Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - 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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radiology radiologyassistant diagnosis comparison cxr management nodular nodularpattern nodules reticular chest fleischner followup ggo hypersenstitivitypneumonitis ild interstitial miliary mosaic mosaicattenuation
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... The cystic pattern ... Diagnosis #Radiology #Pulmonary
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
Miliary Pattern - Chest Radiology • Miliary opacities are scattered, small (1 -4 mm) nodules •
Miliary Pattern ... PulmPEEPs #Miliary #Pattern ... diagnosis #pulmonary ... #CXR #clinical ... #CT
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... #CTChest #Nodular ... #Pattern #NodularPattern ... #Differential # ... Comparison #Table
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table
Pulmonary Renal Syndromes - OnePager Summary Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... capillaritis leading to diffuse ... hemorrhage (DAH) • Diffuse ... CT ... • IF staining patterns
On the left a patient with ground glass pattern in a mosaic distribution. Some lobules are involved
with ground glass pattern ... The differential ... are confluent, HRCT ... #Clinical #Radiology ... #CTChest #GGO #
Septal thickening Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... has a limited differential ... diagnosis (Table ... in interstitial pulmonary ... #HRCT #CTChest
On the left a smoker with RB-ILD with subtle HRCT-findings. The dominant pattern is ground glass opacification. Additional
RB-ILD with subtle HRCT-findings ... The dominant pattern ... these non-specific CT ... there is a broad differential ... #CTChest #RBILD
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 #CTChest ... Society #Followup #Pulmonary
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