11 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... sarcoidosis, mets to the lung ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Diagnosis Framework ... Mycobacterium avium ... • CT: Halo sign ... #differential #diagnosis
This is a parasternal long axis view of a young patient presenting with 3 days of
a parasternal long ... He had no chest ... root, and left atrium ... #Clinical #EM #Radiology ... #POCUS #CardiacUS
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
mucogenicum • HIV ... Advanced HIV (CD4 ... • Dyspnea, • Chest ... Imaging, high res ... CT) • Exclusion
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... Splint: Posterior long ... Elbow #Humerus #Radiology ... #XRay #Diagnosis
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Carcinoma of the Lung ... ) that were in his ... biopsy confirmed a diagnosis ... NEJM #clinical #radiology ... #CT #squamous #
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... originates in the lung ... their differential diagnostic ... #Clinical #Radiology ... #CTChest #RoundedAtelectasis
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
- Cataract Plan ... change CV risk Chest ... X-ray: • Not ... unless prior heart/lung ... stratification #diagnosis