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

What?
A subset of
Macrophage Activation ... manifestations: from easy bruising ... erythematosus [SLE ... with leukopenia, anemia ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia ... Chronic B-cell activation
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... or Easy Bruising ... (systemic lupus ... - Bernard—Soulier ... #Causes #peds #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... ANAs RF test should ... the presence of anemia ... diagnosis #testing #Rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
ALL: mediastinal mass ... -> AML: Blast crises ... PLT: Petechiae, bruising ... - infiltrates (anemia ... #Leukemia #Hematology
Polymyalgia Rheumatica (PMR) Diagnosis and Management Summary

WHAT?
 • Polymyalgia rheumatica (PMR) is a common systemic inflammatory
disease of unknown cause ... motion in the shoulders ... describe difficulty rising ... • Normocytic anemia ... Diagnosis #Management #Rheumatology