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Several special techniques can be fruitfully used but only in well defined cases by pathologists familiar with them and after a discussion with the clinician and the surgeon.

几种特殊技术可以有效地应用，但前提是要由熟悉这些技术的病理学家在与临床医生和外科医生讨论后，仅在明确界定的病例中使用。

Several special techniques can be fruitfully used but only in well defined cases by pathologists familiar with them and after a discussion with the clinician and the surgeon.