9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Examination: • UMN signs ... Clonus, Babinski’s sign ... • Lhermitte’s sign ... pupillary defect SIGNS ... Signs and symptoms
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... • Meningeal signs ... Systemic symptoms and signs ... Space-occupying brain lesion ... #Algorithm #neurology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... nodule, Hepatic cyst ... CT #MRI #POCUS #radiology ... #differential #diagnosis ... #comparison #table
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
- Differential Diagnosis ... Hippel-Lindau Syndrome ... Carcinoma - No signs ... #RenalMass #Nephrology ... #Differential #Diagnosis
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Lack of UMN/LMN signs ... electromyographic (EMG ... #Differential #Diagnosis ... #neurology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... hypertension and signs ... renal bruit or signs ... Neurologic disorders
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver Lesions ... nodule, Hepatic cyst ... Contrast #POCUS #radiology ... #differential #diagnosis ... #comparison #table
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
Signs of poor perfusion ... Signs of congestion ... importantly, bedside ultrasound ... acute coronary syndrome ... #treatment #table