Blocks for histology

The histology should represent the deepest extent of the tumour, the relationship to the laryngeal cartilages, mucosal and deep soft tissue margins and changes in adjacent tissues (Figure 15.4).

• at least one block of tumour per centimetre of maximum dimension.

• mucosal and deep surgical margins.

• both vocal cords (individually identified) even if normal.

• samples of other lesions, e.g., mucosal white areas.

• tracheostomy site (if present).

• perilaryngeal lymph nodes not part of the neck dissection.

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