Radiologist @HennepinHC. All views & opinions my own, nothing to do with employer. I share my experience with Spectral CT, 3D CT, learning cases.

Joined May 2018
763 Photos and videos
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Clinical cases will not have patient identifying info. Timing may be recent or years ago. Gender, age, clinical details, diagnosis may be changed. Respect patients always. Cases all based on experience, but do not assume actual people or recently seen. Thanks, @DocPNW!
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Gopal Punjabi retweeted
Attention to #spectral images! @CtSpectral ⚠️ The endobronchial content is enhancing --> solid! 1️⃣Virtual non-contrast (VNC)= 39HU 2️⃣Conventional= 71UH (>20UH compared to VNC) 3️⃣ Iodine density =1.26 mg/ml
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Gopal Punjabi retweeted
#12 The Many Faces of Organizing Pneumonia (OP) 🎭 1⃣ OP is a term used to describe a nonspecific response to lung injury (infection, drugs, RT, autoimmunity, cryptogenic...) 🫁 Radiological features of OP are wide: consolidation, GG, nodules & other more specific features ➡️🧵
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Mimic of LV "ischemia" on CT: LV anterior/apical hypodensity from fatty metaplasia, NOT from decreased enhancement. Easily resolved with #SpectralCT: Abnormal area is fat density on virtual non-contrast.
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Small LV thrombus, much easier to see on iodine map and overlay with #SpectralCT. Can be hard to see on echo. #radres, you may save a life when you call this on CT!
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Acute MI on #SpectralCT. Much easier to see on low-keV image and iodine overlay. #FOAMed #radres
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Nondisplaced left transverse process fractures on 3D CT of the lumbar spine. #FOAMed
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Gopal Punjabi retweeted
For anyone who wants to view this offline, here is a pdf copy. I took out some of the animated images, so there is a slide or two that is incomplete, but nearly complete. dropbox.com/s/8b72ij0wvfu1f5…
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Gopal Punjabi retweeted
Excited to share that our educational exhibit on the current state of interstitial lung disease imaging was awarded a MAGNA CUM LAUDE award by @RSNA. Please come check it out. @UChicagoRADS @UCSDRadRes @ChestXrayDoc @UWiscRadiology @CURadiology @UKyRadiology @OHSURadiology
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Rounded atelectasis can occur anywhere! Indeterminate RUL lung nodule, with pleural thickening (red arrows). Oblique parasagittal recon nicely shows "comet-tail" sign. On #SpectralCT, characteristic intense iodine uptake. Stable on follow up for several years. #radres #FOAMed
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Gopal Punjabi retweeted
A very informative and comprehensive review of “Multi-Energy CT of acute abdominal Emergencies” by Dr. Gopal Punjabi @ERadSociety #ASER23 #ERad #Radiology #Radres
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Gopal Punjabi retweeted
Contrast induced nephropathy
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Anterior column fracture of the acetabulum on 3D CT. Classification of acetabular fractures so much easier on 3D CT. #FOAMed
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Partial duplication of ureter on 3D CT urogram. #FOAMed
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Gopal Punjabi retweeted
Thank you @EsgarSociety for the Magna Cum Laude award of this #Esgar2023. This award is not only mine but also from my colleagues Dra.Canales, Dra. Garcia Latorre and @nicoalmeidaa and great collaboration of @CtSpectral
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Adrenal nodule? Tiny speck of air shows up on lung windows (red arrow), confirming this is a gastric fundal diverticulum, likely congenital. More common than literature suggests, easily misdiagnosed as adrenal lesion. #FOAMed #radres
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Gopal Punjabi retweeted
Iodinated contrast for emergency scans update by RCR👇🏻👇🏻👇🏻
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Anterior junction line on CXR and CT. Line forms where the pleura meets anteriorly. #FOAMed #radres
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Gopal Punjabi retweeted
Don’t shoot the messenger, but here is a striking bit of data from the #A3CR2 Chief #radres survey. Everyone thinks “yes, but WE do it well.” When anonymous data is collected, maybe not as well as you think. #AUR23 @theAPDR
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Small right atrium in right tension hemothorax. Hypotension and tachycardia improved significantly on chest tube placement. Well described sign of pericardial tamponade on echo. Similar mechanism? #FOAMed #radres
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Gopal Punjabi retweeted
Finishing a drawing that is extra special to me. @HennepinHC
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