BODY Flashcards
quadrate lobe
segment IV
caudate lobe
segment 1
hot quadrate sign
SVC obstruction
hot spot in segment 1
Budd-Chiari
dorsal pancreatic duct
Santorini
ventral pancreatic duct
Wirsung
entrance air kerma for abdominal radiograph
3 mGy
MC duodenal malignancy
adenocarcinoma

HIV cholangiopathy papillary stenosis
4 phases of renal contrast
- non-contrast
- corticomedullary
- nephrographic
- excretory (pyelographic)

pancreas divisum
- main pancreatic duct (solid arrow, Santorini) drains into minor papilla
- CBD and smaller ventral duct (Wirsung, curved arrow) drain inferiorly into major papilla
caudate lobe hypertrophy
- Budd Chiari
- PSC
- PBC

- clover leaf sign
- healed peptic ulcer of duodenal bulb
MC locations of GIST
stomach > duodenum > anorectum
median survival after successful surgical resection of pancreatic cancer
1.5 years

septate uterus
- horizontal/normal uterine fundal contour

bicornuate uterus
- heart-shaped fundus, with indentation of outer contour
MC associated abnormality with Mullerian Duct Anomalies
- ipsilateral renal agenesis

goblet sign
- urothelial neoplasm
MC MDA
septate uterus
Zuckerkandl fascia
posterior perirenal fascia
Gerota fascia
anterior perirenal fascia
epiphrenic diverticula usually occur on which side?
right

cone shaped cecum
- Entamoeba histolytica
what is the finding and what does it indicate?

- pear-shaped bladder
- retroperitoneal lipomatosis
interruption of IVC with hemiazygos continuation is due to..?
failure of right subcardinal vein to communicate with hepatic sinusoids
MR contrast agents contraindicated in GFR < 30
- gadodiamide
- gadopentate dimeglumine
- gadoverstamide
low-osmolality iodinated contrast media t 1/2
2 hours
which low-osmolality iodinated contrast media are approved for intrathecal use?
why?
- iohexol (Omnipaque)
- iopamidol (Isovue)
Because they are nonionic
how long to wait after IV iodinated contrast material before therapeutic I-131?
3-4 weeks
which iodinated contrast material is preferred for angiography of small arteries, ie hand?
iodixanol (iso-osmolal)
macrocyclic Gd contrast agents
- gadobutrol
- gadoteridol
- gadoterate meglumine
dose of IV epi
0.1 mg (1 mL)

- inverted M waveform in renal artery (reversed diastolic flow)
- renal vein thrombosis
associations with duplicated IVC
GU anomalies:
- cross-fused ectopia
- horseshoe kidney
- cloacal exstrophy
area of kidney most vulnerable to ischemia
inner cortex
renal artery stenotic segment velocity and ratio of stenotic:pre-stenotic segments
> 200 cm/s
> 2:1
Meckel Gruber
- renal cysts
- encephalocele
- polydactyly
medullary sponge kidney associations
- Caroli’s
- Ehlers-Danlos
- Beckwith-Wiedeman
vessels arising from false lumen in aortic dissection
- right coronary
- left renal
- left iliac

renal vein thrombus with infarction and cortical rim sign
when is intradecidual sign seen?
4.5 weeks
embryo is visible when?
6 weeks
dx of pregnancy failure
- CRL > 7 mm + NO heartbeat
- MSD 25 mm + NO embryo
- NO embryo with hearbeat > 2 WEEKS after a scan that showed a GS WITHOUT yolk sac
- NO embryo with heartbeat > 11 DAYS after a scan that showed a GS WITH a yolk sac
oligohydramnios
AFI < 5 cm
polyhydramnios
AFI > 20
- OR-
single pocket > 8 cm
fetal bowel should never be more echogenic than what?
bone
normal midgut herniation occurs when?
9 - 11 weeks
increased risk with circumvallate placenta
- preterm
increased risk with succenturiate lobe
- vasa previa
- retained placental tissue (–> postpartum hemorrhage)

