02 - tumors of the skull and sinuses

Question 1

(tumors of skull and sinuses)

(sinuses and nasal passages)

1. tumors can occur in horses of any age

Question 2

(tumors of skull and sinuses)

(sinuses and nasal passages)

1. 3 things that tumors must be differentiated from in sinuses?

Answer 2

1. cysts
2. sinusitis
3. tooth rot abscesses

Question 3

(tumors of skull and sinuses)

(sinuses and nasal passages)

Question 4

(tumors of skull and sinuses)

(sinuses and nasal passages)

1. 3 Cx?

Answer 4

1. facial swelling, nasal discharge, decreased airflow

(decreased appetite, attitude)

Question 5

(tumors of skull and sinuses)

(sinuses and nasal passages)

1. dx?

Answer 5

1. radio, CT, endoscopy, bx

Question 6

(tumors of skull and sinuses)

(sinuses and nasal passages)

1. tx depends on location

two options?

Answer 6

1. radiation, sx excision if possible

Question 7

(tumors of skull and sinuses)

(sinuses and nasal passages)

(prog)

1. what kind of tumors have better prog?

Answer 7

1. fibromas/osteomas (solid and noninvasive)

but all require sx

Question 8

(tumors of skull and sinuses)

(mandible and maxilla)

1. juvenile ossifying fibromas have been reported in young horses

with a slowly enlarging mass involving what?

2. what tx is curative?

Answer 8

1. rostral mandible
2. surgical hemimandibulectomy

Question 9

(tumors of skull and sinuses)

(mandible and maxilla)

1. other tumors occur in older horses as they do in the sinuses - dx and tx should be based on bx

Question 10

(tumors of skull and sinuses)

(larynx-pharynx and guttural pouches)

1. what are two most common types in these locations?

Answer 10

1. SCC and melanomas

Question 11

(tumors of skull and sinuses)

(larynx-pharynx and guttural pouches)

1. 3 Cx?

Answer 11

1. palpable swellings

foul breath

difficulty eating/swallowing

Question 12

(tumors of skull and sinuses)

(larynx-pharynx and guttural pouches)

1. often hard to access and completely excise - so tx limited to what?

Answer 12

1. chemo and radiation