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Nakajima F, Murai T, Yanada S, Yuri Y, Ohya K, Kishimoto Y, Matsuzaki J, Fukasawa R, Kawakami S, Torii T, Mizuo T. MP-09.08 Serum Prostate Specific Antigen Level Predicts the Effectiveness of Silodosin in Patients with Benign Prostate Hyperplasia. Urology 2011. [DOI: 10.1016/j.urology.2011.07.210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Ratnasari A, Hasegawa K, Oki K, Kawakami S, Yanagi Y, Asaumi JI, Minagi S. Manifestation of preferred chewing side for hard food on TMJ disc displacement side. J Oral Rehabil 2011; 38:12-7. [PMID: 20673297 DOI: 10.1111/j.1365-2842.2010.02128.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to reveal the relationship between chewing-side preference and anterior disc displacement (ADD) of the TMJ. Thirty-two healthy subjects with ages ranging from 26 to 34 years were selected from volunteer students at the Okayama University Dental School. Subjects were asked to chew freely with two kinds of test foods, beef jerky (hard food) and chiffon cake (soft food), thus expecting different amounts of mechanical loading on the TMJ. One, 4, and 7 s after starting the mastication, subjects were asked to open their mouth momentarily to have a digital image of their mouth taken. The bolus placement area was measured by processing the digital images, calculated as the number of pixel of bolus area. Area asymmetry index was used for the determination of preferred chewing side (PCS). Oblique sagittal MRI scanning in the closed mouth position was taken to evaluate the articular disc position. In asymptomatic subjects with ADD, a significant predominance of the PCS on the ipsilateral side of ADD was observed during the mastication of hard food. On the contrary, no correlation was found between unilateral ADD and PCS for the soft food. From the results of this study, it is suggested that ADD is the associating factor of PCS for hard food. Therefore, it would be necessary to break down the concept of PCS into at least two categories, one for hard food and one for soft food, considering the mechanical loading on the TMJ.
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Sakura M, Kawakami S, Ishioka J, Fujii Y, Numao N, Saito K, Koga F, Masuda H, Fukui I, Kihara K. A novel repeat biopsy nomogram based on three-dimensional extended biopsy. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
111 Background: There is no perfect cohort in which nomograms are developed because no biopsy method can detect all cancers. To minimize this inherent verification bias, having a cohort with fewer false negative cases is advantageous. Based on a cohort examined with three-dimensional (3D) extended biopsy protocol, we developed a novel nomogram for diagnosis of prostate cancer on repeat biopsy. Methods: Of 4,074 consecutive male patients undergoing prostate biopsy at our institutions between 2000 and 2009, 775 men with at least one previous negative biopsy underwent repeat biopsy with 3D protocol. Men with previous atypical glands or atypical small acinar proliferation and/or without available prostate-specific antigen (PSA) kinetics information were excluded. The remaining 515 men constituted the study cohort. We developed a logistic regression-based nomogram with 70% of the cohort selected randomly; we validated it with the remaining 30%. Predictive accuracy and performance characteristics were assessed using the area under the receiver operating characteristic curve (AUC) and calibration plots, respectively. The threshold probability was evaluated with decision curve analysis. Results: We developed a novel repeat biopsy nomogram incorporating age, free to total PSA ratio, prostate volume, history of previous extended biopsy, and PSA doubling time. Validation confirmed predictive accuracy with an AUC value of 0.791. Calibration plots showed good agreement. The decision curve of the nomogram was superior to the decision curve of biopsying all men in a range of threshold probability over 0.15. At the threshold of 0.2, the number of unnecessary biopsies could be reduced by 10 per 100, without missing PCa. Conclusions: We developed a novel repeat biopsy nomogram based on a cohort examined with 3D extended biopsy. This repeat biopsy nomogram is clinically beneficial, saving a substantial number of unnecessary biopsies. No significant financial relationships to disclose.
