21 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Hypersensitivity pneumonitis ... TB: Tree-in-bud ... #Clinical #Diagnosis ... #Radiology #Pulmonary
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
Pulmonary complications ... -It’s a diagnosis ... during therapy. -1/ ... pneumonitis, but ... #Radiology #Honc
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... centrilobular nodules ... #diagnosis #clinical ... #radiology #ChestCT ... #pathophysiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... centrilobular nodules ... bronchiolitis, aspiration pneumonitis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... and tree-in-bud ... hypersensitivity pneumonitis ... #Diagnosis #Pulmonary
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
- Differential Diagnosis ... this should be 1° ... Metastases to lung as nodules ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Low Attenuation Nodular ... Hypersensitivity Pneumonitis ... Smoking, Alpha-1- ... #pulmonary #radiology
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
nodules and masses ... including: 1. ... • Reticular + Nodular ... Diagnosis: ... Exclusion of other ILDs
Hypothyroidism and Hyperthyroidism - Symptoms and Signs
Hypothyroidism:
 - General - From asymptomatic to myxedema coma, “Like
- Symptoms and Signs ... Thinning of lateral 1/ ... have high energy but ... Hyperthyroid #Symptoms #Signs ... #Diagnosis #endocrinology
Based on the images alone, it is usually not possible to determine the cause of the
chest x-rays. 1. ... consolidation, but ... in fact this is nodular ... #Clinical #Diagnosis ... #Radiology #CXR