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Angiogenesis and other markers for prediction of survival in metastatic renal cell carcinoma.
Umeå universitet, Medicinsk fakultet, Kirurgisk och perioperativ vetenskap, Urologi och andrologi. Urologi och andrologi.
Umeå universitet, Medicinsk fakultet, Strålningsvetenskaper, Onkologi. Onkologi.
Umeå universitet, Medicinsk fakultet, Medicinsk biovetenskap, Klinisk kemi. Klinisk kemi.
Umeå universitet, Medicinsk fakultet, Kirurgisk och perioperativ vetenskap, Urologi och andrologi. Urologi och andrologi.
2007 (engelsk)Inngår i: Scandinavian Journal of Urology and Nephrology, ISSN 0036-5599, E-ISSN 1651-2065, Vol. 41, nr 1, s. 5-9Artikkel i tidsskrift (Fagfellevurdert) Published
sted, utgiver, år, opplag, sider
2007. Vol. 41, nr 1, s. 5-9
Emneord [en]
Vascular endothelial growth factor, vascular endothelial growth factor receptor-1, basic fibroblast growth factor, erythropoietin, renal cell carcinoma, prognosis
Identifikatorer
URN: urn:nbn:se:umu:diva-12222DOI: doi:10.1080/00365590600830433PubMedID: 17366095OAI: oai:DiVA.org:umu-12222DiVA, id: diva2:151893
Tilgjengelig fra: 2008-01-08 Laget: 2008-01-08 Sist oppdatert: 2018-06-09bibliografisk kontrollert
Inngår i avhandling
1. Renal cell carcinoma: factors of importance for follow-up and survival
Åpne denne publikasjonen i ny fane eller vindu >>Renal cell carcinoma: factors of importance for follow-up and survival
2007 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Background: Renal cell carcinoma (RCC) is most lethal of the urological cancers, with more than 40% dying of the disease. About 30% of the patients have metastases at initial diagnosis and up to 40% undergoing nephrectomy for localized RCC develop metastasis. A follow-up protocol based on accurate prognostic variables allows identification of low and high risk patients and selection of those most likely to benefit from adjuvant therapy. I have studied a number of prognostic patient-related factors, including tumour stage and grade, angiogenetic factors and tumour markers, in order to improve follow-up guideline as well as to try to predict prognosis and clinical outcome for individual patients.

Material and Methods: The studies are based on patients treated for RCC between 1982 and 2002. All patients eligible for surgery with or without metastasis were treated with nephrectomy and were followed according to a scheduled follow-up programme. Serum samples were collected after obtained informed consent. Multiple clinicopathological, laboratory variables and preoperative radiological examinations were analyzed.

Results: Study I- After nephrectomy in 187 patients with non-metastatic RCC, 30% developed metastases during the follow-up. The risk for metastases was greater for more advanced stage and was adjusted by size and DNA ploidy. The median time to the diagnosis of metastases was 14.5 months. Metastases occurred in 43% of the patients within one year, within 2 years in 70% and 80% in 3 years. Patients with tumours less than 5 cm and diploid pT1>5cm and pT2 tumours survived longer than those with larger and aneuploid tumours. The 5-years survival rate for pT1, pT2, pT3 tumours were 95%, 87%, and 37% respectively. In pT3 tumours DNA ploidy had no relation to survival time.

Study II and IV- The median survival time for patients with metastatic RCC was 7 months. Cytoreductive nephrectomy was associated with longer survival time. Factors including performance status (PS), number of metastatic sites, erythrocyte sedimentation rate (ESR), calcium in serum, vein invasion, capsule invasion had independent prognostic value with Cox multivariate analysis. Study III- The incidence of adrenal tumour involvement was 5.3 %, unaffected of RCC type, tumour location or side. Gender (male) and locally advanced tumours (pT3 > 5cm) were factors predicting adrenal involvement. The presence of adrenal involvement was a significant adverse prognostic variable, indicating a significantly shorter survival in patients both with and without distant metastases.

Conclusion: Optimal follow-up guidelines are important from both medical and economic perspectives. The risk for progression depends mainly on stage, which in combination with other prognostic factors may allow more individualized and cost effective follow-up, in some cases by avoiding unnecessary examinations in a third of the patients. Cytoreductive nephrectomy in patients with good PS, metastases limited to one organ, low ESR, normal calcium and no vein invasion were factors associated to long survival time. Soluble angiogenic factors in serum gave no prognostic information. Ipsilateral adrenalectomy in conjunction with radical nephrectomy should be performed if an adrenal lesion cannot be cleared of suspicion during preoperative work up. Ipsilateral adrenal involvement is a highly adverse prognostic factor and should be staged as M1a in the TNM staging system.

sted, utgiver, år, opplag, sider
Umeå: Kirurgisk och perioperativ vetenskap, 2007. s. 54
Serie
Umeå University medical dissertations, ISSN 0346-6612 ; 1138
Emneord
renal cell carcinoma, follow-up, VEGFR-1, PS, ESR, stage, prognosis, metastasis, surveillance, TNM classification, adrenalectomy, angiogenesis, VEGF
HSV kategori
Identifikatorer
urn:nbn:se:umu:diva-1418 (URN)978-91-7264-439-7 (ISBN)
Disputas
2007-11-23, E04, 6E, Norrlands universitetssjukhus, Umeå, 13:00 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2007-11-02 Laget: 2007-11-02 Sist oppdatert: 2010-01-21bibliografisk kontrollert

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