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Masuda H, Kawakami S, Sakura M, Fujii Y, Koga F, Saito K, Numao N, Yoshida S, Komai Y, Okada Y, Ito M, Yonese J, Fukui I, Kihara K. 12 PERFORMANCE OF FREE PSA BETTER THAN TOTAL PSA FOR ESTIMATION OF PROSTATE VOLUME IN ELDERLY MEN WITHOUT PROSTATE CANCER. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/s1569-9056(11)60017-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Fujii Y, Yoshida S, Yokoyama M, Iimura Y, Numao N, Saito K, Koga F, Masuda H, Kawakami S, Kihara K. Maintenance of the suppressed level of serum testosterone by administration of three-monthly formulations of luteinizing hormone-releasing hormone agonists at six-month intervals in Japanese patients with prostate cancer: A prospective study. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
159 Background: Treatment with an LH-RH agonist is a standard alternative to surgical castration for prostate cancer patients. The serum testosterone level is kept at castrate levels continuously during LH-RH agonist therapy in almost all patients (Fujii Y, BJU Int 2008). LH- RH agonists, however, are more expensive than surgical castration, with drugs costing between US $300 and $500 per month in Japan. Recent studies suggest that 3-monthly formulations of LH-RH agonists suppress the serum testosterone levels far longer than the 3-month dosing interval. Methods: A total of 43 Japanese patients with prostate cancer who were treated with 3-monthly LH-RH agonists (23 with 11.25mg leuprolide, and 20 with 10.8 mg goserelin) for one year or longer and whose testosterone levels were kept at castrate level (defined as < 50 ng/dL) were entered into this prospective, longitudinal study. After entry, the 43 men received the same 3-monthly LH-RH agonists at 6-month intervals, and had serum LH and testosterone tests performed at 3-month intervals. Bicalutamide was combined with the LH-RH agonists in 12 of the patients. Results: At entry, median patient age was 74 years (range 59 to 89), median duration of LH-RH agonists treatment was 26 months (12 to 125), and median LH and testosterone levels were <10 ng/dL (<10 to 60) and 5 ng/dL (<5 to 18), respectively. The 43 patients received a total of 162 administrations (median 5, range 1 to 6) of the LH-RH agonists at 6-month intervals, and had a total 335 hormonal tests (median 10, range 2 to12) performed during the median followup period of 30 months. Serum LH and testosterone levels were kept suppressed during the treatment. Of the 43 patients, two had serum testosterone just above the castrate level (54 and 56 ng/dL) once each among their 12 and 8 hormonal assays, respectively. Conclusions: Administration of 3-monthly LH-RH agonists, either leuprolide or goserelin, at 6-month intervals could maintain the castrate level of serum testosterone at least in Japanese prostate cancer patients who have received LH-RH agonists treatment for one year or longer. No significant financial relationships to disclose.
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Numao N, Kawakami S, Sakura M, Komai Y, Yokoyama M, Okada Y, Koga F, Saito K, Masuda H, Fujii Y, Yamamoto S, Yonese J, Ishikawa Y, Fukui I, Kihara K. 1039 PATIENT SELECTION FOR HEMIABLATIVE FOCAL THERAPY OF PROSTATE CANCER BASED ON EXTENDED 14- OR 26-CORE BIOPSY. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/s1569-9056(11)61020-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Tatokoro M, Saito K, Fujii Y, Komai Y, Koga F, Masuda H, Kawakami S, Kihara K. C-reactive protein kinetics superior to radiographic response as a surrogate endpoint for survival in patients with advanced renal cell carcinoma. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
333 Background: As cytokines and targeted agents against advanced renal cell carcinoma (aRCC) are considered to achieve high stable disease (SD) rate rather than objective response (OR) by radiographic measurement, we often face the therapeutic dilemma in deciding whether to continue the ongoing treatment and when to change it. Therefore, other valid surrogate endpoints have been desired. We have previously demonstrated C-reactive protein (CRP) kinetics could predict prognosis of pts with aRCC (Eur Urol. 2009:1145-53). Methods: This study was performed on 56 pts with aRCC (metastatic: 54, unresectable: 2) enrolled in a phase II trial of interferon-alpha, cimetidine, COX-2 inhibitor and renin-angiotensin-system inhibitor (I-CCA; Cancer Sci. in press). CRP levels were measured at pretreatment, thereafter almost every visit. Pts were divided into 3 groups according to CRP kinetics. Pts whose pretreatment CRP levels were < 5 mg/l were assigned to nonelevated group. Pts whose pretreatment CRP levels were > 5 mg/l but normalized (< 5 mg/l) at least one time during I-CCA were assigned to normalized group. Pts whose CRP level never decreased to normal level were assigned to non-normalized group. Radiographic response was assessed by WHO criteria; survivals were estimated by Kaplan–Meier method and prognostic factors were assessed by Cox's proportional hazard model. Results: Median follow-up was 26 mo. An OR and clinical benefit rate to I-CCA were 20 and 64%, respectively. The median progression-free and overall survival (OS) was 12 and 45 mo, respectively. The median OS was 74, 83 and 13 mo in in non-elevated (n=26), normalized (n=16) and non-normalized (n=14) group, respectively (p<0.0001). Of the 25 pts achieving SD, CRP kinetics was independent prognostic factor for OS (p<0.0001). Of the pts whose pretreatment CRP was elevated, all pts achieving OR had CRP normalization and multivariate analysis revealed CRP normalization was independent prognostic factor for OS (p=0.0008), whereas achieving OR was not (p=0.19). Conclusions: CRP kinetics compares favorably with objective response to systemic therapy as a valid surrogate endpoint for survival. No significant financial relationships to disclose.
