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Granulocytic sarcoma: three unusual patients.

R G Gittin1, W B Scharfman, P T Burkart

  • 1Department of Medicine, Albany Medical College, New York 12208.

The American Journal of Medicine
|September 1, 1989
PubMed
Summary

Granulocytic sarcoma, a tumor of immature myeloid cells, can manifest unusually in patients, presenting with symptoms like enlarged lymph nodes or bone lesions. Early recognition of these extramedullary myeloblastic lesions is crucial for patient management.

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Area of Science:

  • Hematology
  • Oncology
  • Pathology

Background:

  • Granulocytic sarcoma (GS) is a tumor composed of immature myeloid cells.
  • GS can occur independently or in association with acute or chronic granulocytic leukemia.
  • It commonly affects the skin, soft tissues, lymph nodes, bone, and periosteum.

Observation:

  • Three unusual cases of granulocytic sarcoma are presented.
  • Case 1: Massive adenopathy.
  • Case 2: Bone lesions and pathologic fracture.
  • Case 3: Diffuse skin lesions with myeloblast infiltration in a patient with myelodysplasia.

Findings:

  • These diverse presentations highlight the varied clinical manifestations of granulocytic sarcoma.
  • Lesions can precede overt leukemia or appear during its course, often signaling blastic transformation.

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  • Radiotherapy and systemic chemotherapy offer palliative benefits but do not alter the generally short survival post-lesion appearance.

    • Implications:

    • Early diagnosis of granulocytic sarcoma is vital for appropriate patient management.
    • Understanding these unusual presentations can improve diagnostic accuracy.
    • Further research may lead to improved therapeutic strategies for extramedullary myeloblastic lesions.