21 results
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... T-cell mediated, delayed-type ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology ... #Rash #Skin
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme: skin ... eruption secondary to allergic ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
associated with allergic ... medication (in this case ... Images #Clinical #Dermatology ... #SkinRash #DRESS
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
associated with allergic ... medication (in this case ... Images #Clinical #Dermatology ... #SkinRash #DRESS
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Pressure - Small, dilated ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... anyone - Allergic ... - Delayed onset ... #Eczematous #SkinRash ... #dermatology #Differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... eosinophilia (common causes ... are asthma, allergy ... symptoms (eg, skin ... Differential #diagnosis #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
released during an allergic ... Statistical error/delay ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
= Chronic & Rx-related ... : • Rx-related ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology ... #allergy
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Cellulitis: Deep skin ... antibiotics and avoid allergic ... Inflammatory Causes ... #dermatology #skin