54 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... leading into a lung ... • DDx: Septic ... #Vessel #Sign #CT ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... circumferential GGO • DDx ... #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Late phase • DDx ... Liver #Lesions #Hepatic ... Ultrasound #Contrast #CT ... #MRI #POCUS #radiology
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Sign on Chest CT ... pulmonary cavity • DDx ... #Monod #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
Fascioliasis - Hepatic ... DDx of multiple ... #Hepatic #imaging ... #radiology #Differential ... #Ddx #Diagnosis
One-page resource for Lung POCUS in COVID19:
- likely (unproven) sensitive due to peripheral distribution of lesions
One-page resource for Lung ... POCUS in COVID19 ... of lesions on CT ... think about other Dx ... #POCUS #COVID19
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... serious underlying dx ... Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... • Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... Delayed Phase DDx ... Liver #Lesions #Hepatic ... ComputedTomography #CT ... #radiology #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... splenomegaly Other infections ... multiple lesions Infectious ... Sarcoidosis • Neuro ... diagnosis #causes #radiology