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  • 1
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  Although the association between dermatomyositis and cancer is well recognized, there have been a limited number of reports of dermatomyositis associated with testicular cancer. We report the case of a 31-year-old man who was diagnosed with dermatomyositis. Because the patient's serum levels of α−fetoprotein and human chorionic gonadotropin beta subunit were elevated, the patient was referred to our department. Physical examination revealed an induration (2 cm × 2 cm) in the left testis and the patient was diagnosed with stage IIIB left testicular cancer. A left high orchidectomy was then performed, and pathological examination revealed embryonal carcinoma. The patient was started on a systemic chemotherapeutic (etoposide, ifosfamide and cisplatin; VIP) regimen. After the third chemotherapy session, metastases had completely disappeared, the serum levels of α−fetoprotein and human chorionic gonadotropin beta subunit had normalized and the dermatomyositis symptoms had improved. Cancer is known to be a trigger of dermatomyositis. This case illustrates the importance of palpation of the testes in young patients with dermatomyositis.
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  • 2
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We studied the need for sling surgery in patients who suffered from large cystoceles and masked stress urinary incontinence.〈section xml:id="abs1-3"〉〈title type="main"〉Methods:Twenty patients who had large cystoceles but neither evidence nor history of stress incontinence were enrolled in this study. The cystocele was reduced using a reducing device. Masked urinary incontinence was identified by a 60 m pad weighing test and a stress test. The cystocele was reduced using a pessary ring in 14 patients, or a vaginal pack formed of two rolls of ordinary 28 × 28 cm gauze in six patients. Ten of 20 patients were diagnosed with masked stress urinary incontinence and were treated with anterior colporrhaphy and a suburethral sling procedure. The other 10 patients were continent after use of a cystocele reducing device and were treated with anterior colporrhaphy alone. Average follow-up periods of the patients with or without masked stress urinary incontinence were 51.2 months (range, 24.0–72.0 months) or 57.6 months (range, 27.0–70.0 months), respectively.〈section xml:id="abs1-4"〉〈title type="main"〉Results:One of the 10 patients diagnosed with masked stress incontinence had mild stress urinary incontinence postoperatively. None of the 10 continent patients had stress incontinence after anterior colporrhaphy alone.〈section xml:id="abs1-5"〉〈title type="main"〉Conclusions:Reducing devices of protruding cystocele were clinically useful in the detection of masked stress incontinence. Sling surgery was effective to prevent emerging stress urinary incontinence for patients who suffered from cystocele and masked stress incontinence.
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  • 3
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract  We report three cases with severe anastomotic strictures, which recurred several times after radical prostatectomy despite repeated treatments of urethral dilation, internal urethrotomy and/or transurethral resection. All three cases were finally treated with holmium laser successfully without any intraoperative or postoperative complications after repeated failures of each treatment. There were two specific characteristics in these three cases: the early onset of the stricture and the pinhole opening located on the top (12-o’clock) of the stricture wall.
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  • 4
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Little attention has been paid to infertility in men with epilepsy and little information exists about the mechanisms by which anti-epileptic drugs affect spermatogenesis or sperm function. We report a case of a male infertility patient with asthenozoospermia during long-term treatment with anti-epileptic drugs. A 29-year-old man had continued treatment with anti-epileptic drugs under the diagnosis of epilepsy for 13 years. He and his wife had been examined and treated as an infertile couple for 3 years. The patient was found to have no motile sperm with a normal sperm count, while taking a dose of 400 mg/day of carbamazepine. On suspicion of an adverse effect of carbamazepine, he was switched to phenytoin monotherapy. One month after that, sperm motility was vastly improved (65%) and they conceived a child 5 months after that. One must be cautious in extrapolating from a case report, but these findings strongly suggest a direct effect of carbamazepine on spermatic function.
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  • 5
    ISSN: 1432-0843
    Keywords: Key words Biochemical modulation ; Leucovorin ; Cisplatin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Both leucovorin (LV) and cisplatin (cis-dichlorodiammine platinum II, CDDP) act as modulators of 5-fluorouracil (5-FUra) by increasing the intracellular concentration of reduced folate. We measured intracellular folate levels following the administration of LV or cisplatin in tumor-bearing rats to determine the optimal schedules for their use as 5-FUra modulators. Donryu rats were inoculated with Yoshida sarcoma cells on the right flank. Seven days after tumor inoculation, the animals were injected with LV or CDDP. The kinetic and dose-related changes in intracellular folate concentration were analyzed by means of a binding assay. Folate levels in the tumor tissues were significantly higher than baseline 1 and 2 h after administration of LV and remained significantly high until 8 h after administration. Folate levels in the tumor tissues were significantly higher than baseline 1 and 2 h after cisplatin administration, then decreased to a rather low level 8 h after, and to a significantly lower level than baseline 24 h after administration. The folate levels in the tumor tissue increased in proportion to the dose of LV, but did not increase when the dose of cisplatin was increased from 1 mg/kg to 8 mg/kg. Repeat high-dose administration of LV and repeat low-dose administration of cisplatin are advocated when they are used as modulators of 5-FUra.
