88 results
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Dyspnea+, Pleuritic Chest ... mechanical ventilation Chronic ... #Pneumonia #diagnosis ... #pulmonary
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... of Pulmonary Eosinophilia ... Idiopathic: Acute chronic ... pulmonary eosinophilia ... Washington University ID
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... pneumonia: Acute, Chronic ... #diagnosis #differential ... #pulmonary #causes
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Carina crossover sign ... PHTN #ChestCT #CTChest ... #Radiology #cardiology ... #diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
cough, SOB • Chronic ... of asthma, CF; Chronic ... Respiratory sx in 40%, mild ... Lung #Diseases #pulmonary ... #differential #diagnosis
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... Distinct pulmonary ... Feeding #Vessel #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... pneumonia (COP), chronic ... eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... doi.org/10.1016/j.chest ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... testing; CTEPH, chronic ... hypertension; CXR, chest ... , chronic lung disease ... #Diagnosis #Peds
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Reverse Halo Sign ... Halo Sign 6. ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis