Retrospective observational study on the extent of invasion in cervical lymph node extravasation cases of oral squamous cell carcinoma

Retrospective observational study on the extent of invasion in cervical lymph node extravasation cases of oral squamous cell carcinoma - Observational study of cervical extranodal invasion in oral squamous cell carcinoma

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000052150

Enrollment

Registered

2023-09-08

Start date

2023-09-08

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Oral cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Cases treated for oral squamous cell carcinoma at Nagasaki University Hospital Oral and Oral Surgery from January 1, 2004 to March 31, 2022 2. Histopathologically it is squamous cell carcinoma. 3. Histopathological findings include metastatic lymph nodes (with or without extranodal invasion). 4. Cases in which primary tumor resection and neck dissection were performed as initial treatment.

Exclusion criteria

Exclusion criteria: 1. Cases treated with preoperative chemotherapy. 2. Cases in which information on treatment details, histopathological findings, and prognosis cannot be obtained from medical records.

Design outcomes

Primary

Measure	Time frame
Number of days from treatment start date to event occurrence, with tumor extent and death as events	—

Secondary

Measure	Time frame
Number of days from the start of treatment to event occurrence, with tumor occupying metastatic lymph nodes and death as events	—

Countries

Japan

Contacts

Public ContactTOMOFUMI NARUSE

Nagasaki university Department of Clinical Oral Oncology

natsuaya1023@yahoo.co.jp+81958197698

Outcome results