18 results
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies Dermatomyositis ... Subacute • Pattern: Proximal ... Subacute • Pattern: Proximal ... diagnosis #comparison #rheumatology ... #table
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Antibodies (MSAs) Dermatomyositis ... Antibodies #MSAs #clinical ... #diagnosis #rheumatology ... #table
Dermatomyositis
A middle-aged man describes progressive difficulty combing his hair and rising from a seated position over
Dermatomyositis ... This is a case of ... dermatomyositis ... also possible but proximal ... Gottrons #Papules #Clinical
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
ANTI-MDA5 DERMATOMYOSITIS ... auricular papules Clinical ... Men • ~50% of cases ... vasculopathies • Proximal ... #rheumatology #
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Creatine Kinase - Causes ... immobility • Critical ... Subacute to Chronic Causes ... Inflammatory myopathy: dermatomyositis ... disorder, SLE • PROXIMAL
Nail Pathologies - Findings in or Near Nails

Paronychia 

A superficial infection of the proximal and lateral
the Fingers Clinically ... Local causes include ... Systemic causes ... curve of the cuticle ... Pathology #Diagnosis #Clinical
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... fever, fatigue, Nausea ... Urticaria #diagnosis #rheumatology ... #comparison #table
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
surrounding the third proximal ... Case description ... prior signs or clinical ... surgeon had a clinical ... diagnosis #msk #rheumatology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... : Polymyositis/Dermatomyositis ... Clinical Features ... per day until stable ... Diagnosis #Management #causes
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Discontinuation of causal ... 40, F:M 9:1 • Clinical ... sle #comparison #table ... #rheumatology #