eISSN: 1897-4309
ISSN: 1428-2526
Contemporary Oncology/Współczesna Onkologia
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SCImago Journal & Country Rank
1/2018
vol. 22
 
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abstract:
Case report

Recanalization and remodeling of the great saphenous vein caused by the large melanoma’s cutaneous metastasis

Przemysław Stefaniak, Przemysław Kwiatkowski, Zygmunt Kozielec, Janusz Godlewski

Contemp Oncol (Pozn) 2018; 22 (1): 54-59
Online publish date: 2018/04/03
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Aim of the study
Large melanoma tumour caused arterial remodelling of the distal part of the great saphenous vein. The metastasis occurred at the site where inguinal lymphadenectomy was previously performed and the proximal part of the great saphenous vein was resected. The aim of this study is the presentation of such a rare observation and literature overview concerning melanoma metastasis and possible stimuli causing remodelling of veins.

Material and methods
Macroscopic and microscopic analyses of the large blood vessel that supplies melanoma were made. The size and structure of the blood vessel was compared with the regular great saphenous vein.

Results
The macroscopic examinations allowed us to ascertain that the blood vessel that was identified intraoperatively as the great saphenous vein, has a thick, stiff wall. The microscopic analysis allowed demonstrated that the tunica media was typical for a muscular artery morphology. The morphometric analysis revealed that the blood vessel wall in the area of metastatic tumour was much thicker than the wall of a regular great saphenous vein.

Conclusions
This malignant melanoma skin metastases caused the recanalisation of the great saphenous vein the lumen of which was obliterated during the initial surgical treatment. The metastatic tumour supplied by large blood vessels grew extensively and caused arterial remodelling of the venous wall.

keywords:

melanoma malignum, melanoma metastases, great saphenous vein remodelling, muscular artery

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