283 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... Solitary Pulmonary Nodule ... - Multiple Masses ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Sarcoidosis: nodules ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... #Clinical #Diagnosis ... Comparison #Table #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Algorithm for Suspected Penicillin Allergy in Patients Undergoing Surgery 

• Cephalosporins may be prescribed to patients
Suspected Penicillin Allergy ... reported penicillin allergy ... physicians use the clinical ... diagnosed as skin-test ... those who are skin-test
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... perilymphatic nodules ... #Clinical #Radiology ... Peribronchovascular #Nodular ... #RadiologyAssistant
Milk Hypersensitivity Allergy

This 6-month-old breast-fed infant developed an allergic reaction (a), with widespread urticaria immediately after
Hypersensitivity Allergy ... infant developed an allergic ... Skin-prick test ... Hypersensitivity #Allergy ... #Clinical
Eosinophilic Bronchitis - Bronchoscopy revealed diffuse nodules in the tracheobronchial mucosa (Panel A). Biopsy of a
revealed diffuse nodules ... Biopsy of a nodule ... the size of the nodules ... mucosa (Panel B) #Clinical ... #Pulm #Allergy
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a ... demonstrated a fine nodular ... #Clinical #Radiology ... #Sarcoidosis #Nodular ... Interstitial #Pattern #RadiologyAssistant