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  • 6
    ISSN: 1432-0843
    Keywords: Key words Metastatic breast cancer ; Chemotherapy ; Anthracyclines ; KRN8602 (MX2) ; Phase II trial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: KRN8602 (3′-deamino-3′-morpholino-13-deoxo-10-hydroxycarminomycin hydrochloride, MX2 · HCl) is a newly developed anthracycline that has been found to be effective against multidrug-resistant tumor cells in vitro and in vivo. In order to clinically confirm these promising preclinical observations, we performed a phase II trial of KRN8602 in patients with anthracycline-resistant metastatic breast cancer. Methods: Of 41 patients registered with metastatic breast cancer, 37 were eligible and were given at least two cycles of KRN8602 15 mg/m2 per day at 3–4 week intervals by intravenous bolus injection on days 1, 2, and 3. Results: Of the 37 patients, 6 (16.2%, with a 95% confidence interval of 4.3–28.1%) had a partial response (PR). No complete responses (CRs) were observed. The difference between response rates according to prior history of anthracycline administration was not significant. Myelosuppression was moderately severe, with grade 3 or 4 leukopenia occurring in 65%. Severe nausea/vomiting was observed in 44% of the patients. Conclusions: The results indicate that KRN8602 has modest activity in refractory metastatic breast cancer and is associated with relatively severe toxicity. Furthermore, the preclinical finding that KRN8602 overcomes anthracycline resistance was not reliably reproduced in this clinical phase II trial.
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  • 7
    ISSN: 1432-0843
    Keywords: Biochemical modulation ; Leucovorin ; Cisplatin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Both leucovorin (LV) and cisplatin (cis-dichlorodiammine platinum II, CDDP) act as modulators of 5-fluorouracil (5-FUra) by increasing the intracellular concentration of reduced folate. We measured intracellular folate levels following the administration of LV or cisplatin in tumor-bearing rats to determine the optimal schedules for their use as 5-FUra modulators. Donryu rats were inoculated with Yoshida sarcoma cells on the right flank. Seven days after tumor inoculation, the animals were injected with LV or CDDP. The kinetic and dose-related changes in intracellular folate concentration were analyzed by means of a binding assay. Folate levels in the tumor tissues were significantly higher than baseline 1 and 2 h after administration of LV and remained significantly high until 8 h after administration. Folate levels in the tumor tissues were significantly higher than baseline 1 and 2 h after cisplatin administration, then decreased to a rather low level 8 h after, and to a significantly lower level than baseline 24 h after administration. The folate levels in the tumor tissue increased in proportion to the dose of LV, but did not increase when the dose of cisplatin was increased from 1 mg/kg to 8 mg/kg. Repeat high-dose administration of LV and repeat low-dose administration of cisplatin are advocated when they are used as modulators of 5-FUra.
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  • 8
    ISSN: 1432-0843
    Keywords: Key words Uracil ; Tegafur ; Cyclophosphamide ; Methotrexate ; 5-FU ; Phase III
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The value of cyclophosphamide/methotrexate/5-fluorouracil (CMF)-type regimens in surgical adjuvant therapy in certain subsets of patients with axillary lymph node-negative breast cancer has been evaluated in Europe and the USA. However, Japan has a distinctive standpoint regarding the indications for surgical adjuvant chemotherapy for breast cancer patients. In addition, oral fluoropyrimidines are widely used to treat breast cancer patients in both adjuvant and metastatic settings due to their low toxicity and convenience for long-term administration. Although the antitumor activity and the ability to prolong disease-free survival times of oral fluoropyrimidines have been evaluated in patients with breast cancer, available data are not sufficient to justify replacing CMF-type regimens with oral fluoropyrimidines in postoperative chemotherapy for breast cancer patients. To evaluate the utility of oral fluoropyrimidines in surgical adjuvant chemotherapy, the National Surgical Adjuvant Study Group (N-SAS) was founded in 1995 as a government-funded research group, and nationwide multiinstitutional trials were designed for breast cancer as well as colon and gastric cancers. For high-risk, node-negative breast cancer patients, a prospective randomized trial of surgical adjuvant chemotherapy comparing 6 cycles of CMF with 2 years of daily uracil/tegafur (UFT) started in October 1996. The endpoints of this study include disease-free and overall survival, adverse reactions, quality of life, and cost.
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Although several proteoglycans (PGs) have been reported in bovine periodontal ligament (PDL), the composition of PGs in PDL has been poorly characterized. In the present study, we isolated and characterized keratan sulfate-substituted PG (fibromodulin) in bovine PDL. Fibromodulin was purified from 4 m guanidine hydrochloride (GdmCl) extracts of bovine PDL tissues using DEAE Sephacel ion-exchange chromatography and preparative electrophoresis. Fibromodulin appeared as a single polydisperse band with an apparent molecular weight (MW) of 80, 000 (80 kDa) on SDS-PAGE. Digestion of fibromodulin with keratanase or neuraminidase reduced the apparent molecular size, and N-glycanase treatment produced core protein bands of around 40 kDa. Fibromodulin reacted with keratan sulfate monoclonal antibody (5D4) and fibromodulin polyclonal antibodies (α-FM). The keratanase-digested fibromodulin reacted with α-FM, but not with 5D4. These data suggest that fibromodulin is one of the small PGs in the PDL-matrix and may fulfill construction and maintenance functions in this tissue.
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  • 10
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
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