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Iwai A, Koga F, Kawakami S, Fujii Y, Masuda H, Saito K, Kihara K. Does induction chemoradiotherapy compromise subsequent radical cystectomy? A single-institutional comparative study on perioperative complications according to the Clavien-Dindo classification. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.7_suppl.284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
284 Background: Recently, bladder-sparing protocols incorporating TUR + chemoradiotherapy (CRT) have been developed. Patients who achieve CR after CRT are subjects for bladder preservation treatment and those who with non-CR undergo radical cystectomy (RC). However, early studies suggest that RC following pelvic irradiation associates with a higher mortality. To validate the impact of induction CRT on perioperative morbidity of RC, we compared complications of RC in patients treated with or without induction CRT at a single university hospital. Methods: Records of consecutive 193 patients who underwent RC for bladder cancer between April 1989 and May 2010 were reviewed. Induction CRT consists of radiation at 40 Gy to the small pelvis and 2 cycles of concurrent cisplatin at 20 mg/d for 5 days. Any complications occurred within 30 days after RC were graded according to the Clavien-Dindo classification system. Complications of grade I or II were classified as minor and complications of grade III or greater were classified as major. Results: Eighty-seven patients underwent induction CRT (CRT group) while 106 did not (control group). Patients of CRT group had significantly more advanced disease. No patient died within 90 days. Twenty one (11%) patients experienced at least one major complications; there was no significant difference in the incidence of major complications between CRT and control group (14% vs. 8%, p = 0.26). The details were as follows; infectious (3.5% vs. 3.8%, p = 1.0), gastrointestinal (4.6% vs. 0.9%, p = 0.18), surgical (6.9% vs. 3.8%, p = 0.35), cardiovascular (1.2% vs. 0.9%, p = 1.0). There was no significant difference between the incidence of minor complications (61% vs. 51%, p = 0.19). Conclusions: Induction CRT at 40 Gy is unlikely to compromise subsequent RC. No significant financial relationships to disclose.
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Sakamoto M, Murata K, Kawakami S, Domingo J, Nakai K, Satoh H. Relationship between methylmercury and DHA in pregnant women and fetuses: The risks and benefits of fish consumption. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Charoensit P, Kawakami S, Higuchi Y, Yamashita F, Hashida M. Enhanced growth inhibition of metastatic lung tumors by intravenous injection of ATRA-cationic liposome/IL-12 pDNA complexes in mice. Cancer Gene Ther 2010; 17:512-22. [PMID: 20414324 DOI: 10.1038/cgt.2010.12] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Interleukin 12 (IL-12) is a proinflammatory cytokine with antitumor activity. All-trans-retinoic acid (ATRA) exerts antitumor effects by regulating a variety of gene expressions, including tumor necrosis factor receptor 1 (TNFR1), increases the number of TNFR1 and potentiates TNF-alpha-induced apoptosis in cancer cells. In this study, ATRA-incorporated cationic liposome (ATRA-cationic liposome)/IL-12 plasmid DNA (pDNA) complexes were prepared to improve therapeutic efficacy of cationic liposome/IL-12 pDNA complexes in a mouse model of metastatic lung tumor after intravenous injection. IL-12 production in lungs by ATRA-cationic liposome/IL-12 pDNA complexes was comparable with that by cationic liposome/IL-12 pDNA complexes. The number of metastatic tumor cells (colon26/Luc) was quantitatively evaluated by measuring luciferase activity. ATRA-cationic liposome/IL-12 pDNA complexes reduced the number of colon26/Luc cells and tumor nodules in lungs. ATRA-cationic liposome/IL-12 pDNA complexes significantly prolonged the survival time of mice, whereas cationic liposome/IL-12 pDNA only slightly prolonged it. ATRA-cationic liposome/IL-12 pDNA complexes increased the TNFR1 mRNA upregulation and the number of apoptotic cells in the lung. Moreover, reduced serum alanine transaminase (ALT) and aspartate transaminase (AST) activities were observed in mice treated with ATRA-cationic liposome/IL-12 pDNA complexes. These results suggest that intravenous injection of ATRA-cationic liposome/IL-12 pDNA complexes is an effective method for the treatment of lung metastasis in mice.
