Cancer diagnostics: The journey from histomorphology to molecular profiling

Although histomorphology has made significant advances into the understanding of cancer etiology, classification and pathogenesis, it is sometimes complicated by morphologic ambiguities, and other shortcomings that necessitate the development of ancillary tests to complement its diagnostic value. A...

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Bibliographic Details
Published in:Oncotarget 2016-09, Vol.7 (36), p.58696-58708
Main Authors: Ahmed, Atif A, Abedalthagafi, Malak
Format: Article
Language:English
Subjects:
Animals
Biomarkers, Tumor - genetics
Carcinoma, Renal Cell - therapy
Gastrointestinal Stromal Tumors - therapy
Gene Expression Profiling
Gene Expression Regulation, Neoplastic
Humans
Kidney Neoplasms - therapy
Medical Oncology - methods
Medical Oncology - trends
Molecular Diagnostic Techniques - methods
Molecular Diagnostic Techniques - trends
Mutation
Neoplasms - diagnosis
Neoplasms - genetics
Neoplasms - therapy
Precision Medicine - methods
Precision Medicine - trends
Review
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Summary:Although histomorphology has made significant advances into the understanding of cancer etiology, classification and pathogenesis, it is sometimes complicated by morphologic ambiguities, and other shortcomings that necessitate the development of ancillary tests to complement its diagnostic value. A new approach to cancer patient management consists of targeting specific molecules or gene mutations in the cancer genome by inhibitory therapy. Molecular diagnostic tests and genomic profiling methods are increasingly being developed to identify tumor targeted molecular profile that is the basis of targeted therapy. Novel targeted therapy has revolutionized the treatment of gastrointestinal stromal tumor, renal cell carcinoma and other cancers that were previously difficult to treat with standard chemotherapy. In this review, we discuss the role of histomorphology in cancer diagnosis and management and the rising role of molecular profiling in targeted therapy. Molecular profiling in certain diagnostic and therapeutic difficulties may provide a practical and useful complement to histomorphology and opens new avenues for targeted therapy and alternative methods of cancer patient management.
ISSN:1949-2553
1949-2553
DOI:10.18632/oncotarget.11061