Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... low attenuation (table ... on a CXR. ... #Diagnosis #Radiology ... #Pulmonary #CXR
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... bronchiolitis in infection ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Miliary Pattern - Chest Radiology
 β€’ Miliary opacities are scattered, small (1 -4 mm) nodules
 β€’
Miliary Pattern ... - Chest Radiology ... #Chest #Radiology ... differential #diagnosis #pulmonary ... #CXR #clinical
Pulmonary Tuberculosis - Patterns of Involvement
 β€’ Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... - Patterns of Involvement ... spread of MTB infection ... #chest #xray #clinical ... #radiology #CXR
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... A HRCT is needed ... HRCT demonstrated ... #Clinical #Radiology
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Plexiform-lesion formation Clinical ... not specific β€’ Chest ... mosaic parenchymal pattern ... Bypass Other Treatment ... Thromboendarterectomy #diagnosis #management
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 β†’ start cefepime Β± vancomycin (if
if SSTI or port infection ... suspected) - CT chest ... abdominal pain; full infectious ... interventional radiology ... renal failure, pulmonary
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... with a benign pattern ... mm depends on clinical ... #Management #Radiology ... Society #Followup #Pulmonary