14 results
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... linear branching pattern ... centrilobular nodules ... centrilobular nodules ... #radiology #ChestCT
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... on Chest CT • ... centrilobular nodules ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
: reticular, nodular ... On a Chest X-Ray ... detected on a chest ... #Diagnosis #Radiology ... #Pulmonary #CXR
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
-> Rheumatoid Nodules ... Pericarditis) -> Chest ... Dyspnea, pleuritic chest ... disease/pulmonary ... #signs #symptoms
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nodules, asthma ... vasculitis, ulcers, nodules ... Other tests: • CT chest ... sparing of the lung ... typically seen on chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... , erythematous nodules ... consolidation or nodular ... Imaging: Irregular nodules ... nodules possible
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... granulomas within the lungs ... , cough, chest pain ... pernio, papules, nodules ... #Management #Signs
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
nodules and masses ... Pleuritic chest ... • Reticular + Nodular ... reticular opacities on chest ... #diagnosis #management
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... in fact this is nodular ... interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR