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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 ... #LAM #LIP #Histiocytosis
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
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... cyst in the upper ... is a possible diagnosis ... LAM is a rare lung ... #Clinical #Radiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework ... Antitripsyn Def • Cysts ... #Diagnosis #pulmonary ... #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... the surrounding lung ... with end-stage fibrosis ... #Clinical #Diagnosis ... #Radiology #CTChest
Diagram of different types of bone tumors that can occur around the knee on XRay -
< 30 years • Fibrous ... #Bone #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay ... #peds #pediatrics
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... bronchiectasis, as in cystic ... fibrosis (CF) and ... #Clinical #Radiology ... #CXR #CTChest #
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
< 30 years: • Fibrous ... unicameral bone cyst ... Lesions #Bony #Differential ... #Diagnosis #Radiology ... #XRay #MSK #pediatrics
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... The cystic pattern ... #Diagnosis #Radiology