32 results
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Granulomatous DX with Vasculitis ... Granulomatous DX: Sarcoidosis ... #interstitial #lung ... #disease #pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Pulmonary #CXR
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
and obstructive pattern ... Systemic disorders: sarcoidosis ... neurofibromatosis, vasculitis ... Classification #Diagnosis ... #Differential #Causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Other ILDs: • Sarcoidosis ... • Vasculitis: ... Diseases #ILD #diagnosis ... #causes
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... throughout the lungs ... Differential Diagnosis ... Granulomatous: Amyloid, Sarcoidosis ... #pulmonary #CXR
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... granulomas within the lungs ... e.g. incidental CXR ... Pulmonary: dyspnea ... Pulmonary and
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Presentation - Systemic Symptoms ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #rheumatology #
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
blood vessels (vasculitis ... pleural effusion on CXR ... inflammation tends to cause ... disease/pulmonary ... #diagnosis #ExtraArticular
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
syndrome (bulbar symptoms ... antibody GQ1b) - Sarcoidosis ... - small cell lung ... #Differential #Diagnosis ... #Causes #Neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... early disease) • CXR ... : • Vasculitis ... #Abscess #pulmonary