21 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
There are about a dozen x-ray findings, but two of them are especially important: Loss of
about a dozen x-ray ... aortic knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... consolidation • DDx: COP ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
of X-rays so we can ... interpret them in clinical ... UltraSound (POCUS) to CT ... #Diagnosis #Radiology ... ChestXRay #KUB #CXR
There are about a dozen x-ray findings, but two of them are especially important: Loss of
about a dozen x-ray ... aortic knob/aortic-pulmonary ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... chest film and can ... suggest the diagnosis ... #Clinical #Radiology ... #CXR #CTChest #
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Clinical manifestations ... Temporal Doppler US : halo ... sign PET/CT: ... Ophthalmology #Diagnosis ... #Algorithm
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... bronchiectasis, CF ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... un lymphatic Diagnostic ... Chest x-ray: signs ... → no signs of CXR ... #heartfailure #diagnosis
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
of the reversed halo ... sign (RHS). ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Differential #Algorithm