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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
centrilobular nodules ... centrilobular nodules ... #diagnosis #clinical ... #radiology #ChestCT ... #pathophysiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... perilymphatic nodules ... #Clinical #Radiology ... #CTChest #Sarcoidosis ... #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... leading into a lung nodule ... Feeding #Vessel #Sign ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
the chest x-ray ... demonstrated a fine nodular ... #Clinical #Radiology ... #Sarcoidosis #Nodular ... Interstitial #Pattern #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
opacities are more nodular ... appearance as in this case ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... Centrilobular #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... bronchial obstruction caused ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant