10 results
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
and Langerhans cell ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #LAM
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... Broncho-alveolar cell ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... HighAttenuation #Pattern #Comparison
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
opacities and the well ... defined areas of ... #Clinical #Radiology ... #CTChest #RBILD ... #Comparison #HypersensitivityPneumonitis
Lymphangioleiomyomatosis- Computed tomography of the chest, reconstructed in the coronal plane at the level of the
tomography of the chest ... Spindle cells coexpressing ... Lymphangioleiomyomatosis #LAM ... #radiology #CT ... wedge #biopsy #NEJM
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... A chest radiograph ... that were in his breast ... #NEJM #clinical ... #radiology #CT #
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT chest ... rise from last lab ... interventional radiology ... “big & sticky” cells ... plasmapheresis Hypercalcemia