Publications by authors named "Toshio Kakuda"

Background: Robot-assisted surgery is widely performed for renal cell carcinoma (RCC) with inferior vena cava (IVC) tumor thrombi. Although many chemotherapeutic options are available for the treatment of unresectable RCC, there are very few reports on robot-assisted radical nephrectomy (RARN) with inferior vena cava thrombectomy (IVCT) after presurgical treatment with immune checkpoint inhibitors and tyrosine kinase inhibitors. We believe that pre-surgical treatment can provide minimally invasive surgical benefits to high-risk patients during the perioperative period.

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Article Synopsis
  • The Briganti nomogram, with a 5% cut-off, is used to decide if pelvic lymph node dissection (PLND) is necessary for prostate cancer patients.
  • A study analyzed data from 1,068 patients who had radical prostatectomy and found no significant oncological benefit of PLND for those with a Briganti score of 5%.
  • High PSA levels and advanced T-stage were linked to worse biochemical recurrence-free survival, while PLND did not have a meaningful impact on recurrence outcomes.
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It has been suggested that aging of the immune system (immunosenescence) results in a decline in the acquired immune response, which is associated with an increase in age-related tumorigenesis. T-cell senescence plays a critical role in immunosenescence and is involved in the age-related decline of the immune function, which increases susceptibility to certain cancers. However, it has been shown that CD8 T cells with the senescent T-cell phenotype acquire an natural killer (NK) cell-like function and are involved in tumor elimination.

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Background: Patients with very-high-risk prostate cancer (VHRPCa) have earlier biochemical recurrences (BCRs) and higher mortality rates. It remains unknown whether extended robot-assisted laparoscopic prostatectomy (eRALP) without neoadjuvant or adjuvant therapy can improve the outcomes of VHRPCa patients. We aimed to determine the feasibility and efficacy of eRALP as a form of monotherapy for VHRPCa.

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Objective: To assess patient-reported outcomes after open radical prostatectomy, laparoscopic radical prostatectomy and permanent prostate brachytherapy.

Methods: patient-reported outcomes were evaluated using Expanded Prostate Cancer Index Composite scores at baseline and 1, 3, 6, 12 and 36 months after treatment, respectively, using differences from baseline scores.

Results: Urinary function was the same in the three groups at baseline, but worse after surgery than after permanent prostate brachytherapy until 12 months, and similar after open radical prostatectomy and permanent prostate brachytherapy and better than after laparoscopic radical prostatectomy at 36 months.

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Background: There have been few reports on health-related quality of life (HRQOL) after laparoscopic radical prostatectomy (LRP) in Japanese patients. The aim of this study is to assess changes in HRQOL during 36 months after LRP compared with retropubic radical prostatectomy (RRP).

Methods: The subjects were 105 consecutive patients treated with LRP between 2011 and 2012.

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Background: Leiomyosarcomas typically originate in smooth muscle cell. Leiomyosarcoma potentially arising from the adrenal gland is an extremely rare mesenchymal tumors associated with delayed diagnosis and poor prognosis.

Case Presentation: A 34-year-old man visited our department complaining of right hypochondriac pain.

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