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Portal vein leiomyosarcoma: a case report and review of the literature

BACKGROUND: Leiomyosarcoma of vascular smooth muscle is a very rare entity. A fair number of cases of vascular leiomyosarcomas have been reported, and the vast majority of these tumors arose from the inferior vena cava. CASE PRESENTATION: We report the case of a 71-year-old female patient who presen...

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Detalles Bibliográficos
Autores principales: Gohrbandt, Antje E., Hansen, Torsten, Ell, Christian, Heinrich, Stefan S., Lang, Hauke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5007823/
https://www.ncbi.nlm.nih.gov/pubmed/27580598
http://dx.doi.org/10.1186/s12893-016-0174-x
Descripción
Sumario:BACKGROUND: Leiomyosarcoma of vascular smooth muscle is a very rare entity. A fair number of cases of vascular leiomyosarcomas have been reported, and the vast majority of these tumors arose from the inferior vena cava. CASE PRESENTATION: We report the case of a 71-year-old female patient who presented with recurrent upper abdominal pain. A CT-scan demonstrated a heterogenous mass in the liver hilum. Liver function tests and hematology parameters as well as the tumor markers were normal. Due to the unclear diagnosis a percutaneous biopsy of this mass was performed and revealed leiomyosarcoma. The patient was treated by a right sided hemihepatectomy with portal vein reconstruction and an end-to-side hepatico-jejunostomy. Final histology confirmed complete (R0) resection of a moderately differentiated leiomyosarcoma of the portal vein. After complete (R0) resection of the lesion, the patient remained without any signs of tumor recurrence for a total of 36 months until detection of an unresectable local recurrence. After surgical re-exploration the patient was finally referred to palliative radiotherapy. CONCLUSION: Vascular leiomyosarcoma of the portal vein is an extremely rare tumor entity. We have described a case with no evidence-based neo/adjuvant treatment options, where aggressive surgery achieved a tumor-free margin (R0), performed in a specialized center for sarcoma and hepatobiliary surgery.