20 results
Classification of Tumor Lysis Syndrome (TLS) and Treatment of Metabolic Abnormalities of TLS
Laboratory TLS:
 • Uric
Classification of Tumor ... Lysis Syndrome ... (TLS) and Treatment ... 8.0 mg/dL • Potassium ... Treatment of TLS
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology of Tumor ... Lysis Syndrome ... (TLS) Tumor Cell ... Lysis -> Release ... -> Allantoin (High
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... Renin secreting tumor ... #urine #potassium
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... ≥ 8 mg/dL • Potassium ... of the above Treatment ... #Tumor #Lysis # ... #management #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Lysis Syndrome ... Lysis Syndrome: ... values: Elevated K, ... hydration - Hyperkalemia ... #Lysis #Syndrome
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... due to cell lysis ... Transfusion reaction - Tumor ... lysis syndrome
Tumor Lysis Syndrome (TLS) Pathophysiology
Culprits: ALL, Burkitt, SCLC
Cells all die at once = ↑Phos, ↓Ca, ↑K,
Tumor Lysis Syndrome ... (TLS) Pathophysiology ... = ↑Phos, ↓Ca, ↑K, ... #Lysis #Syndrome ... #oncology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... extracellular K+ ... Rhabdomyolysis • Tumor ... lysis syndrome ... glycosides • High
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... ) occur in high ... malignancies Treatments ... #Lysis #Syndrome ... #TLS #oncology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... Intracellular Shift ... due to cell lysis ... Transfusion reaction - Tumor ... lysis syndrome