Peritumoral Microbubbles and CEUS for SLN Detection and Biopsy in HNSCC

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

70 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-20

Study Completion Date

2026-06-28

Brief Summary

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Head and neck squamous cell carcinoma is the sixth most common malignant tumor in the world. Cervical lymph node metastasis is frequently encounted on the date of diagnosis. Surgical resection is one of the most important treatment methods for head and neck squamous cell carcinoma with or without lymph node metastasis. At present, for cN0 patients, prophylactic neck dissection is recommended for squamous cell carcinoma originating in suprglottic, hypopharyngeal and oropharyngeal areas et al. Related studies reported that less than 30% of patients with cN0 were confirmed to have lymph node metastasis in postoperative pathological examination, who underwent neck dissection. Unnecessary neck dissection may increase complication incidence, such as neurovascular injury, chylous leakage, sialosyrinx. Accurate preoperative assessment is helpful to reduce unnecessary neck dissection. Sentinel lymph node biopsy were proved to be effective in reducing prophylactic lymph node dissection in breast cancer, melanoma and other malignant tumors. Compared with γ probe detection and indolyanine green injection, microbubble and contrast-enhanced ultrasound has no radiation and disturbance to resection margins in sentinel lymph nodes detection. Furthermore, surgeons could conduct lymph node puncture biopsy simultaneously under ultrasound guidance, which can further minimize surgical trauma. At present, the role of microbubble and contrast-enhanced ultrasound in sentinel lymph node detection and biopsy is rarely reported in head and neck squamous cell carcinoma. This study aims to explore the accuracy of peritumoral microbubbles and contrast-enhanced ultrasound for sentinel lymph nodes biopsy in predicting cervical lymph node metastasis in head and neck squamous cell carcinoma.

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Detailed Description

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Conditions

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Sentinel Lymph Node Head and Neck Squamous Cell Carcinoma

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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CEUS

Group Type EXPERIMENTAL

peritumoral microbubbles and contrast-enhanced ultrasonography

Intervention Type DIAGNOSTIC_TEST

Inject 1ml microbubbles around the tumors. Then detect lymph vessel and lymph nodes under contrast-enhanced ultrasonography.

Interventions

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peritumoral microbubbles and contrast-enhanced ultrasonography

Inject 1ml microbubbles around the tumors. Then detect lymph vessel and lymph nodes under contrast-enhanced ultrasonography.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* Aged 18-70;
* Pathological biopsy indicated head and neck squamous cell carcinoma;
* MR/CT examination indicate no suspected cervical lymph node metastasis;
* The patient intent to perform primary focal resection and unilateral/bilateral neck dissection at our center;
* agree to participate in clinical trials and sign informed consent.

Exclusion Criteria

* allergic to microbubbles contrast agents;
* patients who cannot tolerate surgery;
* enlarged cervical lymph node in palpation or suspected cervical lymph node metastasis indicated in MR/CT examination;
* distant metastasis.

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No