25 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... • Radiation pneumonitis ... Idiopathic pulmonary fibrosis ... pneumonia: Acute, Chronic ... #diagnosis #differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Allergic, Post-infectious ... , Pneumonitis, ACEi ... Autoimmune Vasculitis, ILD ... Schema #Acute #Chronic ... #Differential #
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Hypersensitivity Pneumonitis ... Subacute stage: - RB-ILD ... In chronic HP fibrotic ... #Mimic #ILD #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Hypersensitivity Pneumonitis ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #CT #Patterns #Differential
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Differential Diagnosis ... Inflammatory, Infectious ... : IBD, Ischemia, ... Diagnosis #causes #gastroenterology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Interstitial Pneumonia - fibrosis ... intersitial space Infection ... Beomycin • Acute or Chronic ... Radiation Pneumonitis ... Lung #Diseases #ILD
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
There is fibrosis ... The differential ... diagnosis includes chronic ... hypersensitivity pneumonitis ... #RadiologyAssistant
Lower GI Bleed - Differential Diagnosis Framework
Structural:
 - Diverticulosis
 - Post-Polypectomy Bleeding
 - Hemorrhoids
 - Polyps
Lower GI Bleed - Differential ... Ischemic Colitis - IBD ... - Infectious Colitis ... GIBleed #LGIB #Differential ... #Diagnosis #gastroenterology