Results for: "ctchest"
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Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine) Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of On the left an immunocompromised patient with PCP.
The CT findings are diffuse ground-glass opacification.
The findings are The CT-images demonstrate the atelectasis of the left upper lobe (blue arrow).
There is a centrally located Notice the cavitation especially on the right.
In the left upper lobe there is probably some traction-bronchiectasis On the left another patient with ground glass pattern in a mosaic distribution.
Again the ground glass  #Clinical #Radiology #CTChest #RoundedAtelectasis #Rounded #Atelectasis #CometTail #Sign #RadiologyAssistant Lymphangitis carcinomatosis also produces a reticular pattern.
It is best appreciated on HRCT-images. #Clinical #Radiology #CTChest #Lymphangitic On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive Honeycombing represents the second reticular pattern recognizable on HRCT.
Because of the cystic appearance, honeycombing is also Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of There is a large pericardial effusion, which is located posteriorly to the left ventricle (blue arrow).
The he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes Here we have a prior CXR of this patient.

The AP-film shows a right paratracheal mass.
The azygoesophageal Miliary TB
This represents a hematogenous dissemination of infection and may occur in association with either primary  #Clinical #Radiology #CXR #CTChest #Cavity #Pneumonia #CavitaryPneumonia #RadiologyAssistant On the left a patient who had a CT to rule out pulmonary embolism.
There is a High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage The azygoesophageal recess is the region inferior to the level of the azygos vein arch in HRCT findings in Chronic eosinophilic pneumonia

Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans Key findings in alveolar proteinosis
- Crazy paving pattern: reticular pattern superimposed on ground glass opacification.
- Opacifications Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and On the left another patient with a large cardiac silhouette on the chest x-ray due to Pericardial fatpad
Pericardial fat depositions are common.
Sometimes a large fat pad can be seen (figure).
Necrosis of the Lymphocytic interstitial pneumonitis or LIP is uncommon, being seen mainly in patients with autoimmune disease, particularly