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The value of single versus multiple sections for detection of lymph node metastasis
S Shingaki1, K Ohtake, T Nomura
1First Department of Oral and Maxillofacial Surgery, School of Dentistry, Niigata University, Japan.
Summary
Serial sectioning of lymph nodes offers minimal benefit for detecting cervical metastasis. Routine examination of one section per node is largely sufficient for identifying metastatic involvement in neck dissection specimens.
Area of Science:
- Oncology
- Surgical Pathology
- Head and Neck Surgery
Background:
- Accurate staging of cervical cancer relies on identifying lymph node metastasis.
- Routine histopathological examination of lymph nodes is standard practice.
- The efficacy of serial sectioning for enhancing metastasis detection requires evaluation.
Purpose of the Study:
- To assess the diagnostic value of serial sectioning in examining cervical lymph nodes for metastasis.
- To compare the detection rates of metastasis using routine single-section examination versus serial sectioning.
Main Methods:
- 802 lymph nodes from 51 neck dissection specimens were analyzed.
- Initial assessment used the routine method: examination of one section per node.
- Nodes initially negative for metastasis were subsequently examined using serial sectioning.
Main Results:
- Routine examination identified 40 lymph nodes with metastatic involvement.
- Serial sectioning of the remaining 716 nodes revealed only two additional positive nodes.
- The incremental yield of serial sectioning was minimal.
Conclusions:
- Serial sectioning of lymph nodes does not significantly improve the detection of cervical metastasis.
- Routine single-section examination is an effective method for identifying lymph node metastasis in these specimens.
- Further investigation into more sensitive diagnostic techniques may be warranted.