A unique case of eccrine porocarcinoma with pulmonary lymphangitis and pericardial involvement: biological characterization and clinical aggressiveness.
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| Abstract |
A unique case of eccrine porocarcinoma with pulmonary lymphangitis and pericardial involvement is reported. The clinical course was aggressive, leading to the death of the patient a few months after diagnosis. Certain pathologial markers of clinical aggressiveness were retrospectively investigated: p53 and Ki-67 expression were determined by means of immunohistochemistry. Angiogenesis was assessed by determination of intratumor microvessel density at the vascular 'hot spot' with the anti-CD34 monoclonal antibody and quantitative analysis using computerized image analyzer. Both primary tumor and metastatic lymph node presented immunostaining for p53 and Ki-67, with a higher degree of vascularization in the secondary lesions compared to the primary tumor. Our findings suggest a correlation between tumor vascularization and clinicopathological parameters of aggressiveness in malignant eccrine porocarcinoma. Taking into account the disappointing results of current treatments for metastatic eccrine porocarcinoma, the assay of microvessel density may be helpful in selecting the patients of high risk for recurrence or death who may benefit of anti-angiogenic therapies.
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| Authors | E Biondi, G Ranieri, A Nicolò, G Gasparini |
| Journal | Oncology (Oncology) Vol. 59 Issue 3 Pg. 190-5 (Sep 2000) ISSN: 0030-2414 [Print] Switzerland |
| PMID | 11053985 (Publication Type: Case Reports, Journal Article) |
| Copyright | Copyright 2000 S. Karger AG, Basel. |
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