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Kihara K, Tsushima T, Kawakami S, Fujii Y, Masuda H, Koga F, Saito K. V4 GASLESS SINGLE PORT ACCESS ULTRASOUND-GUIDED CLAMPLESS PARTIAL NEPHRECTOMY: MIES PARTIAL NEPHRECTOMY. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/s1569-9056(10)61041-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Saito K, Kihara K, Kawakami S, Fujii Y, Masuda H, Koga F. V1 GASLESS TWO PORT ACCESS TOTAL NEPHROURETERECTOMY: MIES TOTAL NEPHROURETERECTOMY. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/s1569-9056(10)61038-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kawakami S, Takeshita H, Tatokoro M, Yamamoto S, Kijima T, Komai Y, Saito K, Numao N, Koga F, Fujii Y, Fukui I, Kihara K. 56 DIAGNOSTIC PERFORMANCE OF A THREE-DIMENSIONAL 14-CORE SYSTEMATIC BIOPSY WHICH CAN DETECT MORE THAN 95% OF THE PROSTATE CANCERS DETECTED BY THE THREE-DIMENSIONAL 26-CORE SUPER-EXTENDED BIOPSY SCHEME. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/s1569-9056(10)60064-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Miyaoka Y, Ashida I, Kawakami S, Tamaki Y, Miyaoka S. Activity patterns of the suprahyoid muscles during swallowing of different fluid volumes. J Oral Rehabil 2010; 37:575-82. [PMID: 20337866 DOI: 10.1111/j.1365-2842.2010.02081.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Influences of bolus volumes on activity patterns of the suprahyoid muscles during swallowing were examined using the T(P) technique (which quantitatively evaluates muscle activity patterns and indicates a negatively skewed pattern at lower T(P) values) in healthy young adults (eight men and four women). One of six volumes of tea ranging from 10 to 32 mL was delivered randomly to each subject while recording an electromyogram of the suprahyoid muscles and a laryngeal mechanogram with a piezoelectric sensor. Each subject was asked to swallow the full volume of liquid in a gulp if possible. T(P) values were calculated as deciles from T(0) to T(100) during intervals that were defined by the trajectory of the laryngeal mechanogram recorded during swallowing. Seven significant differences were detected in the average T(P) values from T(30) to T(60): between 16 mL (e.g., 0.448 in T(30)) and 25 mL (0.408 in T(30)) and between 20 mL (0.453 in T(30)) and 25 mL. There were significant differences among the 12 subjects for all of the nine average T(P) values (Ps < 0.001), suggesting a notable intersubject variation in the suprahyoid (SH) activity patterns. The average peak amplitudes of the integrated suprahyoid activity differed significantly among the six volumes (P < 0.001), while the average durations measured by the laryngeal mechanogram did not. The present results suggest that the swallowing volume mainly affects SH activity patterns, which were evaluated by the T(P) technique, during the early period of each swallow.
