14 results
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... cell surfaces causes ... causes development ... because T-Cell activation ... #Types #Classification
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... Differential Diagnosis Algorithm ... Hyperpigmentation #disorders ... #skin #dermatology ... #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Diffuse Congenital ... • Piebaldism Diffuse ... Hypopigmentation #disorders ... #skin #dermatology ... #causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... • Acne • Allergy ... Hodgkin's Lymphoma #Diffuse ... #Causes #Hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Mechanism of Action: Allergen-specific ... lgE causes mast-cell ... to complement activation ... #allergy #table ... #classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... Differential Diagnosis Algorithm ... are present • Classic ... lymphadenopathy more diffuse ... #Classification
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... are asthma, allergy ... #Eosinophil #Disorders ... #diagnosis #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... Non-lmmune #Anemia #Classification ... #Causes #Hematology
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Differential Diagnosis Algorithm ... Diffuse: • Tanning ... Hyperpigmentation #disorders ... #skin #dermatology ... #causes
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Eosinophilic GI Disorders ... pass = Primary Causes ... • Mast cell activation ... Differential #Diagnosis #hematology ... #allergy