3192 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... • Nonmalignant hematologic ... post-splenectomy, Exercise, Allergic ... Thrombocytosis #Platelets #Differential
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... • Acne • Allergy ... Pancytopenia, WBC differential ... Lymphadenopathy #LAD #Differential ... Algorithm #Causes #Hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Eosinophilia - Differential ... Allergies): - Allergic ... Rhinitis - Allergic ... #Eosinophilia #Differential ... Diagnosis #Causes #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Elevated Tryptase - Differential ... Mastocytosis • Other hematologic ... #Tryptase #Differential ... #Diagnosis #hematology ... #allergy
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia - Differential ... hypereosinophilia > 1500): Allergic ... Leukocytosis #Leukopenia #Differential ... Diagnosis #causes #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
causes are asthma, allergy ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... released during an allergic ... #Basophilia #Differential ... Diagnosis #causes #hematology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
Secondary Causes: - Allergic ... eosinophilia #diagnosis #hematology ... #differential #
Allergic Contact Dermatitis 
- Erythematous, indurated, scaly plaques 
- T-cell mediated, delayed-type hypersensitivity response to exogenous
Allergic Contact ... Contact #Dermatitis #Allergic ... #Allergy #Dermatology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... Sensitization" to Allergen ... Initial exposure to allergen ... after clearance of allergen ... • Hay fever (allergic