69 results
Milk Hypersensitivity Allergy

This 6-month-old breast-fed infant developed an allergic reaction (a), with widespread urticaria immediately after
Milk Hypersensitivity ... Allergy This ... Skin-prick test ... (c) #Milk #Hypersensitivity ... #Allergy #Clinical
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... Pathogenesis and clinical ... causes development ... of allergen-specific ... Allergic reaction
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
fibrosis (CF) and allergic ... ABPA is a hypersensitivity ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... #Clinical #Radiology ... #CXR #CTChest # ... Hypersensitivity ... Chronic #Fibrosis #RadiologyAssistant
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
the appropriate clinical ... #Clinical #Radiology ... #CXR #CTChest # ... ABPA #Allergic # ... FingerInGlove #Sign #RadiologyAssistant
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... Pathogenesis and clinical ... self-antigens are the cause ... antigens are the cause ... HypersensitivityReaction #Allergy
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
table of types of hypersensitivity ... Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... dermatitis, Tuberculin test ... reactions #types #allergy
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
most frequently caused ... The other cause ... #Clinical #Radiology ... #CXR #Acute #Interstitial ... Pneumonia #PJP #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
to a pneumonia caused ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
In the proper clinical ... lobar pneumonia caused ... #Clinical #Radiology ... #CXR #AirBronchogram ... Lobar #Pneumonia #RadiologyAssistant