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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... - Multifocal ill-defined ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
Consolidation is ... edema, blood or tumor ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Consolidation
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Cells - tumor ... typically present as multifocal ... #Diagnosis #Radiology ... #Pulmonary #CXR ... Lobar #Diffuse #Multifocal
Whenever you see an area of increased density within the lung, it must be the result
four patterns. 1- Consolidation ... cells (including tumor ... lobar, diffuse or multifocal ... #Diagnosis #Radiology ... #CXR #Consolidation
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Hemorrhage, Edema • Consolidation ... Blood, Water, Tumor ... #Differential #Diagnosis ... #pulmonary #radiology
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
- Differential Diagnosis ... Pulmonary/Chest ... ILD, Sarcoid, Tumor ... body • Chronic: Tumor ... Chronic: Metabolic acidosis
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
inflammation or tumor ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... encephalitis, Tumor ... altitude, Pneumonia, pulmonary ... Cardiac failure, Pulmonary ... #differential #diagnosis
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT chest ... antibiotics TLS (tumor-lysis ... interventional radiology ... renal failure, pulmonary ... Oncology #HemeOnc #Diagnosis