13 results
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... Weakness, Incr CK • Bone ... Myopathy (Also caused ... #Complications ... pathophysiology #signs
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... other orthopedic complications ... XR, MRI to dx and ... • Hematogenous ... #hematology
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
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... hair follicles -> causes ... #SLE #Mucocutaneous ... pathophysiology #diagnosis #signs ... #symptoms #complications
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
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... erythematosus ... SJIA], systemic lupus ... erythematosus [ ... SLE], AOSD) • Infection
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
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Disease: Discoid lupus ... erythematosus, ... erythematosus, ... Examination: • Signs ... Differential #Diagnosis #dermatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
non-Hodgkin lymphoma SLL ... Physical Exam/Signs ... kinase (BTK) Complications ... Warm AIHA • Bone ... leukemia • GI complications
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