5885 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Seborrhea • Dermatomyositis ... Heliotrope • Dermatomyositis ... or plaques • Dermatomyositis ... #differential #diagnosis
Myositis and Myopathies
#ESR #CK #Differential diagnosis of myopathy 
#Inflammatory #myopathies	#Dermatomyositis	
#muscle weakness
#Polymyositis	
#Inclusion body myositis
#Polymyalgia rheumatica	
#Fibromyalgia	
#Hypothyroid myopathy	
#Muscle stiffness
#Drug-induced
#Differential diagnosis ... Inflammatory #myopathies #Dermatomyositis
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Systemic Findings in Dermatomyositis ... Findings #Signs #Dermatomyositis ... #Diagnosis #Rheumatology
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
- Differential Diagnosis ... Polymyositis, Dermatomyositis ... #Differential #Diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
ANTI-MDA5 DERMATOMYOSITIS ... Features of Anti-MDA5 Dermatomyositis ... Association of Anti-MDA5 Dermatomyositis ... AntiMDA5DM #AntiMDA5 #Dermatomyositis ... #dermatology #diagnosis
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
Polymyositis & Dermatomyositis ... #differential #diagnosis
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 ... MSAs #clinical #diagnosis
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
- Differential Diagnosis ... Porphyria • Dermatomyositis ... #Differential #Diagnosis
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
- Differential Diagnosis ... • Auto-immune: Dermatomyositis ... #Differential #Diagnosis
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential Diagnosis ... , Sarcoidosis, Dermatomyositis ... #Differential #Diagnosis