10 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Classified among the secondary ... (CNS) dysfunction ... Petechial or purpuric rash ... #Management #Hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Primary Causes ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #dermatology #Differential ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... • Nephrotic syndrome ... #Secondary #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
into a 4-pass system ... pass = Dangerous secondary ... • Mast cell activation ... syndrome • Mastocytosis ... Differential #Diagnosis #hematology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Secondary to venous ... pigmentation, edema ... Eczematous #SkinRash #dermatology ... #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Malignancy (e.g. hematologic ... lower extremity edema ... • May involve PNS ... Chronic B-cell activation
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Eosinophilia and Systemic ... extensive skin rash ... • Facial Edema ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Myelodisplastic syndrome ... #Pruritus #secondary ... #systemic #generalized ... #dermatology #Differential ... #causes
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... frequently affected systems ... Better call hematology ... JAK2 V617F) and MPNs ... #workup #hematology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
caused by uncontrolled ... activation of the ... immune system ... STX11, STXBP2 • Secondary ... Diagnosis #Management #Hematology