14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... seen and in many cases
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... Unknown • 6-7 cases ... - Imaging: • CXR ... , cavities • HRCT ... BOOP #pulmonary #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... pneumonias (IIPs ... indicates unknown cause ... morphologic findings on HRCT ... #ILD #Findings
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Dyspnea - Differential ... Pulmonary Alveoli • Pneumonia ... Neoplasm Pulmonary Interstitium ... • ILD • CHF ... Pulmonary - Other • Anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... Index < 2: • Anemia ... • Hemolysis: Autoimmune ... Production #Index #hematology ... #anemia #differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... disorders, Mycoplasma pneumoniae ... #differential # ... diagnosis #hematology ... #anemia
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... pneumonia (AIP, ... aswell as the HRCT ... The HRCT characteristics ... AcuteInterstitialPneumonia #ILD
Anemia of Hospitalization - Pathophysiology

Why does the Hgb/Hct drop in the first two days during hospitalization?

Interestingly,
Why does the Hgb/Hct ... -6% drop in Hg/Hct ... 30 min and Hg/Hct ... concentrating Hg/Hct ... Decrease of Hg/Hct
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
cytokines (TNFa,lL1, IL6 ... solid cancers • Autoimmune ... Drugs, Unknown cause ... PTLD), allogeneic HSCT ... treatment #summary #rheumatology
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
(e.g., chronic interstitial ... Most commonly: Interstitial ... Exclude other causes ... Exclusion of other ILDs ... confirmatory findings on HRCT