19 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... a CXR the most common ... seen and in many cases ... #Pulmonary #CXR
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most common ... of these four patterns ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis ... Consolidation #Patterns
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... are also common ... #Pulmonary #CTChest
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
summarizes the most common ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Pulmonary #CXR
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
may show this pattern ... hyperventilation syndrome—a common ... #Breathing #Patterns ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
o infection • Echocardiogram ... Goodpasture's cause ... typically seen on chest ... hematuria, RBC casts ... • IF staining patterns
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... challenging differential diagnosis ... the central dot sign
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... #Radiology #Pulmonary ... #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... associated with mild ... in the knee-to-chest ... Positive Carnett's sign ... #differential #diagnosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... #differential #diagnosis ... #skin #common #