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Kihara K, Kobayashi T, Kawakami S, Fujii Y, Kageyama Y, Masuda H. Minimum incision endoscopic surgery (MIES) in Japanese urology: results of adrenalectomy, radical nephrectomy and radical prostatectomy. Aktuelle Urol 2010; 41 Suppl 1:S15-9. [PMID: 20094945 DOI: 10.1055/s-0029-1224662] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
AIM The aim of this study was to evaluate the feasibility of our minimum incision endoscopic surgeries (MIES), adrenalectomy, radical nephrectomy and radical prostatectomy, which are operated via a single minimum incision which narrowly permits extraction of the specimen, using an endoscope, without gas insufflation, without any trocar ports and without injury to the peritoneum. These operations have been developed in our department in the late 1990 s and have since been performed in more than 1000 patients and certified as advanced surgery by the Japanese government in 2006. METHODS Adrenalectomy, radical nephrectomy and radical prostatectomy were carried out via a single minimum incision under the conditions of gasless, portless (without trocar ports), intact peritoneum and at low cost with reusable devices. The anatomic plane was separated through the incision and a wide working space was made extraperitoneally. New devices were made especially for this operation in our department, which are now commercially available. The results of the most recent consecutive cases (2005-2007) are evaluated. The results of adrenalectomy and radical nephrectomy performed by 12 operators including inexperienced doctors were compared with the initial results performed by 2 operators, mostly by one operator. RESULTS In the recent 60 cases of adrenalectomy, the average length of incision, operative time, estimated blood loss were 5.7 cm (5.6 cm in the initial 30 cases), 156 min (147 min) and 174 ml (139 ml), respectively. A complication was observed in one case, injury to the renal artery. Blood transfusion was not performed. Average days to oral feeding, to long walking (more than 100 m) and to possible minimal hospital stay were 1.3 days (2 days), 1.1 days (1.1 days) and 1.9 days (4.6 days), respectively. In the recent 80 cases of radical nephrectomy, the average length of incision, operative time, estimated blood loss were 6.6 cm (6.6 cm in the initial 80 cases), 192 min (186 min) and 315 ml (324 ml), respectively. Complications were not observed in any of the cases (2) and blood transfusion was performed in 1 case (3). Average days to oral feeding, to long walking (more than 100 m) and to possible minimal hospital stay were 1.1 days (1.4 days), 1.2 days (1.4 days) and 1.9 days (4.8 days), respectively. In the recent 50 cases of radical prostatectomy, the average length of incision and operative time were 5.9 cm and 261 min, respectively. Two complications (small rectal injuries) were observed and one blood transfusion was performed. Average days to oral feeding, to long walking (more than 100 m) and possible minimal hospital stay were 1.0 days, 1.0 days and 2.4 days, respectively. Wound pain was minimal and analgesics were generally not required on the second postoperative day in the above 3 operations. Although prophylactic antibiotics were not used in the recent cases of adrenalectomy and radical nephrectomy, surgical site infection was not observed. CONCLUSION Minimum incision endoscopic surgery (MIES) in Japanese urology is a safe, reproducible, cost-effective and minimally invasive treatment option for adrenal tumor, renal cell carcinoma and prostate carcinoma.
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Tsushima K, Tanabe T, Yamamoto H, Koizumi T, Kawa S, Hamano H, Honda T, Uehara T, Kawakami S, Kubo K. Pulmonary involvement of autoimmune pancreatitis. Eur J Clin Invest 2009; 39:714-22. [PMID: 19496802 DOI: 10.1111/j.1365-2362.2009.02164.x] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND A wide variety of systemic lesions have been seen in patients with autoimmune pancreatitis. The pulmonary involvement of autoimmune pancreatitis was analysed to clarify the clinicopathological features of pulmonary lesions in comparison with pulmonary sarcoidosis. MATERIALS AND METHODS Nineteen patients had autoimmune pancreatitis and eight had pulmonary sarcoidosis. The symptoms, laboratory data, chest computed tomography, Gallium-67 scintigraphy, pulmonary function testing and bronchoscopy findings, including the histological IgG4-immunostaining and IgG subclasses in the bronchoalveolar lavage in autoimmune pancreatitis, were collected to compare them with pulmonary sarcoidosis. RESULTS The serum total protein, IgG and IgG4 levels were found to be significantly elevated in comparison with pulmonary sarcoidosis. In autoimmune pancreatitis, 17 patients showed bilateral hilar lymphadenopathy, while eight showed pulmonary nodules on chest computed tomography. Eighteen of 19 patients on Gallium-67 scintigraphy showed accumulation spots in either the hilar or mediastinal lymph nodes. Six patients with pulmonary nodules demonstrated accumulation spots in the corresponding lesions on chest computed tomography. All eight patients with pulmonary sarcoidosis showed accumulation spots in either the hilar or mediastinal lymph nodes. Bronchoalveolar lavage IgG4 in autoimmune pancreatitis showed a significant increase in comparison with pulmonary sarcoidosis. The histological findings obtained by a transbronchial lung biopsy showed the infiltration of lymphocytes and plasma cells in the thickened interstitum and alveoli with IgG4-positive plasma cell infiltration in patients with autoimmune pancreatitis. CONCLUSION IgG4 in the bronchoalveolar lavage was seen at remarkably increased levels and IgG4-positive plasma cells were identified in the pulmonary lesions of patients with autoimmune pancreatitis.
