8 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
CT • SPN or mass ... circumferential GGO ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... bronchiolitis, PCP ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
CT • Central GGO ... Reverse #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... treatment for pulmonary ... ago, that involved ... #Clinical #PCC # ... Radiology #CXR #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung Abscess - Clinical ... CT Lung Abscess ... Clindamycin in case of PCN ... #Abscess #pulmonary
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... Recent PCI/stenting ... since elective PCI ... unless prior heart/lung ... stratification #diagnosis
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
these non-specific CT ... broad differential diagnosis ... immunocompromised patient PCP ... #Clinical #Radiology ... #CTChest #RBILD
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... This patient’s clinical ... #Radiology #CTChest ... #Lung #Pulmonary