34 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Churg Strauss syndrome ... ) • Eosinophilic ... #diagnosis #differential ... #pulmonary #causes
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Diagnosis Algorithm ... GI, lung, skin), ... ) • Infectious: ... pneumonia, Adrenal ... IBD Stanford Internal
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases ... Pneumonia (< 1 ... Hypereosinophilic Syndrome ... , CNS, skin • Infectious ... #differential #diagnosis
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... Infection: • ... Helminthic: Loffler syndrome ... Washington University ID ... #causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Differential Diagnosis ... Causes: Mucormycosis ... Causes: Granulomatosis ... polyangiitis (Wegener), Eosinophilic ... Dermatomyositis, Lung
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Differential Diagnosis ... histiocytosis (PLCH) • Eosinophilic ... intersitial space Infection ... #Diseases #ILD ... #Causes #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... : • 3 syndromes ... of a "flu-like syndrome ... #Infections #HIV
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Hypereosinophilia Syndrome ... (HES) - Diagnosis ... count (AEC) greater ... Secondary Causes ... hypersensitivity - Infection
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Diagnosis: ... , Chronic eosinophilia ... BOOP #pulmonary #ILD ... #diagnosis #management
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... masses. ... the differential diagnosis ... There was no eosinophilia ... which excludes eosinophilic