24 results
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Systemic Findings in Dermatomyositis ... Interstitial lung disease ... tract - Cardiac disease ... #Dermatomyositis ... #Diagnosis #Rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung diseases ... DM/PM : dermatomyositis ... LungDisease #CTILD #Diagnosis ... #Differential # ... Table #Pulmonary #Rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Seborrhea • Dermatomyositis ... migrans • Lyme disease ... #skin #rashes #differential ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology ... #diagnosis #differential
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Scapholunate ligament ... Terry thomas sign ... Kienboch disease ... Radiology #Wrist #differential ... #diagnosis
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Lymphadenopathy - Differential ... Diagnosis Algorithm ... Thyroid / larynx disease ... • Auto-immune: Dermatomyositis ... Anti-epileptic drugs (AEDs
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease ... Shellfish poisoning, Meds ... , Polymyositis/dermatomyositis ... Weakness #Causes #differential ... #diagnosis #neurology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... severity of the disease ... #rheumatology # ... dermatology #diagnosis
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies Dermatomyositis ... heliotrope, shawl sign ... Inflammatory #Myopathies #differential ... #diagnosis #comparison ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
ANA ≠ Autoimmune Disease ... , Polymyositis/Dermatomyositis ... • Rheumatic Diseases ... ANA #patterns #rheumatology ... #diagnosis #differential