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Ultrasound-Guided Photoacoustic Imaging for the Detection of Metastases in Inguinal Lymph Nodes

2019-12-07 00:56:41 | BioPortfolio

Summary

This early phase I trial studies how well ultrasound-guided photoacoustic imaging works in telling the difference between healthy and cancerous inguinal (groin) lymph nodes and how well it can detect certain features of lymph nodes, including size and shape in patients with cancer. Ultrasound-guided photoacoustic is a non-invasive imaging method that can detect and display characteristics of lymph nodes based on the level of oxygen in the cells. This imaging method may provide more accurate tumor staging and prevent unnecessary surgical interventions.

Description

PRIMARY OBJECTIVE:

I. To estimate the mean difference in oxygen saturation (%sO2) between healthy and malignant inguinal lymph nodes using ultrasound-guided photoacoustic imaging (PAI) in cancer patients.

SECONDARY OBJECTIVE:

I. To examine the role of ultrasound-guided PAI in detecting metastases in the inguinal lymph nodes and ultrasound features of lymph nodes such as the size, shape of the lymph nodes.

OUTLINE:

Patients undergo standard of care ultrasound of the lymph nodes, then undergo ultrasound-guided PAI over 3-5 minutes. Patients then undergo standard of care ultrasound-guided fine needle aspiration (FNA) or biopsy a suspicious lymph node.

After completion of study, patients are followed up for 3 months.

Study Design

Conditions

Malignant Neoplasm

Intervention

Fine-Needle Aspiration, Lymph Node Biopsy, Photoacoustic Imaging, Ultrasound

Location

M D Anderson Cancer Center
Houston
Texas
United States
77030

Status

Not yet recruiting

Source

M.D. Anderson Cancer Center

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-12-07T00:56:41-0500

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Medical and Biotech [MESH] Definitions

Conducting a fine needle biopsy with the aid of ENDOSCOPIC ULTRASONOGRAPHY.

First lymph node to receive drainage from the primary tumor. SENTINEL LYMPH NODE BIOPSY is performed to determine early METASTASIS status because cancer cells may appear first in the sentinel node.

A diagnostic procedure used to determine whether LYMPHATIC METASTASIS has occurred. The sentinel lymph node is the first lymph node to receive drainage from a neoplasm.

The use of ultrasound to guide minimally invasive surgical procedures such as needle ASPIRATION BIOPSY; DRAINAGE; etc. Its widest application is intravascular ultrasound imaging but it is useful also in urology and intra-abdominal conditions.

Using fine needles (finer than 22-gauge) to remove tissue or fluid specimens from the living body for examination in the pathology laboratory and for disease diagnosis.

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