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New techniques and tumor nomenclature.

¹Division of Gastrointestinal Pathology, Armed Forces Institute of Pathology, Washington, DC 20306-6000.

APMIS. Supplementum

|January 1, 1991

Summary

New pathology techniques impact tumor nomenclature, creating new terms. Pathologists must balance novel concepts with standardized terminology for consistent diagnostic reporting.

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Area of Science:

Pathology
Oncology
Medical Terminology

Background:

Advancements in pathology, such as electron microscopy, introduce new concepts and terminology for tumors.
Pathologists face challenges in updating tumor nomenclature to reflect new findings while maintaining diagnostic consistency.
Standardized terms are crucial for clinical trials, tumor registries, and clinical practice.

Purpose of the Study:

To explore the impact of new pathological techniques on tumor nomenclature.
To address the dilemma pathologists face regarding the adoption of new terms versus established nomenclature.
To examine specific examples of how new techniques influence tumor classification and naming.

Main Methods:

Review of recent examples where new techniques have affected tumor nomenclature.
Analysis of specific cases involving lung tumors, APUD (amine precursor uptake and decarboxylation) and neuroendocrine carcinoma concepts, and endocrine elements in carcinomas.
Discussion of the functional differences between conceptual and descriptive terms in pathology.

Main Results:

New techniques, like electron microscopy for lung tumors, raise questions about incorporating ultrastructural heterogeneity into routine diagnostic reports.
The APUD and neuroendocrine carcinoma concepts prompt re-evaluation of terms like carcinoids and small cell carcinomas.
The utility of terms such as amphicrine carcinoma, argentaffin cell carcinoma, and biphenotypic carcinoma in routine diagnosis is questioned.

Conclusions:

The integration of new terminology in pathology requires careful consideration of its applicability in routine diagnostics.
Distinguishing between conceptual and descriptive terms can aid pathologists in navigating terminological changes.
Maintaining consistency in tumor nomenclature is vital for reliable data in clinical research and practice.

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