25 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age - Cystic bronchiectasis ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
histiocytosis) - Bronchiectasis ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Causes of Cough and Hemoptysis
Acute Inflammation 
 - Laryngitis 
 - Tracheobronchitis 
 - Mycoplasma and
Bronchitis - Bronchiectasis ... - Pulmonary Tuberculosis ... Mitral Stenosis - Pulmonary ... Cough #Hemoptysis #Differential ... #Causes #Table
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... - Tamponade Pulmonary ... Asthma - COPD - Bronchiectasis ... Transverse myelitis • Hematology ... #dyspnea #sob #differential
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... HRCT #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
Bronchiectasis is ... Diagnosis #Radiology #Pulmonary ... #Bronchiectasis ... #Differential # ... RadiologyAssistant
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
The table lists ... the differential ... Diagnosis #Radiology #Pulmonary ... Consolidation #Differential ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Artery Disease • Stable ... Asthma • COPD • Bronchiectasis ... Vessels • Pulmonary ... #Dyspnea #SOB #Differential
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... Obstruction 6) Rheumatologic ... @PulmPEEPs #Bronchiectasis ... #pulmonary #diagnosis ... #differential #