12 results
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... (SLE): Musculoskeletal ... Myopathy (Also caused ... #Complications ... pathophysiology #signs
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
erythematosus ... • Discoid lupus ... erythematosus ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... inflammation onto hair ... follicles -> causes ... pathophysiology #diagnosis #signs ... #symptoms #complications
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... erythematosus ... in drug-induced SLE ... #Antinuclear #Antibody
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Disease: Discoid lupus ... erythematosus, ... erythematosus, ... Examination: • Signs ... Differential #Diagnosis #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Auspitz sign, Koebner's ... soles • Discoid Lupus ... Erythematous - ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
other orthopedic complications ... XR, MRI to dx and ... dz difficult to see ... • Hematogenous ... #hematology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... pain • Extra-CNS complications ... disorders (Systemic lupus ... erythematosus, ... neurology #symptoms #signs
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Irreversible-biopsy required • Lupus ... erythematosus ... totalis (all scalp and ... HairLoss #Alopecia #dermatology ... Diagnosis #Algorithm #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... such as systemic lupus ... erythematosus, ... purpura: strong sign ... SLE) • Urinalysis