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On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... cysts. ... Diagnosis #Radiology #CTChest ... #Cystic #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... child-bearing age - Cystic ... Diagnosis #Radiology #CTChest ... #Cystic #Cysts
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... CT Right Lung: ... Lung: • Upper ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Algorithm Benign Cystic ... • Cyst • Polycystic ... Cystadenoma • Hydatid Cyst ... Malignant Cystic ... Lung, Colon, Breast
Causes of Solid or Cystic Renal Mass - Differential Diagnosis Algorithm
Solid Renal Mass:
 • Benign <3
Causes of Solid or Cystic ... >3 cm in size Cystic ... contrast #Solid #Cystic ... #RenalMass #Nephrology
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung ... cyst in the upper ... something to do with a cystic ... leading to pulmonary cyst
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... cysts (LAM, LIP ... Radiology #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Diagnosis Algorithm Cystic ... Simple: Simple cyst ... Complex: Hydatid Cyst ... secondary - Breast, Lung
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Disease (LCDD), Cystic ... @nickmmark #Cystic ... #Lung #Disease