Tumors of the Abdominal Cavity

Question 1

In dogs, metastatic cancer from another site occurs more than 2x the incidence of primary liver cancer. T/F

Answer 1

True

Question 2

In cats, primary liver cancer occurs more commonly than metastatic cancer. T/F?

Answer 2

True

Question 3

Malignant tumors are more common in dogs for hepatobiliary neoplasia. T/F?

Answer 3

True

Question 4

For hepatobiliary neoplasia, benign tumors are more common in cats. T/F?

Answer 4

True

Question 5

What is the most common benign hepatobiliary neoplasia in cats?

Answer 5

Biliary cystadenoma

Question 6

What is the tx of choice for hepatobiliary tumors affecting a single lobe?

Answer 6

Sx. Caudate lobe will be more surgically challenging to treat due to the presence of a gall bladder.

Question 7

What is the prognosis for massive hepatocellular carcinoma and cyst adenoma?

Answer 7

Good

Question 8

What is the prognosis in cats for malignant hepatobiliary tumors?

Answer 8

Guarded to Poor

Question 9

Which type of cancer has a high metastatic rate EARLY in the course of disease?

Answer 9

Pancreatic carcinoma

RARE in dogs and cats

Question 10

What are the clinical signs of insulinoma?

Answer 10

Hypoglycemic, very weak and seizures

Question 11

What are the diagnostic measures for insulinoma?

Answer 11

glucose blood test

insulin:glucose ratio

Question 12

What is the medical therapy for insulinoma?

Answer 12

PREDNISONE and TOCERANIB

BUT SURGERY has a BETTER survival compared to medical therapy.

Question 13

Insulinoma is highly metastatic.

Answer 13

TRUTH

Question 14

What is the MOST COMMON TUMOR in the SMALL INTESTINE in the DOG ?

Answer 14

LYMPHOMA

tx: chemotherapy

Question 15

What is the treatment of choice for CARCINOMA, LEIOMYOMA or LEIOMYOSARCOMA in the small intestine in dogs ?

Answer 15

Surgery

Question 16

What is the most common SI tumor in the cat ?

Answer 16

LYMPHOMA

Question 17

What is the most common splenic neoplasia in the dog?

Answer 17

SARCOMAS

Question 18

What is the most common splenic neoplasia in the cat?

Answer 18

Mast Cell Tumor

Question 19

Primary lymphoid splenic cancers are common.

Answer 19

TRUTH !

Question 20

A 10 year old, Large Breed Dog comes into the clinic with an acute collapse with large and acute bleeding. Upon P.E, the gums were pallor and there is palpable fluid wave and/or abdominal mass. What is your top ddx?

Answer 20

Splenic Hemangiosarcoma

Question 21

What is significant in CBC and Coag profile for patients with Splenic Hemangiosarcoma?

Answer 21

CBC: anemic (may see schistocytes) and thrombocytopenia

Coagulation Testing: 50% of patients will have DIC.

Question 22

What is the 2/3 rule when it comes to HEMOABDOMEN?

Answer 22

2/3 of patients with a hemoabdomen have malignant cancer. Out of this patients, 2/3 is Hemangiosarcoma..

Question 23

How many stages are there in the Staging Scheme of Splenic Hemangiosarcoma ?

Answer 23

Three.

Question 24

Describe Stage 1 of Splenic Hemangiosarcoma.

Answer 24

Confined and it has no evidence of splenic rupture.

Question 25

Describe Stage 2 of Splenic Hemangiosarcoma

Answer 25

Evidence of rupture and node metastasis

Question 26

Describe Stage 3 of Splenic Hemangiosarcoma

Answer 26

Gross obvious spread to liver and lungs.

Question 27

Which stage(s) of splenic hemangiosarcoma does an animal typically clinically present in?

Answer 27

Stage 2 or 3

Question 28

Purpose of Sx in Stage 3 Splenic Hemangiosarcoma patients ?

Answer 28

Palliation and acute stabilization

Question 29

What is the chemotherapeutic agent for Splenic Hemangiosarcoma ?

Answer 29

Doxorubicin

Question 30

A middle age-older dog presents with RIBBON SHAPED stools, DYSCHEZIA and TENESMUS. Chemistry was non-significant except for HYPERCALCEMIA. What is the most likely diagnosis ?

Answer 30

ANAL SAC ADENOCARCINOMA

Question 31

What is the treatment for anal sac adenocarcinoma ?

Answer 31

Surgery and removal of regional sublumbar lymph nodes. Chemotherapy if the tumor has spread beyond the nodes : Carboplatin or Toceranib

Question 32

The prognosis of anal sac adenocarcinoma worsens beyond ___cm.

Answer 32

2.5