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Related Experiment Videos

Dual-angled CT-guided biopsy

S Hussain1, R S Santos-Ocampo, S G Silverman

  • 1Department of Radiology, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115.

Abdominal Imaging
|May 1, 1994
PubMed
Summary
This summary is machine-generated.

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A novel dual angulation technique for computed tomographic (CT)-guided biopsies allows access to difficult-to-reach lesions. This method successfully retrieved diagnostic tissue from pelvic and retroperitoneal masses without complications.

Area of Science:

  • Radiology
  • Interventional Radiology
  • Medical Imaging

Background:

  • Conventional computed tomographic (CT)-guided biopsy techniques have limitations in accessing certain deep-seated or complex-positioned lesions.
  • Lesions in the pelvis and retroperitoneum often pose challenges due to anatomical constraints, limiting conventional biopsy approaches.

Observation:

  • A new CT-guided biopsy technique involving simultaneous angling of the CT gantry and the patient (dual angulation) was developed.
  • This dual angulation approach was applied to five patients with masses in the pelvis and retroperitoneum previously deemed difficult to access.

Findings:

  • The dual angulation technique successfully enabled needle-guided access to the target lesions in all five patients.
  • Diagnostic tissue samples were retrieved, and the needle tip was clearly visualized within the lesion.

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  • No complications were reported during or after the biopsy procedures.

    • Implications:

    • Dual angulation offers a viable and safe method for biopsies of previously inaccessible lesions, expanding the utility of CT guidance.
    • This technique enhances diagnostic capabilities in challenging anatomical locations, potentially improving patient management and treatment planning.
    • The ability to obtain CT images in the plane of the biopsy needle facilitates precise targeting and safe trajectory planning.