13 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Diagnosis #Radiology #CTChest ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest ... #Table #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation pattern ... end-stage with massive fibrosis ... consolidation #Clinical ... Radiology #HRCT #CTChest ... #Comparison #Table
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... cyst: • Arise ... Fat necrosis: • Fibrosis ... bruising/erythema/sign ... diseases #benign #differential
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 ... NodularPattern #Differential ... #Comparison #Table
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 ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
and some mosaic pattern ... abnormalities and signs ... of fibrosis are ... cessation of smoking #Clinical ... #Radiology #CTChest
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... or NSIP pattern ... disease in the differential ... #Clinical #Radiology ... #CTChest #DrugInduced