22 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 ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Asthma - COPD - Bronchiectasis ... • Parenchyma: ILD ... of Dyspnea: • Chest ... #dyspnea #sob #differential
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... The most common cause ... #Differential # ... RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Asthma • COPD • Bronchiectasis ... Chest Wall Abnormalities ... Interstitium • ILD
On the left two cases of NSIP.
Note the varying combination of GGO and fibrosis (traction bronchiectasis),
On the left two cases ... fibrosis (traction bronchiectasis ... Clinical #Radiology #CTChest ... NonspecificInterstitialPneumonia #ILD ... #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Bronchiectasis - ... Chronic inflammation causes ... Most Common Causes ... Nasal polyps and signs ... #pulmonary #differential
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean areas ... associated with mild ... Positive Carnett's sign ... Abdominal #Pain #differential
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... abnormalities and signs ... Clinical #Radiology #CTChest ... DesquamativeInterstitialPneumonia #ILD ... #RadiologyAssistant
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... on the skin • Areas ... → Syncope • Signs ... heat #illness #differential ... #diagnosis #causes
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
On the left two cases ... will be other signs ... honeycombing or traction bronchiectasis ... Clinical #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant