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Renal Cell Carcinoma with Double Synchronous Contralateral Adrenal Metastases
Masanori Ishida,Kaoru Kojima,Kuni Ohtomo 대한비뇨의학회 2010 Investigative and Clinical Urology Vol.51 No.12
A 63-year-old male patient visited our hospital with a right incidental renal tumor, which was found by ultrasonography for the follow-up study of chronic hepatitis B virus infection and diabetes mellitus. Consecutive computed tomography revealed a right renal tumor and two left adrenal tumors. Further systemic imaging study and hormonal examination suggested one right renal cell carcinoma and left adrenal metastases. We performed right nephrectomy and left adrenalectomy. The pathological diagnoses of all resected tumors were renal cell carcinoma. The patient has been in good health without any recurrence for 12 months since the operation. In patients with renal cell carcinoma, contralateral adrenal metastasis is usually associated with multiple metastases to other organs. There are a few cases of solitary and synchronous contralateral adrenal metastasis in the English literature. To our knowledge, this is the first report of a case of renal cell carcinoma with double synchronous contralateral adrenal metastases.
Masanori Arata,Norio Takahashi,Masafumi Fujita,Motoyasu Mochizuki,Takashi Araki,Takashi Hanai 전력전자학회 2012 JOURNAL OF POWER ELECTRONICS Vol.12 No.1
According to electrical output up rating of a permanent magnet motor and request to operate for a large variable speed range, resonance between structural natural vibration and electromagnetic force inside the motor can take place and make noise. This paper describes the mechanism of a resonance between them and noise lowering procedure by frequency shift when they are applied to the reluctance torque largely employed new motor named Permanent magnet Reluctance Motor (PRM).
Prognostication of the Last Days of Life
Masanori Mori,Tatsuya Morita,Eduardo Bruera,David Hui 대한암학회 2022 Cancer Research and Treatment Vol.54 No.3
Accurate prediction of impending death (i.e., last few days of life) is essential for terminally-ill cancer patients and their families. International guidelines state that clinicians should identify patients with impending death, communicate the prognosis with patients and families, help them with their end-of-life decision-making, and provide sufficient symptom palliation. Over the past decade, several national and international studies have been conducted that systematically investigated signs and symptoms of impending death as well as how to communicate such a prognosis effectively with patients and families. In this article, we summarize the current evidence on prognostication and communication regarding the last days of life of patients with cancer, and future directions of clinical research.
Masanori Nishi,Ichiro Okano,Takatoshi Sawada,Natsuki Midorikawa,Katsunori Inagaki 대한고관절학회 2019 Hip and Pelvis Vol.31 No.4
Purpose: Short-term outcomes following cemented and cementless hemiarthroplasties (HAs) are reported to be comparable, however, long-term outcomes of cementless HA–especially among Asian patients–is limited. We aimed to assess long-term outcomes in elderly East-Asian patients with intracapsular proximal femoral fractures treated with cementless HA. Materials and Methods: We enrolled 135 patients treated with cementless HA who met our inclusion criteria. We documented bone/implant-related complications (e.g., incidences of revision hip surgery, femoral stem subsidence, dislocation, intraoperative and postoperative periprosthetic fractures, contralateral hip fractures). We included those patients who are still alive 10 years after the index surgery in the final functional analysis of the existence of pain, ambulatory status, and residential status. Results: The mean age at injury was 78.3 years (range: 60-85 years). At the 10-year follow-up, 26 of the original patients (19.3%) had survived. During follow-up, revision hip surgery was conducted in two patients (1.5%). We recorded the incidence of intraoperative fractures, postoperative periprosthetic fractures, and contralateral fractures in two (1.5%), eight (5.9%), and six patients (4.4%), respectively. Among the 10-year survivors, six patients (23.1% of the survivors) complained of groin pain, but generally reported the pain to be tolerable. Conclusion: Among elderly East-Asian patients, the incidence of revision surgery after cementless HA may be lower than that in their European counterparts, whereas the incidence of periprosthetic fractures can still be considerably higher. For patients undergoing cementless HA, prevention of such secondary fractures is of critical importance.