Clinically Aggressive Tumors

Question 1

What is primarily composed of proliferating epithelial cells of dental origin associated with the tissue?

Answer 1

Acantomatous Ameloblastomas or epulis (OM/AA)

Question 2

Acanthomatous epulides are classified as benign but what do they tend to invade?

Answer 2

Bone

Question 3

What is a locally aggressive tumor, that CT scan will help to delineate and wide excision is indicated?

Answer 3

Extramedulary Plasmacytoma

Question 4

What occur in the mandible or maxilla and may create fleshy, protrudint, firm masses that sometimes are friable?

Answer 4

Fibrosarcomas

Question 5

What are the most common cutaneous tumors of dogs, but rarely found in the oral cavity, and if in the oral cavity can demonstrate an aggressive clinical course?

Answer 5

Mast cell tumor

Question 6

What occurs in patients over 10 years of age, may or may not be asociated with dermal disease, has differential diagnoses of autoimmune diseases and is also known as “mycosis fungoides”

Answer 6

Cutaneous epitheliotropic T-cell lymphosarcoma

Question 7

What occur on any site in the oral cavity, are locally invasive and highly metastatic to the lungs, regional lymph nodes and bone?

Answer 7

Malignant Melanomas

Question 8

What is the prognosis of malignant melanomas?

Answer 8

Poor because recurrence is common

Question 9

What produces bone and cartilage, is believed to be a variant of osteosarcoma, is a slowly progressive neoplasm, and local recurrence can be expected in about 50% of surgically excised cases?

Answer 9

Maxillary Multilobular Osteochondroma

Question 10

What is an uncommon tumor originating from the remnants of connective tissue from which normally lymphatic and circulatory systems are formed within the jaw?

Answer 10

Odontogenic Fibromyxoma

Question 11

What is an invasice neoplasm affefcting the rostral oral cavity in young dogs less than 9 months of age and is considered an aggressive tumor where early, aggressive surgery is necessary to treat it?

Answer 11

Papillary squamous cell carcinoma

Question 12

What are rare in cats and dogs but by the time they are diagnosed they have already metastasized to the lymph nodes?

Answer 12

Salivary Gland Carcinoma

Question 13

How is Salivary Gland Carcinoma treated?

Answer 13

Surgical excision
Radiotherapy
Chemotherapy

Question 14

What is the prognosis of salivary gland carcinoma?

Answer 14

Prognosis cannot be predicted even with treatment

Question 15

What is the cell type of squamous cell carcinomas?

Answer 15

Epithelium

Question 16

What do squamous cell carcinomas generally look like?

Answer 16

Nodular
Gray to pink
Irregular masses

Question 17

Where do squamous cell carcinomas invade?

Answer 17

Bone and cause tooth mobility

Question 18

If squamous cell carcinomas are located here there is a better prognosis?

Answer 18

The farther away from tonsils or the floor of the mouth

Question 19

What occurs as a result of caudal force applied to the lip and gingiva?

Answer 19

Traumatic lip avulsion

Question 20

What can present as the inability to close the mouth or malocclusion?

Answer 20

Temporomandibular joint luxation