38 results
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Cavitary Lesion ... Labeled CXR: ... #Cavitary #CXR ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... - Imaging: • CXR ... DDX: • CAP, ... #COP #BOOP #pulmonary ... #management
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
film and can suggest ... the diagnosis in ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... common cause of: CAP ... Exam, CXR, ENT ... exam, CT sinus ... #management
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
CT • Air surrounding ... cavity • DDx: ... #Monod #Sign #CT ... #diagnosis #radiology ... #clinical
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... fever, cough and cavitary ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... rarely typical pneumonia ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
can be seen on ... the chest film. ... #Clinical #Radiology ... #CXR #CTChest # ... Cavity #Pneumonia
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Hypersensitivity Pneumonia ... #CT #Patterns # ... #pulmonary #radiology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... radiograph or CT ... Blood cultures - Urine ... #CAP #Diagnosis ... #Pulmonary #Community