abd 3 Flashcards
name the portal triad vessels
Main portal vein
proper hepatic artery (rt)
Common hepatic duct (lt)
what is the direction of the fetal circulation
Umbilical vein → lt portal vein → ductus venosus → ivc
Name the spectral analysis presentation
Flow toward transducer = above baseline
Flow away from transducer = below baseline
located in the right intersegmental fissure and divides the anterior and posterior segments of the right lobe
RHV
located in the main lobar fissure and separates the right and left lobes
MHV
located in the left intersegmental fissure and divides the lateral and medial segments of the left lobe
LHV
Intrasegmental in anterior segment of the right lobe and courses centrally in anterior segment of the right lobe
RPV ( anterior branch)
intrasegmental in posterior segment of the right lobe: courses centrally in posterior segment of the right lobe
RPV ( posterior branch)
anterior to the caudate lobe, it separates the caudate lobe from medial segment of the left lobe
LPV (horizontal segment)
Located in the left intersegmental fissure, in divides medial and lateral segments of the left lobe
LPV ( ascending segment)
located in the main lobar fissure, it separates right and left lobes
GB fossa
located in the left intersegmental fissure it divides the caudal aspect of the left lobe into medial and lateral segments
ligamentum teres
located in the left anterior margin of the caudate lobe, it separates the caudate from the left lobe of the liver
ligamentum venosum
what are the three major forms of liver abscesses
Pyogenic
amebic
fungal
most often polymicrobial, accounts for 80% of hepatic abscess cases in the united states
pyogenic hepatic abscess
due to entamoeba histolytica (10% of cases)
amebic abscess
due to candida species (
fungal abscess
the differentiation of a pyogenic abscess from an amebic abscess is difficult how do you decide
if the patient has traveled out of the united states than amebic abscess may be the correct diagnosis
although ___________ infections are not common in the united states, it is estimated that 400,000 infected persons have migrated to the country
schistisomiasis
what are the four types of portal hypertension
extrahepatic presinusoidal—— portal vein thrombosis
intrahepatic presimusoidal——-schistosomiasis
intrahepatic—————————-cirrhosis (most common)
intrahepatic postsinusoidal——hepatic vein thrombosis
a patient presents with acute right upper quadrant pain and decreasing hematocrit what is the possible diagnosis?
hemorrhagic cyst
list of hyperechoic liver masses
hepatic lipoma
hemangioma
echogenic metastases
focal fatty infiltration
______ ,_______ and ________ are monitured prior to and invasive procedure to ensure proper clotting
PT(INR), PTT, and platelets
what causes gas in the biliary tree
ERCP spincter of Oddi papiliotomy choledochojejunostomy GB (biliary) fistula emphysematous cholecystitis
what structures are in contact with the pancreatic head
IVC CBD AMPULLA OF VATER (terminal end of CBD) GDA Duodenal C loop (2nd portion)
a spreading inflammatory reaction to an infection which forms a suppurative lesion
Phlegmon
Although not characteristic of insulinomas and gastrinomas, many pancreatic islet cell tumors are commonly located in the
body and tail
what are the most common sites of involvement for Multiple Endocrine Neoplasio (MEN)
parathyroids (hyperparathyroidism) Pancreatic islet tumors- insulinoma, gastrinoma pituitary glands- prolactinomas adrenal glands- pheochromocytomas thyroid- medullary thyroid carcinoma
How many types of MEN are there
- wermer syndrome
2. sipples syndrome
the head of the pancreas is
anterior to IVC
the head of the pancreas is medial
to the 2nd part of the duodenum
the head of the pancreas is anterior and lateral
to CBD
the head of the pancreas is posterior and lateral
to GDA
the CBD is posterior and lateral to
the head of the pancreas
the GDA is anterior and lateral to
the head of the pancrea
the SMV is to the right of the
SMA
the SMV and SMA are posterior to the
neck of the pancreas
the SMV and SMA are anterior to the
3rd portion of the duodenum
the SMV and SMA are anterior to the
uncinate process
the uncinate process is posterior to the
SMV and SMA
the aorta is posterior to the
body of the pancreas
the celiac axis is superior to the
pancreas
the splenic vein is posterior/ inferior to
pancreas
the stomach is anterior and medial to the
splenic hilum
the stomach is anterior to the
pancreatic body and tail
the tail of the pancreas is posterior to the
stomach
the tail of the pancreas is anterior to the
upper pole of the left kidney
the splenic artery is superior/ anterior to the
pancreas
name the renal vascular flow
main renal artery → segmental →interlobar →arcuate →interlobular
name the types of renal cysts
pylogenic
parapelvic
peripelvic
calyceal diverticula that sonographically appear as simple cyst
Pylogenic cysts
cortical cysts that buldge into the central sinus of the kidney
parapelvic cyst
lymphatic cysts in the central sinus
peripelvic cysts
what are the locations of renal cysts
cortical or parenchymal- periphery of kidney
peripelvic- located in the center ( renal sinus)
refers to the typical physical appearance of a neonate as a direct result of oligohydramnios and compression while in utero
Potter syndrome
what are some of the causes of potter syndrome
bilateral renal agenesis ARPKD ADPKD Multicystic renal Dysplasia Obstructive uropathy (posterior urethral valve defect) Early rupture of membranes
Pediatric cancer incidence
Leukemia 35.0% CNS tumors 16.6 Lymphoma 15.0 Neuroblastoma 7.8 Soft tissue sarcoma 7.4 Wilms 6.3 Bone 6.0 Hepatic tumors 1.1
name the hyperechoic renal masses
Mycetoma Angiomyolipoma Blood clots Pyogenic debris Sloughed papilla Renal stones
What is the most common cause of intrarenal (intrinsic) acute kidney injury?
Acute tubular necrosis
what is the normal bladder wall thickness
5mm in nondistended bladder
3mm in a distended bladder
Renal artery stenosis is determined by
Renal artery/ aorta ratio (RAR) > 3.5
Tardus parvus is defined as a
small slow pulse
What are the stages of chronic kidney disease
1 GFR >90mL/ min/1.73m2 NORMAL
2 GFR 60.-89 mL/ min/1.73m2 MILD
3 GFR 30-59 mL/ min/1.73m2 MODERATE
4 GFR 15-29 mL/ min/1.73m2 SEVERE
5 GFR
What is the most common neonatal abdominal mass?
Multicystic Dysplastic kidney
What is the most common neonatal adrenal mass?
Adrenal hemorrhage
What is the most common childhood adrenal mass?
Neuroblastoma