17 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Hypersensitivity pneumonitis ... ILD caused by inhalation ... • Radiation pneumonitis ... Pneumonias: • ... differential #pulmonary #causes
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Hypersensitivity, Pneumonitis ... BrighamChiefs #ILD ... #Causes #Differential ... #Diagnosis #interstitial
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... , worse at the bases ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD ... #Causes #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... pneumonias Cryptogenic ... Unknown • 6-7 cases ... BOOP #pulmonary #ILD ... #diagnosis #management
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... pneumonias (IIPs ... indicates unknown cause ... and interstitial ... IdiopathicInterstitialPneumonia #ILD
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
pneumonitis ... Exclude other causes ... Exclusion of other ILDs ... pneumonitis ... Pulmonary #diagnosis #management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Prognosis: Usually mild ... Discontinuation of causal ... Usual therapeutic management ... of SLE • Evolution ... rheumatology #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
cytokines (TNFa,lL1, IL6 ... Drugs, Unknown cause ... 100 mg/m2) : in case ... inhibitors under evaluation ... Lymphohistiocytosis #diagnosis #management
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... diarrhea related to IBD ... total body stores Evaluation ... PBS - anemia, mild ... Deficiency #diagnosis #management
On the left a chest film of a patient with UIP due to IPF.
The findings on
reticular densities caused ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant