16 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... 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 ... Comparison #Table #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... #Clinical #Radiology ... #CXR #CTChest # ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the air-fluid level ... attached to the chest ... There is a lung cyst ... #Clinical #Radiology ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also
second reticular pattern ... Because of the cystic ... #Clinical #Radiology ... #CTChest #Honeycombing ... UsualInterstitialPneumonia #RadiologyAssistant
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
recesses at the level ... of the proximal aorta ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... caused by multiple cysts ... #Clinical #Radiology ... Histiocytosis #Cystic ... #RadiologyAssistant
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
inferior to the level ... lymphadenopathy Bronchogenic cyst ... #Clinical #Anatomy ... #Radiology #CTChest ... Azygoesophageal #Recess #RadiologyAssistant