14 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
on Chest CT • Pulmonary ... nodule with a central ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
dense pulmonary ... black pleural line ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
which the right lung ... by (5): Hiatal hernia ... Bronchogenic cyst #Clinical ... #Anatomy #Radiology ... #CTChest #AzygoesophagealRecess
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... granuloma with a central ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... areas where the lung ... the silhouette sign ... #Clinical #Anatomy ... #Radiology #CXR
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... thickening of the central ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Comparison #Table
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... • Signs/Symptoms ... fentanyl mixed with heroin ... edema #causes #differential
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... diagnosis (Table ... edema (Kerley B lines ... #Diagnosis #Radiology ... #CTChest #Reticular