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 diagnosis clinical pulmonary comparison cystic hrct cxr lowattenuation cd4 histiocytosis hivaids infections interstitial langerhanscellhistiocytosis management nodular nodularpattern prs renal
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... emphysema: no walls, central ... Diagnosis #Radiology #CTChest ... #Table #RadiologyAssistant
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... detected on a chest ... When the cysts have ... RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis. The
On the left a chest ... findig on the chest ... caused by multiple cysts ... can identify the central ... #LCH #LangerhansCellHistiocytosis
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
before the typical cysts ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Pulmonary Infections in HIV-AIDS Bacterial: • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
/- High res CT chest ... PCP DFA sputum, LDH ... Infections #HIVAIDS #workup ... #diagnosis #evaluation ... #differential #
Pulmonary Renal Syndromes - OnePager Summary Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... Other tests: • CT chest ... typically seen on chest ... hematuria, RBC casts ... • IF staining patterns
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 ... Kerley B lines on chest ... #RadiologyAssistant
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