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Abstract

Objective

Nodal metastasis from oral tongue squamous cell carcinoma follows a predictable pattern. Isolated level IV involvement, termed skip metastases, is described. This study attempts to identify the incidence of skip metastasis.

Study Design

Case series with chart review.

Setting

Tertiary academic hospital.

Subjects

Fifty-two consecutive patients with T1 to T4 N0 stage who underwent excision of the primary tumor with neck dissection (levels I-IV).

Methods

Retrospective study. The incidence of isolated level III or IV involvement pathologically and isolated nodal recurrence in levels III and IV was analyzed.

Results

Pathologically, isolated level III involvement occurred in 2 (3.8%) patients. Isolated level IV occurred in 1 (1.9%) patient. Mean follow-up was 24 months. Two patients had recurrence in the primary site; 1 had recurrence in neck level II. None had recurrence in level III or IV.

Conclusion

Skip metastasis is rare in T1 and T2 oral tongue squamous cell carcinoma. Inclusion of level IV is not mandatory in selective neck dissection for clinically and radiologically negative neck disease in early tumors (T1 and T2).

Keywords

head and neck cancer tongue cancer skip metastasis neck dissection neck metastasis

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