9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
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 ... Histiocytosis #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
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 #Nodular ... #Differential #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... The cystic pattern ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #MiliaryTB #Comparison ... Metastases #Mimic #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
HR-pattern: reticular nodular ... attenuation (emphysema, cystic ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest