22 results
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Disease Upper Lobe ... (LCDD), Cystic Pulmonary ... Disease Lower Lobe ... #differential #diagnosis ... #causes #pulmonary
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... cyst in the upper lobe ... is a possible diagnosis ... airways leading to pulmonary ... LAM also occurs
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
- Differential Diagnosis ... anourysm, Enlarged pulmonary ... Upper or middle lobe ... Nodule / mass • Masses ... #Differential #Diagnosis
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential Diagnosis ... Lymphangioleiomyomatosis (LAM ... ), • Pulmonary ... leaking out of pulmonary ... #Differential #Diagnosis
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... Therefore, conditions caused ... apices caused by ... With Upper Lobe ... #differential #diagnosis
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Uncommon Causes ... - Differential Diagnosis ... the right middle lobe ... #edema #causes ... #differential #diagnosis
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
involving a segment or lobe ... WHAT ARE COMMON CAUSES ... Bronchiectasis #pulmonary ... #diagnosis #differential ... #causes
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... - Acute pulmonary ... with an upper lobe ... blastomycosis • Diagnosis ... #Blastomyces #diagnosis
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the right lower lobe ... multiple ill-defined masses ... the differential diagnosis ... The lab-findings ... Biopsy revealed the diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... CXR upright or lat ... Lung #Abscess #pulmonary ... #differential #causes