20 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential
Abdominojugular (Hepatojugular) Reflux

Described by Pasteur in 1885 as a physical sign of TR. Still useful for
as a physical sign ... Still useful for diagnosis ... Positive reflux= ... #PhysicalExam #Clinical ... #Cardiology #HJR
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Renal Mass - Differential ... Diagnosis Algorithm ... , Positive family ... Hippel-Lindau Syndrome ... Carcinoma - No signs
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... desaturation, Scotoma, Ocular ... complications (AQP4-positive ... Manifestations #diagnosis ... neurology #symptoms #signs
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... (Clinical Dx). ... Skin lesions • Positive ... Behcet disease) Differential ... #signs #symptoms
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... life-threatening Differential ... myasthenia Diagnosis ... test - Cogan sign ... - Peek sign
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
knee-to-chest position ... Carnett's sign ... incisional hernias: clinical ... Abdominal #Pain #differential ... #diagnosis
Cystic Duct Stone on Biliary POCUS

Not your average gall stone. This stone is lodged in the
lead to Mirizzi syndrome ... Very clear video ... dilated, shotgun sign ... is positive, and ... ultrasound #abdominal #clinical
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
point • De Winter syndrome ... continues into tall, positive ... Equivalents #ECG #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram