Dr. Priyanka Teckchandani @DrTeck
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GrepMed Pulmonary and Critical Care Editor - Academic Hospitalist UC Davis Medical Center Internal Medicine, Pulmonary and Critical Care Medicine Fellow UC Irvine ‘22
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Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... tomography; ILD = interstitial ... fibrosis; UIP = usual interstitial ... #IPF #UIP #Algorithm
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Lymphangitic Carcinoma, Interstitial ... HiRes #HighRes #Chest
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... .2016.12.033 #Monod #Sign
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo #Sign
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign
Paradoxical Breathing on Physical Exam

Paradoxical breathing is often a sign of breathing problems. It causes the
breathing is often a sign ... It causes the chest ... includes flail chest
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
Sand Storm Sign ... on Chest CT • Diffusely ... black pleural line sign ... .2016.12.033 #SandStorm #Sign
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... (Camalote Sign) ... on Chest CT • Hydatid ... .2016.12.033 #WaterLily #Sign
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
Cheerio Sign (Open ... Bronchus Sign) ... on Chest CT • Pulmonary ... .2016.12.033 #Cheerio #Sign
Signet Ring Sign on Chest CT
 • Prominently dilated airway compared to its accompanying pulm vessel.
Signet Ring Sign ... on Chest CT • ... #Signet #Ring #Sign