9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... emphysema: no walls ... , central dot. - ... #Comparison #Table ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
This is also called ... cardiogenic edema, to differentiate ... Look for other signs ... #CXR #Diffuse # ... #RadiologyAssistant
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
in the lung due ... • Signs/Symptoms ... fentanyl mixed with heroin ... • Signs/Symptoms ... - The classic signs
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture heals, the callus ... Sometimes a CT is ... necessary to differentiate ... Clinical #Radiology #CXR ... #Pseudotumor #RadiologyAssistant
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
the chest film (Table ... logical sequence of signs ... Radiology #CHF #CXR ... Stages #Findings #Signs ... #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... #differential #
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... e.g. incidental CXR ... General: fever, ... Pulmonary: dyspnea ... Diagnosis #Management #Signs
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
without definable walls ... can identify the central ... dot sign. ... Clinical #Radiology #CXR ... Histiocytosis #Cystic #RadiologyAssistant