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
Differential diagnosis ... in interstitial lung ... : reticular, nodular ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Diffuse ... opacities - Fine Nodular ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Atelectasis #Diagnosis #Clinical
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... the nodules are diffuse ... Diagnosis #Radiology #Pulmonary ... #Nodules #Differential
Miliary Pattern - Chest Radiology
 β€’ Miliary opacities are scattered, small (1 -4 mm) nodules
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Miliary Pattern ... mm) nodules β€’ Diffusely ... throughout the lungs ... #diagnosis #pulmonary ... #CXR #clinical
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification ... #algorithm
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Differential Bilat ... : Pulmonary edema ... , interstitial diffuse ... #POCUS #clinical
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Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Goodpasture's cause ... leading to diffuse ... hemorrhage (DAH) β€’ Diffuse ... sparing of the lung ... β€’ IF staining patterns
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 β€’ Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
AIDS Patients β€’ Diffuse ... avium complex β€’ Nodular ... /Masses: M.tuberculosis ... Actinomyces spp., NHL; Lung ... #diseases #differential
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... LCDD, SS Cyst pattern ... Disease #DCLD #pulmonary ... #Algorithm #Diagnosis ... #differential
B-Lines in Pulmonary Fibrosis
Lung comets are usually seen in wet lungs, but do not forget that
B-Lines in Pulmonary ... Fibrosis Lung ... is an important differential ... In the latter case ... comets #tails #clinical
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