Gastric Leiomiosarcoma Flashcards
1
Q
Definition
A
Maligant tumor of smooth muscle cells,in gastric and intestinal wall
GI, uterus,abdomen
More often on intestinal wall than stomach
Older animal, large dogs, rare horses
2
Q
Clinically
A
Diarrhea,vomiting,anorexia,weight loss,abd pain
3
Q
Gross
A
Small to large,invasive, grey mass
Indistinct margins
Necrosis, harmorrhages
4
Q
Micro
A
Uncapsulated
Spindle and cigar cells
Mitosis
Hyperthrophy of lymphoid tissue
5
Q
Evo
A
Low rate of metastasis
6
Q
Ddx
A
Leyomiomas and lymphoma