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 ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... interstitial lung disease ... low attenuation (table ... The cystic pattern ... seen and in many cases
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... bilateral Breast cyst ... bruising/erythema/sign ... #benign #differential ... #table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... before the typical cysts ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... life-threatening causes ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... ) • CXR upright ... Lung Abscess Differential ... Abscess #pulmonary #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Cystic fibrosis ... Connective tissue diseases ... no evidence of cystic ... Nasal polyps and signs ... Bronchiectasis #pulmonary #differential
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Table #CavitaryLesion
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... the central dot sign ... many inhalational diseases ... Clinical #Radiology #CXR ... #CTChest #LCH #