GIT and Abdominal Wall Flashcards
Blood supply of the cervical esophagus
Inferior thyroid artery
True or false: Physiologic gastric reflux most often occurs in the awake and upright position
True
Most common cause of defective LES
Inadequate intraabdominal length
Hallmark of Barretts Esophagus
Goblet cells
The preoperative test most heavily correlated with the ability to tolerate an esophagectomy is
FEV1
Most common site of esophageal rupture
Left, above GEJ
Most accurate test for Zollinger-Ellison Syndrome
Secretin stimulation test
Preoperative imaging study of choice for gastrinoma
Octreotide scan
Standard treatment for GIST
Wedge resection
Subtype of gastric carcinoid associated with type A chronic atrophic gastritis and is usually BENIGN
Type I
Subtype of gastric carcinoid that is SPORADIC, not associated with hypergastrinemia, and has the worst prognosis
Type III
Subtype of gastric carcinoid associated with MEN 1 and ZES
Type II
“Watermelon stomach”, characterized by dilated mucosal blood vessels in the antrum that often contain thrombi, is also known as
Gastric antral vascular ectasia (GAVE)
Note: It is associated with elderly women, chronic GI loss, chronic liver disease, auto-immune connective tissue disorder
Treatment for GAVE
antrectomy
Treatment for dumping syndrome after failure of an anti-dumping diet
Octreotide
Menetrier disease is associated with protein losing gastropathy and ____chlorydia
hypochlorydia
How much fluid normally enters the small intestine daily?
8 L
Factors that inhibit spontaneous fistula closure
“FRIENDS”
Mnemonic: FRIENDS Foreign body Radiation Infection/inflammation of fistula origin Epithelialization of fistula tract Neoplasm of fistula origin Distal obstruction of the intestine Short tract <2cm
Most common primary small bowel malignancy
Adenocarcinoma of the duodenum
Short bowel syndrome is defined as a small intestine length of less than _____.
200 cm
In an emergency setting, the best place to put a colostomy is _____ (above/below) the beltline, in the rectus abdominis muscle, _______ (near/away from) the costal margin
Above the beltline
Away from the costal margin
In emergencies, a high-lying site is preferred
First line therapy for inflammatory bowel disease in the outpatient setting
Salicylates
Treatment for diverticulitis in an immunocompromised patient
Colectomy
Stage III diverticulitis is associated with _______ peritonitis, while stage IV is associated with _______ peritonitis
Stage III - purulent peritonitis
Stage IV - fecal peritonitis
Most common fistulas that develop in complicated diverticulitis
Colovesical fistulas
Gold standard for detecting liver lesions
Intraoperative ultrasound
Clinically significant portal HPN is defined as hepatic vein pressure gradient of >____ mmHg
10 mmHg
Most common solid benign mass of the liver
Hemangiomas
Most common benign hepatic lesion
Simple cyst
Milan criteria for liver transplant in HCC:
One tumor less than ____ cm or
Three tumors less than _____ cm
No evidence of gross intravascular or extrahepatic spread
One tumor less than 5 cm
Three tumors less than 3 cm
The only FDA-approved chemotherapeutic agent for HCC
Sorafenib
Most common presentation of a biliary injury in the early post-operative period:
Elevated transaminases
Most common presenting symptom of somastatinoma
Cholelithiasis
Treatment of gastrinoma in the duodenal wall
Full thickness resection
The only therapy proven to prevent chronic pancreatitis progression
Pancreatic duct decompression
Which splenic ligament is avascular?
Gastrosplenic
Most common physical finding in hairy cell leukemia
Massive splenomegaly
Most common etiology of splenic cysts worldwide
Parasitic infection
Most commonly Echinococcal
Gold standard for management of splenic abscesses
Splenectomy
Most common indication for splenectomy
Trauma
Most common elective indication for splenectomy
ITP
Most common complication following open splenectomy
Left lower lobe atelectasis
Anterior abdominal wall above the umbilicus drains into the ______ nodes
Axillary nodes
Most umbilical hernias are present in 10% of all newborns (usually preterm infants) and spontaneously close by ____ years of age
5 years
Primary treatment for retroperitoneal fibrosis
Corticosteroids