16 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... signs and symptoms ... Low or absent NK cell ... • Bicytopenia Treatment ... #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... ITP • SLE • CLL ... Alloimmune • anti-HLA ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
with no early symptoms ... Physical Exam/Signs ... microglobulin Treatment ... • Richter’s Syndrome ... workup #oncology #hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... megaloblastic anemia Treatment ... Consider stem cell ... #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... 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
Dehydration • Symptoms ... changes, stroke symptoms ... WBC >100k, + lab signs ... organ damage • Treatment ... diagnosis #management #hematology
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
When present, symptoms ... , signs, and complications ... • "Vasomotor" symptoms ... • Treatment algorithms ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
hyperinflammatory syndrome ... with the HLH syndrome ... Presentation • Common Signs ... and Symptoms: ... Diagnosis #Management #Hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... pattern of spread, B symptoms ... Responsive to Treatment ... pathophysiology #Hematology ... #differential #algorithm
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
common in Asia • HLA-B51 ... meningitis), MCC CNS symptoms ... Arthritis, AS Treatment ... diagnosis #management #signs ... #symptoms #rheumatology