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Related Experiment Videos

Intrarenal chloroma causing obstructive nephropathy: CT characteristics.

E Breatnach, R J Stanley, J T Carpenter

    Journal of Computer Assisted Tomography
    |July 1, 1985
    PubMed
    Summary

    A rare granulocytic sarcoma (chloroma) caused kidney obstruction in a patient. This tumor, appearing in the urinary system during leukemia remission, requires consideration in collecting system tumor diagnoses.

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    Area of Science:

    • Nephrology
    • Oncology
    • Hematology

    Background:

    • Granulocytic sarcoma, also known as chloroma, is a rare tumor mass of immature myeloid cells.
    • It typically occurs in patients with acute myeloid leukemia but can precede or follow the diagnosis.
    • Tumors arising within the urinary system are exceptionally rare.

    Observation:

    • A patient with a history of leukemia presented with unilateral obstructive nephropathy.
    • Imaging revealed a mass within the renal pelvis causing obstruction.
    • The mass was diagnosed as a granulocytic sarcoma.

    Findings:

    • This case represents the first reported instance of granulocytic sarcoma arising within the renal pelvis.
    • The tumor occurred during a period of induced remission of the patient's leukemia.

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  • The patient had no other signs of active leukemia at the time of presentation.

    • Implications:

    • Granulocytic sarcoma should be included in the differential diagnosis of renal pelvis tumors, especially in patients with a history of leukemia.
    • Early consideration is crucial as recommended therapy is typically non-surgical.
    • This finding expands the known spectrum of granulocytic sarcoma manifestations and its potential occurrence during leukemia remission.