16 results
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... CT • Air surrounding ... a fungal ball in ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... Bacterial, TB, NTM, Fungal ... Obstruction 6) Rheumatologic ... Bronchiectasis #pulmonary ... #diagnosis #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... 38 degrees • Chills ... seen • Chest CT ... Prevotella • Fungal ... #Abscess #pulmonary
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on ... filling defect ... #Polo #Mint #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Fever, cough, chills ... symptoms • Rheumatologic ... change in the lungs ... nails, bronchi, lungs ... #Diagnosis #Management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pseudomonas FUNGAL ... • CT: Halo sign ... Infections #HIV #AIDS #pulmonary ... #differential #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Fevers and/or chills ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... high-resolution chest CT
Allergic Bronchopulmonary Aspergillosis (ABPA)
WHAT IS IT?
Hypersensitivity response to Aspergillus fumigatus in the airways
 • Primarily affects
• Primarily affects ... CAN YOU SEE ON CT ... corticosteroids +/- anti-fungal ... Aspergillosis #ABPA #pulmonary ... #diagnosis #management
Portopulmonary Hypertension
Presence of pulmonary arterial hypertension in a patient with portal hypertension
No other obvious causes (chronic
Hypertension Presence of pulmonary ... causes (chronic lung ... m/s • Other signs ... the vasodilatory effects ... #management #hepatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Affects 1:25,000 ... • Chronic lung ... Chest CT: • Ground-glass ... and M panel Management ... #diagnosis #management