7 results
Tumor Lysis Syndrome (TLS) Pathophysiology
Culprits: ALL, Burkitt, SCLC
Cells all die at once = ↑Phos, ↓Ca, ↑K,
Tumor Lysis Syndrome ... (TLS) Pathophysiology ... #Lysis #Syndrome ... #TLS #Pathophysiology ... #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... high WBC count cause ... Lysis Syndrome: ... : Lysis of tumor ... #Lysis #Syndrome
Tumor lysis syndrome refers to the constellation of metabolic disturbances that occurs when large numbers of
Tumor lysis syndrome ... of neoplastic cells ... acutekidneyinjury #Pathophysiology ... #Presentation #TLS
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... Walid Malki, MD, MS ... wandering_er #Tumor ... #Lysis #Syndrome ... #TLS #oncology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Hyperviscosity Syndrome ... neutrophil count < 500 cells ... Superior Vena Cava Syndrome ... EMERGENCIES: Tumor ... Lysis Syndrome:
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
antibiotics TLS ... (tumor-lysis syndrome ... low Ca - q8 h TLS ... Treat underlying cause ... interventional radiology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... develop leukostasis syndrome ... Fibrinolysis & DIC • Tumor ... lysis syndrome: ... Leukemia #Hematology #Oncology