52 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest ... CT 1. ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Hypertension on Chest ... CT • Main PA ... midline at the level ... PHTN #ChestCT #CTChest ... #Radiology #cardiology
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
evidence of a chest ... infiltrate (e.g., CXR, CT ... Inflammation (e.g., fever ... production, pleuritic chest ... pain) and signs
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... feeding vessel sign ... The chest film shows ... #Clinical #Radiology
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Red Flags: • Fever ... Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... refer + order CT ... History of cancer, lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: • 80% have fever ... disease: Pleuritic chest ... seen • Chest ... CT Lung Abscess ... treatment until the chest
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
chronic eosinophilic pneumonia ... with low-grade fever ... and an abnormal chest ... #Clinical #Radiology ... #CTChest #Eosinophilic