22 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Skin lesions • Positive ... Behcet disease) Differential ... inhibitors • Uveitis- Ophthalmology ... #management #signs
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... think about three clinical ... Neurogenic Ptosis - Neurologic ... #Differential # ... Diagnosis #ophthalmology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... desaturation, Scotoma, Ocular ... Manifestations #diagnosis ... #neurology #symptoms ... #signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... life-threatening Differential ... test - Cogan sign ... - Peek sign ... #management #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Diagnosis Framework ... meningeal irritation signs ... glaucoma - Ocular ... #diagnosis #ophthalmology ... #Neurology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Pathogenesis and Clinical ... normal: - extra-ocular ... movements and globe position ... pathophysiology #ophthalmology ... #diagnosis #signs
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• Common clinical ... Acute meningeal signs ... • Gram stain: Positive ... 90% • Culture: Positive ... #diagnosis #neurology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Arthritis) - MSK Radiology ... mass and NO prior signs ... Differential diagnosis ... Tendon Sheath - Nodular ... #Radiology #diagnosis
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... hyperthermia crisis (late sign ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... #Management #Workup