Pediatric Tumor Lysis Syndrome Clinical Presentation

  • Author: Alan K Ikeda, MD; Chief Editor: Max J Coppes, MD, PhD, MBA   more...
 
Updated: Jul 30, 2010
 

History

Pertinent historic information in tumor lysis syndrome (TLS) should include the following:

  • Time of onset of symptoms of malignancy
  • Abdominal pain and distension
  • Urinary symptoms, such as dysuria, oliguria, flank pain, and hematuria
  • Occurrence of any symptoms of hypocalcemia, such as anorexia, vomiting, cramps, seizures, spasms, altered mental status, and tetany
  • Symptoms of hyperkalemia, such as weakness and paralysis
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Physical

Symptoms reflect the severity of underlying metabolic abnormalities.

  • Hyperkalemia can cause paresthesia, weakness, and fatal cardiac arrhythmias.
  • Uremia can manifest as fatigue, weakness, malaise, nausea, vomiting, anorexia, metallic taste, hiccups, neuromuscular irritability, difficulty concentrating, pruritus, restless legs, and ecchymoses. As uremia progresses, paresthesia and evidence of pericarditis may develop, as well as signs of drug toxicity for administered medications eliminated by the kidney. Features of volume overload, such as dyspnea, pulmonary rales, edema, and hypertension, may develop.
  • Elevated uric acid levels may present with lethargy, nausea, and vomiting. Rapidly increasing uric acid levels may lead to arthralgia and renal colic.
  • Patients with hypocalcemia may present with carpopedal spasms, tetany with positive Chvostek and Trousseau signs, seizures, anxiety, bronchospasm, and cardiac arrest in extreme cases. Deposition of calcium phosphate in various tissues may be responsible for pruritus, gangrenous changes of the skin, iritis, and arthritis.
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Causes

  • Tumor lysis syndrome occurs most often in patients with acute leukemia with high WBC counts and in those with high-grade lymphomas in response to aggressive treatment. Tumor lysis syndrome may also occur in other hematologic malignancies and in various solid tumors. It has been reported to occur spontaneously, prior to any form of therapy.
  • Those at highest risk have bulky, rapidly proliferating tumors that are sensitive to treatment. An elevated pretreatment lactate dehydrogenase (LDH) level, which correlates with high tumor volume, is a strong indicator for developing clinically significant complications of therapy. Presence of renal insufficiency prior to therapy is also correlated with an increased likelihood of tumor lysis syndrome.
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Contributor Information and Disclosures
Author

Alan K Ikeda, MD  Assistant Professor, Department of Pediatrics, Division of Hematology and Oncology, David Geffen School of Medicine at UCLA; Associate Director of Pediatric Blood and Marrow Transplantation, Mattel Children's Hospital

Alan K Ikeda, MD is a member of the following medical societies: American Academy of Pediatrics, American Society for Blood and Marrow Transplantation, and American Society of Pediatric Hematology/Oncology

Disclosure: emedicine Honoraria author

Coauthor(s)

Kathleen M Sakamoto, MD, PhD  Professor and Chief, Division of Hematology-Oncology, Vice-Chair of Research, Mattel Children's Hospital at UCLA; Co-Associate Program Director of the Signal Transduction Program Area, Jonsson Comprehensive Cancer Center, California Nanosystems Institute and Molecular Biology Institute, University of California, Los Angeles, David Geffen School of Medicine

Kathleen M Sakamoto, MD, PhD is a member of the following medical societies: American Society of Hematology, American Society of Pediatric Hematology/Oncology, International Society for Experimental Hematology, Society for Pediatric Research, and Western Society for Pediatric Research

Disclosure: Nothing to disclose.

Koyamangalath Krishnan, MD, FRCP, FACP  Paul Dishner Endowed Chair of Excellence in Medicine, Professor of Medicine and Chief of Hematology-Oncology, James H Quillen College of Medicine at East Tennessee State University

Koyamangalath Krishnan, MD, FRCP, FACP is a member of the following medical societies: Alpha Omega Alpha, American College of Physicians-American Society of Internal Medicine, American Society of Hematology, and Royal College of Physicians

Disclosure: Nothing to disclose.

Amit P Sarnaik, MD  Staff Physician, Department of Pediatrics, Wayne State University and Children's Hospital of Michigan

Amit P Sarnaik, MD is a member of the following medical societies: American Academy of Pediatrics

Disclosure: Nothing to disclose.

Specialty Editor Board

Stephan A Grupp, MD, PhD  Director, Stem Cell Biology Program, Department of Pediatrics, Division of Oncology, Children's Hospital of Philadelphia; Associate Professor of Pediatrics, University of Pennsylvania School of Medicine

Stephan A Grupp, MD, PhD is a member of the following medical societies: American Association for Cancer Research, American Society for Blood and Marrow Transplantation, American Society of Hematology, American Society of Pediatric Hematology/Oncology, and Society for Pediatric Research

Disclosure: Nothing to disclose.

Mary L Windle, PharmD  Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Steven K Bergstrom, MD  Department of Pediatrics, Division of Hematology-Oncology, Kaiser Permanente Medical Center of Oakland

Steven K Bergstrom, MD is a member of the following medical societies: Alpha Omega Alpha, American Society of Clinical Oncology, American Society of Hematology, American Society of Pediatric Hematology/Oncology, Children's Oncology Group, and International Society for Experimental Hematology

Disclosure: Nothing to disclose.

Helen SL Chan, MBBS, FRCP(C), FAAP  Senior Scientist, Research Institute; Professor, Division of Hematology/Oncology, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Canada

Helen SL Chan, MBBS, FRCP(C), FAAP is a member of the following medical societies: American Academy of Pediatrics, American Association for Cancer Research, American Society of Hematology, and Royal College of Physicians and Surgeons of Canada

Disclosure: Nothing to disclose.

Chief Editor

Max J Coppes, MD, PhD, MBA  Senior Vice President, Center for Cancer and Blood Disorders, Children's National Medical Center; Professor of Medicine, Oncology, and Pediatrics, Georgetown University School of Medicine; Clinical Professor of Pediatrics, George Washington University School of Medicine and Health Sciences

Max J Coppes, MD, PhD, MBA is a member of the following medical societies: American Association for Cancer Research, American Society of Pediatric Hematology/Oncology, and Society for Pediatric Research

Disclosure: Nothing to disclose.

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