14 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... #ChestCT #CT #Lung ... #Signs #Pulmonary ... Diseases #diagnosis #differential ... #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... the surrounding lung ... associated pulmonary ... Clinical #Diagnosis #Radiology ... #Emphysema #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : - LAM: round cysts ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... Comparison #Table
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c ... #clinical #cardiology ... #McConnells #sign
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Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... , like cyst, cavity ... #CXR #Lucency #Differential ... #Lung #Pulmonary ... #Diagnosis #Radiology
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... CT • Hydatid cyst ... • DDx: Hydatid cyst ... #Pulmonary #diagnosis ... #radiology #clinical
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
adenopathy ('1-2-3-sign ... In lung carcinoma ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... Lymphadenopathy #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... When the cysts have ... #Diagnosis #Radiology ... #Pulmonary #CXR