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Yamamoto S, Kawakami S, Yonese J, Fujii Y, Tsukamoto T, Ohkubo Y, Komai Y, Ishikawa Y, Fukui I. Risk Stratification of High-grade Prostate Cancer Treated with Antegrade Radical Prostatectomy with Intended Wide Resection. Jpn J Clin Oncol 2009; 39:387-93. [DOI: 10.1093/jjco/hyp032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Ito M, Yasuo M, Yamamoto H, Tsushima K, Tanabe T, Yokoyama T, Hamano H, Kawa S, Uehara T, Honda T, Kawakami S, Kubo K. Central airway stenosis in a patient with autoimmune pancreatitis. Eur Respir J 2009; 33:680-3. [DOI: 10.1183/09031936.00051408] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kawakami S, Sonoo M, Hatanaka Y, Tsukamoto H, Taji A, Kusunoki S, Chiba A, Shimizu J, Shimizu T. 78. The correlation between electrophysiological subgroups and antibodies in Guillain–Barré syndrome. Clin Neurophysiol 2009. [DOI: 10.1016/j.clinph.2008.10.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Miyaoka Y, Ashida I, Kawakami S, Miyaoka S. Applicability of piezoelectric sensors for speech rehabilitation. J Med Eng Technol 2009; 33:328-33. [DOI: 10.1080/03091900802602784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Kaneko K, Kawakami S. The roles of PGF(2alpha) and PGE(2) in regression of the corpus luteum after intrauterine infusion of Arcanobacterium pyogenes in cows. Theriogenology 2008; 71:858-63. [PMID: 19095297 DOI: 10.1016/j.theriogenology.2008.10.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2008] [Revised: 10/02/2008] [Accepted: 10/19/2008] [Indexed: 11/26/2022]
Abstract
To study the effect of bacteria in the uterus on the fate of the corpus luteum (CL), Arcanobacterium pyogenes was inoculated into the uteri of cows on Day 3 (Day 0=day of spontaneous ovulation). Plasma concentrations of 13,14-dihydro-15-keto-PGF(2alpha) (PGFM), 13,14-dihydro-15-keto-PGE(2) (PGEM) and progesterone (P(4)) were determined. In five cows, the developing CL regressed and first-wave dominant follicles, which normally become atretic, ovulated (Group OV) after bacterial inoculation. In another five cows (Group NOV) and five control cows, the developing CL did not regress and first-wave dominant follicles did not ovulate. In Group OV, PGFM concentrations increased by 126.2pg/mL (from 36.8+/-7.8pg/mL on Day 3 to 163+/-37.2pg/mL on Day 6), with an increase ratio of 5.8-fold. Conversely, in Group NOV, PGFM had a greater increase of 198.4pg/mL (from 128.2+/-27.8pg/mL on Day 3 to 326.6+/-115.1pg/mL on Day 5), but the increase ratio was only 2.3-fold. Although PGEM tended to increase in both groups, raw increases and increase ratios were small. Bacterial inoculation into the uterus stimulated the release of prostaglandins and affected the fate of the CL; in that regard, the CL was affected more by PGF(2alpha) than by PGE(2), and the increase ratio of PGF(2alpha) was more important than the raw increase.
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Ashida I, Kawakami S, Miyaoka Y. A new method of simulating surface electromyograms using probability density functions. Comput Biol Med 2008; 38:837-44. [DOI: 10.1016/j.compbiomed.2008.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2006] [Revised: 04/21/2008] [Accepted: 05/05/2008] [Indexed: 10/21/2022]
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Fujii Y, Kawakami S, Kobayashi T, Masuda H, Koga F, Saito K, Sakai Y, Kageyama Y, Kihara K. Salvage therapy with bicalutamide 80mg in patients with PSA failure under medical or surgical castration for prostate cancer. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.16010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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