septate uterus
Zinner syndrome
- renal agensis
- seminal vesicle cyst
- ejaculatory duct obstruction
horseshoe kidney increases risk of what cancer?
- TCC
- renal carcinoid
- Wilms
thickenss of enodmetrial strip on endovaginal US in post-menopausal woman that requires biopsy
> 5 mm
parametrial invasion - stage of cervical cancer?
IIB
when is cervical cancer treated non-operatively?
- stage IIB or higher
- size > 4cm
granulosa cell tumor may be associated with what findings in uterus?
endometrial hyperplasia (due to increased estrogen)
cancers associated with DES exposure
- vaginal clear cell adenocarcinoma
- cervical clear cell adenocarcinoma
reproductive age woman, simple cyst 5-7 cm. follow up?
US in 1 year
reproductive age woman, simple cyst <5 cm. follow up?
none
US findings supportive of PCOS
>12 follicles
- AND/OR -
ovarian volume > 10 cc
likely benign cyst in postmenopausal female and follow up
> 1 cm, < 7 cm
1 year US follow up
thickened septation in adnexal mass on US
> 3 mm
which radiographic detector results in sharpest image?
photoconductor (Selenium)
which radiographic detector results in lowest patient dose?
scintillator (CsI)
(highest x-ray absorption efficiency)
which radiographic detectors are indirect?
- scintillator (CeI)
- PSP (BaFBr)
what is effect of increasing detector thickness have on (a)patient dose and (b)blur
(a) dose decreases
(b) blur increases
which gastric volvulus occurs in old ladies with paraesophageal hernia?
organoaxial

Carman meniscus
SV cyst associations
- ipsilateral renal agenesis
- vas deferens agenesis
- ectopic ureter
- ADPKD (bilateral SV cysts)
Gardner
- facial osteoma
- extra-abdominal desmoid
- colonic adenocarcinoma
- thyroid, liver, ampulla, adrenal gland carcinoma
post-menopausal normal endometrial thickness, no hormone replacement
< 5 mm
MC site of ectopic preg
ampulla
1st trimester maternal screen in Down’s
- decreased PAPP-A
- increased beta-hCG
- increased nuchal translucency
alkali ingestion causes what kind of necrosis?
liquefactive

cystic thickened uterus related to tamoxifen
HASTE
Half Fourier Aquisition Single-shot Turbo Spine Echo
Dx

bicornuate uterus
what kind of weighting?
orange arrow points to what?

- T2
- junctional zone
normal cervical length
> 30 mm
cervical incompetence (2nd trimester)
< 25 mm
involvement of which vessels precludes resection of pancreatic adenoca?
what stage is this?
- celiac artery, SMA
- T4
most accurate 2nd trimester measurements
- BPD
- head circumference
timing of renal artery stenosis post-transplant
1st month (usually immediate post-op)
timing of hepatic artery stenosis post-transplant
> 1 month
timing of renal vein thrombosis post-transplant
1st week
what is 1?

common hepatic duct
what is 2?

proper hepatic artery
- name of sign
- dx

- pearl necklace
- adenomyomatosis
- dx
- mode of inheritance
- other names

- Caroli disease
- autosomal recessive
- communicating cavernous biliary ectasia, Todani V choledochal cyst
- imaging appearance
- dx

- pruned tree
- PSC
morphologic classification of cholangiocarcinoma (3)
- mass forming
- periductal infiltrating
- intraductal growing (IPMN)
anatomic classification of cholangiocarcinoma (location)
- intrahepatic
- hilar (Klatskin tumor)
- distal extrahepatic
MC cholangiocarcinoma location/name
hilar (Klatskin)
Caroli syndrome
Caroli disease + congential hepatic fibrosis
ampullary neoplasm occurs distal to what?
confluence of CBD and pancreatic duct
MC biliary ductal variant anatomy
posterior right hepatic duct draining into left hepatic duct
ovarian cancer stage: distant spread or malignant pleural effusion
stage 4
ovarian cancer stage: lymph node mets or peritoneal implants outside of pelvis
stage 3
direction of MPV in TIPS
hepatopetal
direction of right and left portal veins in TIPS
hepatofugal
1st clinical signs of NSF develop when?
1 month
definition of oligohydramnios
vertical pocket < 2 cm
Sm-153 t 1/2
1.9 days
gamma photon energy of Sm-153
103 keV
increased liver attenuation without increased splenic attenuation
- primary hemochormatosis
- amiodarone toxicity
- glycogen storage
what keeps PDA open
Prostaglandin
PDA associations
- Holt-Oram
- maternal rubella
- Trisomy-21
MC location for gastric diverticulum
juxtacardiac posterior wall