Neoplasia

Question 1

Neoplasm

Answer 1

aka tumor aka swelling -

uncontrolled, progressive new tissue growth

Question 2

Neoplasia

Answer 2

new growth
uncontrolled proliferation of cells
caused by: chemicals, viruses, radiation, or spontaneous

Question 3

Epithelial Tumors of Oral Cavity

Answer 3

squamous
salivary gland
odontogenic

Question 4

Squamous Epithelium Tumors - Papilloma

Answer 4

benign, from HPV. small raised red or white, solitary, asymptomatic. can be lasered off

Question 5

Squamous Cell Carcinoma

Answer 5

most common malignancy in oral cavity. raised mass than can invade lymph/bone/connective tissue.
floor of mouth, tongue, soft palate, tonsular and retromolar areas most common.

Question 6

Basal Cell Carcinoma

Answer 6

most common cancer of head/neck region.
UV light, skin cancer.
small necrotic ulcer “rodent ulcer”.
surgical excision.

Question 7

Salivary Gland Tumors

Answer 7

Pleomorphic Adenoma, Mucoepidermoid Carcinoma, Adenoid Cystic Carcinoma

Question 8

Pleomorphic Adenoma

Answer 8

mixed epithelial + connective tissue benign tumor.
most common salivary gland tumor
“many shapes”
painless, slow growing. surgical removal but can recur

Question 9

Mucoepidermoid Carcinoma

Answer 9

malignant. unencapsulated.

found on parotid or minor salivary glands on palate

Question 10

Adenoid Cystic Carcinoma

Answer 10

[cylindroma] salivary tumor. malignant. most common on parotid.
may be painful.

Question 11

Odontogenic Tumors

Answer 11

derived from tooth-forming structures.

ameloblastoma, odontoma

Question 12

Ameloblastoma

Answer 12

odontogenic. usually in ramus of mandible. benign but if in maxilla can cause death if infiltrates vital organs

Question 13

Odontoma

Answer 13

odontogenic. benign. composed of enamel/cementum/pulp. compound (anterior, resembles teeth) or complex (opposite)
found in adolescents - noticed when tooth fails to erupt due to blockage

Question 14

Lipoma

Answer 14

soft tissue tumor. benign. fat cells. yellowish mass on buccal mucosa in 40+

Question 15

Neurofibroma + Schwannoma

Answer 15

nerve tissue tumor. benign. usually on tongue.

von Recklinghausen = small tumors all over

Question 16

Hemangioma

Answer 16

vascular tissue tumor. benign. red/blue/purple.

Question 17

Lymphangioma

Answer 17

vascular tissue tumor. benign. lymphatic vessels. usually present at birth on tongue - pebbly

Question 18

Malignant Melanoma

Answer 18

tumor or melanin producing cells. malignant.
40+, found on skin or palate or max gingiva (rare intraoral)
poor prognosis

Question 19

Osteoma

Answer 19

bone tumor. benign. compact bone composition.

*component of gardener syndrome

Question 20

Osteosarcoma (Osteogenic Sarcoma)

Answer 20

bone tumor. malignant.

<40, more often in mandible, males.