6 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... Contrast #CT #MRI #POCUS ... #radiology #differential ... #diagnosis #comparison ... #table #appearance
Free Air on Abdominal POCUS - Enhanced Peritoneal Stripe Sign (EPSS)

50 year old female with LLQ
Free Air on Abdominal ... POCUS - Enhanced ... peritoneum and liver ... #POCUS #EPSS #clinical ... #ultrasound #radiology
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Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver ... #Contrast #POCUS ... #radiology #differential ... #diagnosis #comparison ... #table #appearance
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... - Cataract Plan ... change CV risk Chest ... undergoing AAA or upper abdominal ... stratification #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... consider intra-abdominal ... bleeding often from a liver ... #Radiology #CTChest