10 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... and also nodules ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... next to pleura and ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
on HRCT is the ... perilymphatic and ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... pneumoconiosis and ... and the nodular ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
CXR: Peripheral distribution ... irregular lines, nodular ... , cavities • HRCT ... other processes Workup ... ILD #diagnosis #management
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
pneumonia; PZ, pulmonary ... perilymphatic distribution ... #Diagnosis #Pulmonary ... #Radiology #RHS ... #Differential #Algorithm
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Cardiogenic pulmonary ... gravitational and ... perihilar distribution ... #Clinical #Radiology ... Reticular #Pattern #Comparison
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nodules, asthma ... vasculitis, ulcers, nodules ... mononeuritis multiplex WORKUP ... in crescentic GN ... differential #diagnosis #management
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
• Dose ≥ 400 mg ... nodules and masses ... • Reticular + Nodular ... confirmatory findings on HRCT ... #diagnosis #management
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... days → add fungal work-up ... interventional radiology ... bispecifics, or HSCT ... renal failure, pulmonary