19 results
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Focal pulmonary ... a repeat chest CT ... growth with chest CT ... emission tomography-CT
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
Size A solitary pulmonary ... cm are usually malignant ... either benign or malignant ... #EBM #Radiology ... #Pulmonary #SolitaryPulmonaryNodule
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
24 hours) • Malignancy ... Malformation Normal CXR/CT ... Bronchitis Diffuse CT ... Tuberculosis • Fungal Malignancy ... Pulmonary Vasculitis
Since these risk factors are numerous and have different effects on the malignancy risk, it is
effects on the malignancy ... probability of malignancy ... #Diagnosis #EBM ... #Radiology #Pulmonary
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... Vasculitis - Anti-GBM ... Positive (ANCA + anti-GBM ... valve disease, Malignant ... Kumfer @AnnKumfer #Pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... antibody, Anti-GBM ... usually low in anti-GBM ... Other tests: • CT ... seen on chest CT
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... Diagnosis for Pulmonary ... anti-ANCA ab, anti-GBM ... resolution chest CT
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Coxsackie, CMV, EBV ... Hantavirus • Malignant ... hepatitis • Pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Strongy, schisto • Malignancy ... differential #diagnosis #pulmonary ... CXR #clinical #CT
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Sign on Chest CT ... DDx: Empyema, malignant ... #Pleura #Sign #CT ... #Lung #Pulmonary