31 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... To differentiate ... #Clinical #Diagnosis ... #Radiology #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... ): uniform cysts ... Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Lymphangiomyomatosis (LAM ... ): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... we describe a chest ... #CXR #Lucency #Differential ... Lung #Pulmonary #Diagnosis ... #Radiology
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... Cystic #Comparison #LAM
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
CT • Hydatid cyst ... • DDx: Hydatid cyst ... Sign #Camalote #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung cyst ... is a possible diagnosis ... leading to pulmonary cyst ... #Clinical #Radiology
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... 90% are smokers, cysts ... Centrilobular emphysema ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis