22 results
Hypersensitivity: Summary
Type I Hypersensitivity:
 • Immunological Mediator: lgE
 • Immunological Target: Allergen Molecules
 • Ex: Antibiotic
Gravis, Graves' Disease ... Type III Hypersensitivity ... • Ex: Systemic Lupus ... Stevens-Johnson Syndrome ... , Contact Dermatitis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... during hemolytic disease ... , and systemic lupus ... - Contact dermatitis ... Pathophysiology #Allergy #Diagnosis
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... #Systemic #Lupus ... #Summary #diagnosis ... #rheumatology #management
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... : - 10% SLE or ... Labs/Diagnosis: ... vasculitis • Hypersensitivity ... (e.g. systemic lupus
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Palpable purpura • Hypersensitivity ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... #differential #diagnosis
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... Demyelinating Syndrome ... Cerebrovascular Disease ... #CNS #neurology ... #management #treatment
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... • Type-I Interferonopathies ... : Drug induced SLE ... Erythematosus #Diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... Pigmented Purpuric Dermatosis ... Vasculitis: • Hypersensitivity ... Associated - SLE
Facial Swelling - Differential Diagnosis Framework for Facial Edema

Infectious:
	• Dental abscess
	• Ludwig's angina
	• Vincent's angina
	• Cellulitis
	•
- Differential Diagnosis ... Autoimmune: • SLE ... Adult-onset Still's disease ... Hypersensitivity ... NEAE) • Contact dermatitis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
febrile neutrophilic dermatosis ... with systemic disease ... such as certain types ... - Lupus - Leukemia ... cutis Diagnosis