GI Flashcards
1
Q
Harry’s “big fucking masses” of the abdomen
A
desmoid sarcoma GIST fibrous tumor lymphoma
2
Q
ram’s horn deformity of stomach
A
aka pseudo Billroth I
- Crohn’s
- sarcoidosis (MC GI tract location is stomach)
- TB
- syphilis
- scarring via peptic ulcers
- scirrhous carcinoma
3
Q
low attenuation lymphadenopathy
A
cystic/necrotic lymph nodes
- metastatic carcinoma
- treated lymphoma
- infection (mycobacterial [TB, MAI], fungal)
- cavitating mesenteric lymph node syndrome in celiac disease (triad: low density LAD sometimes with fat fluid levels, villous atrophy, splenic atrophy)
- inflammatory necrotic disorders (Kikuchi-Fujimoto disease)
- Kaposi sarcoma
fat-containing lymph nodes
- Whipple disease
- extra-adrenal myelolipoma
4
Q
type 1 small bowel folds (thin, straight, dilated lumen)
A
mechanical obstruction
paralytic ileus
scleroderma
celiac disease/sprue
5
Q
type 2 small bowel folds (thick, straight)
A
segmental distribution
- ischemia
- radiation enteritis
- intramural hemorrhage
- adjacent inflammatory process
diffuse distribution
- hypoproteinemia (liver dz, nephrotic syndrome)
- venous congestion (CHF)
- cirrhosis
6
Q
type 3 small bowel folds (thick, nodular)
A
segmental distribution
- Crohns
- infection
- lymphoma
- mets
diffuse distribution
- Whipple disease
- intestinal lymphangiectasia
- nodular lymphoid hyperplasia
- lymphoma
- mets
- polyposis syndromes
- amyloidosis, mastocytosis, eosinophilic gastroenteritis
7
Q
atrophic/featureless small bowel
A
graft vs host disease (bone marrow transplant) ischemia (chronic) celiac disease radiation enteritis (chronic) amyloidosis infectious enteritis
8
Q
excessive fluid in small bowel lumen
A
proximal to mechanical obstruction
celiac disease/sprue
Zollinger-Ellison syndrome