12 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Low Attenuation Nodular ... #CT #Patterns # ... #pulmonary #radiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... hematogenous spread of a disease ... #Radiology #differential ... #diagnosis #pulmonary ... CXR #clinical #CT
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... allopurinol), Infection ... infiltrates) → high ... resolution chest ... CT • Bronchoscopy
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
avium complex • Nodular ... tuberculosis Infectious ... #diseases #differential ... #diagnosis #chestCT ... #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Imaging (CXR +/- High ... res CT chest scan ... Diseases Fellows ... diagnosis #evaluation #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... , in advanced disease ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
(elevations of liver ... • Dyspnea, • Chest ... Symptoms, Imaging, high ... res CT) • Exclusion ... #differential #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... , high and low attenuation ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Pulmonary #CXR
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
DX relies on a high ... affected tissue • High-dose ... Mississippi and Ohio River ... aches, joint pain, chest ... , ocular, or disseminated
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework Disease ... • CT: Halo sign ... #HIV #AIDS #pulmonary