17 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... Schönlein purpura • PAN ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... Matthew Ho, MD PhD ... Diagnosis #Algorithm #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Systemic Lupus Erythematosus ... Demyelinating Syndrome ... Lumbar Puncture, EEG ... Treatment: ... CNS #neurology #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Systemic lupus erythematosus ... SLE], AOSD) • Infection ... Treatment: • Corticosteroids ... Diagnosis #Management #Hematology ... #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... fibromyalgia) • Infections ... • Malignancy (e.g ... Endocrine disorders (e.g ... #Diagnosis #Rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
drug reaction, infection ... glucocorticoid treatment ... organ-specific signs ... or symptoms (eg ... Differential #diagnosis #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
WBC >100k, + lab signs ... organ damage • Treatment ... Low calcium • Treatment ... unless worrisome EKG ... diagnosis #management #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... Diagnosis: HLH signs ... • Bicytopenia Treatment ... diagnosis #management #treatment ... #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Triggers: ATRA treatment ... Prednisone 5mg/kg ... Renal Failure Treatment ... diagnosis #management #hematology
Diagnostic Criteria for Sweet Syndrome (Acute Febrile Neutrophilic Dermatosis)
Major criteria 
 1. Abrupt onset of tender
Criteria for Sweet Syndrome ... onset of tender erythematous ... Excellent response to treatment ... Criteria #Diagnosis #Hematology ... #Dermatology