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Related Experiment Videos

Focal splenic defects

M H Freeman, A K Tonkin

    Radiology
    |December 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Focal splenic defects on liver-spleen scans can indicate lymphoma, infarction, or metastatic tumors. Clinical presentation aids in diagnosis, with melanoma being a common secondary cause.

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    Area of Science:

    • Radiology
    • Diagnostic Imaging
    • Oncology

    Background:

    • Liver-spleen scintigraphy is a valuable tool for evaluating focal splenic defects.
    • Identifying the etiology of these defects is crucial for patient management.

    Purpose of the Study:

    • To categorize focal splenic defects identified on liver-spleen scans.
    • To correlate imaging findings with specific pathologies.
    • To present a differential diagnosis based on clinical presentation.

    Main Methods:

    • Retrospective review of over 2,000 liver-spleen scans.
    • Identification and categorization of 18 cases with focal splenic defects.

    Main Results:

    • Three primary categories of defects were identified: lymphoma, splenic infarction, and metastatic tumor.

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  • Reticulum cell carcinoma and Hodgkin's disease were equally likely to cause defects.
  • Splenic infarction was associated with pancreatic disease via the splenic vein.
  • Malignant melanoma was the most frequent secondary splenic deposit found on scans.

    • Conclusions:

    • Focal splenic defects on liver-spleen scans have distinct etiological categories.
    • Clinical presentation is key to differentiating between lymphoma, infarction, and metastasis.
    • Malignant melanoma is a significant cause of secondary splenic lesions detectable by scanning.