99 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
mediated; exposure to allergen ... causes development ... of allergen-specific ... Allergic reaction ... Stevens-Johnson Syndrome
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Systemic Signs (DRESS Syndrome ... associated with allergic ... medication (in this case ... Images #Clinical #Dermatology ... SkinRash #DRESS #Syndrome
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Systemic Signs (DRESS Syndrome ... associated with allergic ... medication (in this case ... Images #Clinical #Dermatology ... SkinRash #DRESS #Syndrome
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
Acute Retroviral Syndrome ... Diffuse viral syndromes ... Noninfectious: • Allergic ... PFAPA, Behcet syndrome ... Differential #Diagnosis #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... Allergies): - Allergic ... Rhinitis - Allergic ... Hypereosinophilic Syndrome ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Acne • Allergy ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
of lgE Abs that bind ... leading to an allergic ... cell surfaces causes ... leading to an allergic ... causes development
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... antibiotics and avoid allergic ... Angioedema • Sweet syndrome ... • Compartment syndrome ... #dermatology #skin