ArticleBMC cancer2025
Pseudocapsule thickness is positively associated with prognosis in patients with clear cell renal cell carcinoma.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- A contrast-enhanced ultrasound-based nomogram for preoperative prediction of pseudocapsule status in localized clear cell renal cell carcinoma: a retrospective study.Translational andrology and urology · 2026Article
- Prognostic value of desmoplastic growth patterns in resected hepatocellular carcinoma.Scientific reports · 2026Article
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4 authors.
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Abstract
backgroundTumour pseudocapsule shows plasticity, whose representative indicator- pseudocapsule thickness- was little studied in clear cell renal cell carcinoma (ccRCC).
methodsWe enrolled 1037 ccRCC patients who underwent surgery between 2006 and 2013 at our institution. The patients did not receive therapy before surgery and were confirmed to have a pathological pseudocapsule. The associations of pseudocapsule thickness with overall survival and disease-free survival were studied using multivariable Cox regression analyses. Patients were stratified using points of maximum separation. Influential factors were examined with logistic regression.
resultsThe average thickness was 0.47 mm (median: 0.43, interquartile range: 0.28-0.6). The average follow-up was 92.1. In multivariable analyses, every 0.1-mm increase in thickness resulted in a decreased risk of death (hazard ratio (HR) 0.906, p = 0.011) but not recurrence (HR 0.948, p = 0.105). For patients with a pseudocapsule thickness of 0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm and 1.0 mm, the estimated 10-year overall survival rates were 74.9%, 83.3%, 87.8%, 90.1% and 91.0%, and the 10-year disease-free survival rates were 69.6%, 76.6%, 80.8%, 83.1% and 84.1%, respectively, with the best cut-off value being approximately 0.37 mm. The results of logistic regression revealed that female sex (p < 0.001), age (p = 0.002), a higher neutrophil count (p = 0.011), large tumour size (p < 0.001) and necrosis (p = 0.011) were independently associated with a thin pseudocapsule (≤ 0.37 mm).
conclusionsPseudocapsule thickness is heterogeneous in clear cell renal cell carcinoma. Generally, increased thickness is associated with improvement in long-term survival. A pseudocapsule being 0.37 mm or thinner is mostly influenced by both systematic and tumor-related parameters.
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