25 results
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Idiopathic Inflammatory ... Antisynthetase Syndrome ... Inclusion Body Myositis ... TerrierBen #Inflammatory ... Managment #algorithm #Rheumatology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific ... TIF1y, NXP2, Mi-2, SAE ... Anti-Synthetase Syndrome ... Inclusion Body Myositis ... clinical #diagnosis #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... heliotrope rash, Shaw sign ... , holster sign, ... anti-synthetase syndrome ... #diagnosis #rheumatology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... spinal cord • Inflammatory ... Paraneoplastic syndrome ... • Inflammatory ... Lack of UMN/LMN signs
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... heliotrope, shawl sign ... Necrotizing Autoimmune Myositis ... Inclusion Body Myositis ... diagnosis #comparison #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Demyelinating syndromes ... Glomerulonephritis Myositis ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Idiopathic Inflammatory ... • Overlap Myositis ... antisynthetase syndrome ... Inclusion body myositis ... IIMs #diagnosis #rheumatology
Keratoconus: Pathogenesis and Clinical Findings
Genetics
 • Family history of keratoconus
 • Ehlers-Danlos syndrome
 • Down, Turner,
Ehlers-Danlos syndrome ... Turner, Marfan syndromes ... inhibitors • Incr Pro-inflammatory ... • Rizutti's Sign ... #Keratoconus #pathophysiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... : • Pathophysiology ... diagnosis #management #hematology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis ... Overview Focal inflammatory ... monophasic Pathophysiology ... • Bilateral signs ... Post Vaccine • Inflammatory