12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
COPD assessment and classification as proposed by GOLD 2001, 2006, 2011 and 2017 Reports. For further
Obstructive Lung Disease ... mMRC: modified Medical ... #Diagnosis #Pulmonary ... GOLD2011 #GOLD2017 #History ... #Comparison #Staging
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
left multiple diseases ... with ground glass attenuation ... #CTChest #LymphangiticCarcinomatosis ... #Comparison #Table ... #RadiologyAssistant
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... allopurinol), Infection ... high resolution chest ... Bronchoscopy with serial ... #differential #
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... life-threatening diseases ... Inflammatory eye disease ... confirm DAH, r/o infection ... #differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
hematogenous spread of a disease ... Opacities: • Infectious ... Endemic fungi: Histo ... thyroid, melanoma, renal ... #diagnosis #pulmonary
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Comparison #Table ... #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Eosinophilic Lung Diseases ... arthralgias, CV, renal ... , CNS, skin • Infectious ... #pulmonary #differential ... #diagnosis #comparison
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Growers (Runyon Classification ... Growers (Runyon Classification ... History of immunosuppressive ... • Dyspnea, • Chest ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... and renal abnormalities ... + MPO-ANCA MEDIUM ... to exclude are infections ... #rheumatology #classification