Journal of Clinical Pathology 2009;62:289
COMMENTARY
Stromal tumours: which diagnostic approach?
Chairman, European Group for Molecular Pathology, ESP (European Society of Pathology); Director, Division of Surgical, Molecular and Ultrastructural Pathology, University of Pisa
G Bevilacqua, Division of Surgical, Molecular and Ultrastructural Pathology, University of Pisa, Italy; g.bevilacqua@med.unipi.it
Accepted 10 December 2008
| The first 150 words of the full text of this article appear below. |
Probably all pathologists agree that proliferations of stromal cells represent a somewhat complex chapter of pathology. In fact, their classification is still tentative, full of synonyms and with confusing terms, such as "inflammatory tumour" or "pseudosarcomatous proliferation".
Several factors can contribute to this complexity: a possible common progenitor (fibrocyte)1 for fibroblasts and myofibroblasts; the fact that the fibrocyte can be considered as belonging to the leucocytes; the possible epithelial origin of mesenchymal cells (epithelial–mesenchymal transition); and the interconnections between physiological and pathological stromal proliferations.2
The absence of a satisfactory classification provided by a rational base and of biological and clinical significance has negative consequences for the correct diagnosis of these diseases. The complex biology of stromal cells well explains the fact that immunohistochemistry gives contradictory results, often adding more confusion to a per se unclear morphological pattern.
Fortunately, molecular pathology is also entering into this field, thanks to our understanding
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J. Clin. Pathol. 2009 62: 377-379.[Abstract] [Full Text] [PDF]
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