radiologytidbits

[radiologytidbits]

[radiologytidbits]

Occipito-Atlantal Injuries | Musculoskeletal Key

good reference in trauma for the cervical spine!!!

[radiologytidbits]

Intrasplenic pancreatic pseudocyst- a post pancreatitis pseudocyst from tail of pancreas to spleen.

[radiologytidbits]

Abdominal Desmoid Tumor

[radiologytidbits]

Cricopharyngeal achalasia

contrast bolus pile above and may trickle down past CP

[radiologytidbits]

Nodular regenerative hyperplasia-Budd Chiari, large nodules similar to FNH

https://www.elsevier.es/en-revista-cirugia-espanola-english-edition--436-articulo-regenerative-multiple-hepatic-nodular-hyperplasia-S2173507715003269

[radiologytidbits]

PITFALL: The anterior ethmoidal artery canal may be confused for an orbital wall deformity.

Seen as a small outpouching and V shape along the superomedial orbital wall.

[radiologytidbits]

k space for boards was central = contrast and peripheral = spatial re

[radiologytidbits]

Reflex sympathetic dystrophy (RSD): Increased blood

flow, blood pool, and delayed periarticular uptake

diffusely is the classic appearance of this entity.

[radiologytidbits]

A patient’s estimated bladder volume can be calculated

as follows:

• Volume (mL) = (Age [y] + 2) x 30

[radiologytidbits]

Comparison studies between MDP and HDP indicate that HDP has a 20% higher skeletal uptake than MDP (18). However, clinical comparisons between MDP and HDP show no significant difference in either lesion detectability or bone-to-soft tissue ratio (19,20).

https://jnm.snmjournals.org › jnumed › 2332.full.pdf

[radiologytidbits]

Medullary thyroid cancers are neuroendocrine

-have uptake on MIBG, octreotide

[radiologytidbits]

• Type 1: normal; migration seen over the convexities

(by 24 hours, no later than 48 hours) and no ventricular

reflux

• Type 2: delayed migration and no reflux

• Type 3: transient reflux and delayed clearance

• 3A: clearance over the convexities but may be delayed

• 3B: clearance by an alternate pathway (transependymal)

• Type 4: poor clearance and persistent ventricular activ-

ity; benefits from shunting

https://www.semanticscholar.org/paper/In-111-DTPA-cisternography-with-SPECT%2FCT-for-the-of-Thut-Kreychman/d3d3b1db5b31a4d9ad3f22c07258bdea4eec0295/figure/4

[radiologytidbits]

Mickey Mouse Sign

Diffuse involvement of the anterior and posterior elements of the lumbar vertebrae, produces the classic Mickey Mouse sign.

https://radiopaedia.org/cases/mickey-mouse-sign-in-paget-disease?lang=us

[radiologytidbits]

[radiologytidbits]

Double aortic arch. Barium esophagogram shows bilateral extrinsic compressions on the esophagus (arrows), producing a reverse S-shaped appearance.

https://epos.myesr.org/posterimage/esr/ecr2006/895/mediagallery/12985?deliveroriginal=1

https://www.virtualpediatrichospital.org/providers/ElectricAirway/RadImages/DblAorticArchBarSw.shtml

[radiologytidbits]