13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... #Differential #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology ... #Pulmonary #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Lung #Pulmonary ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... associated pulmonary ... #Radiology #CTChest ... Emphysema #Comparison
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... of the leads l, aVL ... Equivalents #ECG #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... asymmetrical, similar or bigger ... wave inversion in avL ... Ischemia #ECG #EKG #diagnosis ... Interpretation #differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Comparison #Table
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... , superimposed inter ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Comparison #Table
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Common Causes: • Cystic ... no evidence of cystic ... Nasal polyps and signs ... #differential # ... diagnosis