tumor has _____ in the tumor which mimics SCC. Where is it most commonly found?
PEH (pseduoepitheliomatous hyperplasia)
Dorsal tongue
A variant of granular cell tumor is found on the gingiva of newborns. It is called ___ and it has no ___
Congenital epulis
No PEH (pseudoepitheliomatous hyperplasia)