Tumors of the Abdominal Cavity Flashcards
In dogs, metastatic cancer from another site occurs more than 2x the incidence of primary liver cancer. T/F
True
In cats, primary liver cancer occurs more commonly than metastatic cancer. T/F?
True
Malignant tumors are more common in dogs for hepatobiliary neoplasia. T/F?
True
For hepatobiliary neoplasia, benign tumors are more common in cats. T/F?
True
What is the most common benign hepatobiliary neoplasia in cats?
Biliary cystadenoma
What is the tx of choice for hepatobiliary tumors affecting a single lobe?
Sx. Caudate lobe will be more surgically challenging to treat due to the presence of a gall bladder.
What is the prognosis for massive hepatocellular carcinoma and cyst adenoma?
Good
What is the prognosis in cats for malignant hepatobiliary tumors?
Guarded to Poor
Which type of cancer has a high metastatic rate EARLY in the course of disease?
Pancreatic carcinoma
RARE in dogs and cats
What are the clinical signs of insulinoma?
Hypoglycemic, very weak and seizures
What are the diagnostic measures for insulinoma?
glucose blood test
insulin:glucose ratio
What is the medical therapy for insulinoma?
PREDNISONE and TOCERANIB
BUT SURGERY has a BETTER survival compared to medical therapy.
Insulinoma is highly metastatic.
TRUTH
What is the MOST COMMON TUMOR in the SMALL INTESTINE in the DOG ?
LYMPHOMA
tx: chemotherapy
What is the treatment of choice for CARCINOMA, LEIOMYOMA or LEIOMYOSARCOMA in the small intestine in dogs ?
Surgery
What is the most common SI tumor in the cat ?
LYMPHOMA
What is the most common splenic neoplasia in the dog?
SARCOMAS
What is the most common splenic neoplasia in the cat?
Mast Cell Tumor
Primary lymphoid splenic cancers are common.
TRUTH !
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?
Splenic Hemangiosarcoma
What is significant in CBC and Coag profile for patients with Splenic Hemangiosarcoma?
CBC: anemic (may see schistocytes) and thrombocytopenia
Coagulation Testing: 50% of patients will have DIC.
What is the 2/3 rule when it comes to HEMOABDOMEN?
2/3 of patients with a hemoabdomen have malignant cancer. Out of this patients, 2/3 is Hemangiosarcoma..
How many stages are there in the Staging Scheme of Splenic Hemangiosarcoma ?
Three.
Describe Stage 1 of Splenic Hemangiosarcoma.
Confined and it has no evidence of splenic rupture.
Describe Stage 2 of Splenic Hemangiosarcoma
Evidence of rupture and node metastasis
Describe Stage 3 of Splenic Hemangiosarcoma
Gross obvious spread to liver and lungs.
Which stage(s) of splenic hemangiosarcoma does an animal typically clinically present in?
Stage 2 or 3
Purpose of Sx in Stage 3 Splenic Hemangiosarcoma patients ?
Palliation and acute stabilization
What is the chemotherapeutic agent for Splenic Hemangiosarcoma ?
Doxorubicin
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 ?
ANAL SAC ADENOCARCINOMA
What is the treatment for anal sac adenocarcinoma ?
Surgery and removal of regional sublumbar lymph nodes.
Chemotherapy if the tumor has spread beyond the nodes : Carboplatin or Toceranib
The prognosis of anal sac adenocarcinoma worsens beyond ___cm.
2.5