Head and neck tumors
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Clinically diagnosed with malignant tumors of the head and neck, admitted for surgical treatment. 2. With a clearly identified tumor location. 3. Patients who have undergone contrast-enhanced CT and MRI scans of the relevant areas. 4. Clinical and imaging examinations suggesting suspected enlarged lymph nodes. 5. Pathologically diagnosed as malignant tumors, without distant metastasis, and able to tolerate surgery.
Exclusion criteria
Exclusion criteria: 1. Patients who have undergone head and neck surgery or radiotherapy to the head and neck, and are not undergoing their first surgical treatment. 2. Tumors that are too large, with a diameter >4cm. 3. Presence of extensive artifacts in preoperative CT imaging that affect three-dimensional reconstruction. 4. Preoperative clinical diagnosis of malignant tumors, but with insufficient intraoperative pathological evidence to confirm malignancy. 5. Presence of systemic complications such as coagulation disorders and poor heart, liver, or kidney function that make the patient unable to tolerate surgery or that cannot be corrected.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lymph node volume;Lymph node diameter;Sensitivity;Specificity;Accuracy;Positive predictive value;Negative predictive value; | — |
Secondary
| Measure | Time frame |
|---|---|
| Lymph node location;Number of positive lymph nodes;Volume of the primary lesion; | — |
Countries
China
Contacts
The Affiliated Hospital of Xuzhou Medical University