9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
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 ... On a Chest X-Ray ... #Diagnosis #Radiology
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... causes the collapse lung ... #Luftsichel #Sign ... Collapse #clinical #radiology ... #Chest #XRay #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... X-ray, we are trying ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs ... of CXR congestion
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
no evidence of cystic ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... Bronchiectasis #pulmonary #differential
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... Histiocytosis #Cystic
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
film (Table). ... logical sequence of signs ... chronic obstructive lung ... #CHF #CXR #Stages ... #Findings #Signs
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary