11 results
Lungcancer
10% of lungcancers cavitate, most commonly squamous cell carcinoma.
Small cell lungcancer does not cavitate.
Bronchoalveolar carcinoma, or
Here a chest x-ray ... large cavitating lung ... #CXR #LungCancer ... #Cancer #Cavity ... #Cavitary #RadiologyAssistant
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CT • Air surrounding ... cavity • DDx: ... #Lung #Pulmonary ... #diagnosis #radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... we describe a chest ... as: Cavity - lucency ... CavitaryLesion #Cavity ... #Cyst #Lung #Pulmonary
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... The chest film shows ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
the infarcted area ... we see an old chest ... density on the chest ... On the CT we can ... #CXR #CTChest #
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... hump along may aid ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... failure, COPD, Lung ... cancer, Primary ... +/- High res CT ... chest scan), CBC
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
• Look at the CXR ... cavity? ... since a prior CXR ... injury to the lung ... large injury to lung
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Nodular or cavitary ... Mimics TB with: Cavitary ... disease, alcohol, cancer ... • Dyspnea, • Chest ... Imaging, high res CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... Pneumonia: • Chest ... fever, cough and cavitary