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1.
Results of low- and high-dose-rate interstitial brachytherapy for T3 mobile tongue cancer. 总被引:2,自引:0,他引:2
Naoya Kakimoto Takehiro Inoue Toshihiko Inoue Shumei Murakami Souhei Furukawa Ken Yoshida Yasuo Yoshioka Hideya Yamazaki Eiichi Tanaka Kimishige Shimizutani 《Radiotherapy and oncology》2003,68(2):123-128
PURPOSE: To evaluate the treatment results of low-dose-rate (LDR) and high-dose-rate (HDR) interstitial brachytherapy (ISBT) for T3 mobile tongue cancer. MATERIAL AND METHODS: Between 1974 and 1992, 61 patients with T3 mobile tongue cancer were treated with LDR ISBT using (192)Ir hairpins with or without single pins. In addition, between 1991 and 1999, 14 patients were treated with HDR ISBT. For nine patients treated with ISBT alone, the total dose was 59-94 Gy (median 72 Gy) within one week in LDR ISBT and 60 Gy/10 fractions/5 days in HDR ISBT. For 66 patients treated with a combination therapy of external beam radiotherapy (EBRT) and ISBT, the total dose was 12.5-60 Gy (median 30 Gy) of EBRT and 50-112 Gy (median 68 Gy) within 1 week in LDR ISBT or 32-60 Gy (median 48 Gy)/8-10 fractions/5-7 days in HDR ISBT. RESULTS: The 2- and 3-year local control rates of all patients were both 68%. The 2- and 3-year local control rates of patients treated with LDR ISBT were both 67%, and those with HDR ISBT were both 71%. The local control rate of patients treated with HDR ISBT was similar to those with LDR ISBT. CONCLUSIONS: ISBT for T3 mobile tongue cancer is effective and acceptable. The treatment result of HDR ISBT is almost similar to that of LDR ISBT for T3 mobile tongue cancer. 相似文献
2.
Jira Chindasombatjaroen Naoya Kakimoto Hironori Akiyama Kazuko Kubo Shumei Murakami Souhei Furukawa Mitsunobu Kishino 《Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics》2007,104(6):e52-e57
The calcifying cystic odontogenic tumor is a rare benign odontogenic lesion. This report documents a case of this lesion associated with odontoma arising from the anterior maxilla in a 14-year-old boy. The diagnosis was confirmed based on computerized tomography findings, which clearly depicted the internal structures obscured in conventional images. 相似文献
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OBJECTIVE: The purpose of this study is to determine the prevalence of radiographic presence of otomastoiditis while examining temporomandibular joint (TMJ) disorders in magnetic resonance images (MRI) in a series of 2270 temporomandibular joint magnetic resonance images and to examine the relationship between otomastoiditis and TMJ disorders. MATERIALS AND METHODS: 2270 temporomandibular joint magnetic resonance images and patients' data were retrospectively investigated. Magnetic resonance images were obtained from the patients who referred to Osaka University Dental Hospital Outpatient Clinic with TMJ complaints for the last four years (from January 1998 to January 2003). The patients, who were diagnosed as otomastoiditis based on their temporomandibular joint magnetic resonance images, were sent to Osaka University Hospital Department of Otolaryngology for a medical consultation in order to have their pathologies certified following their MR process. Age and sex were recorded for all patients and for otomastoiditis cases; location of the disease, symptoms of patients and TMJ findings were noted as well. RESULTS: Seven patients were diagnosed as acute otomastoiditis and one patient diagnosed as chronic active otitis media with cholesteatoma in the series of 2270 MR, which were representing a prevalence of 0.39%. Neurilemoma diagnosed in left mastoid process in one patient. The final diagnoses of all patients were made after medical consultation. CONCLUSION: While examining temporomandibular joint magnetic resonance images; it is not only important to examine just the TMJ structures, but also to look at the nearby anatomical features to check evidence for inflammatory disease. 相似文献
5.
Junko?TamakiEmail author Yuka?Uchiyama Kohei?Ozono Shoko?Gamoh Ching Che?Chang Chien Mitsunobu?Kishino Naoya?Kakimoto Shumei?Murakami Souhei?Furukawa 《Oral Radiology》2004,20(2):83-86
We encountered a case of schwannoma of the tongue in a 74-year-old man, who complained chiefly of contact pain in an ulcer in the left sublingual region. Although by computed tomography we could not differentiate the lesion as a cyst or tumor, with magnetic resonance (MR) imaging we diagnosed a benign tumor on the basis of lesion enhancement. Axial and coronal MR imaging revealed the three-dimensional location of the lesion. This case showed that enhanced MR imaging is useful for the differential diagnosis of a benign tumor in the oral cavity. 相似文献
6.
Masahiko YUKAWA Takahiro FUJIMORI Tomomi TABATA Tadahisa TERAMOTO Daisuke HIRAYAMA Kazuhiro SATONAKA Souhei KITAZAWA Sakan MAEDA Takane KOJIMA Kou NAGASAKO 《Digestive endoscopy》1991,3(3):378-381
Abstract: We studied a 57-year-old man who was diagnosed as having giant rugae at a mass-screening for gastric cancer. He was examined endoscopically for check-up purposes. In addition to giant rugal folds which occurred throughout the entire fundus and body of the stomach, a type IIc lesion was noted in the posterior lower wall of the gastric body. A biopsy revealed signet ring cell carcinoma. A total gastrectomy was performed. A resected specimen was serially sectioned and underwent histopathological examination; hypertrophy and cystic elongation of the gastric glands indicative of so-called giant hypertrophic gastritis was seen. The histological type of the type IIc lesion was undifferentiated adenocarcinoma with the signet ring cells being confined to the mucosal layer. This patient had a rare case of Menetrier's disease complicated by intramucosal carcinoma. 相似文献
7.
Daisuke HIRAYAMA Takahiro FUJIMORI Kazuhiro SATONAKA Tetsuya NAKAMURA Akinobu GOTOH Yoshio TOKUDA Tadahisa TERAMOTO Souhei KITAZAWA Mitsuzou HORIO Sakan MAEDA Mototsugu ARAO Kou NAGASAKO 《Digestive endoscopy》1991,3(1):16-24
Abstract: Specific types of early gastric cancer were investigated in accordance with the cancer surface area and the degree of penetration by means of quantitative measurements of the surface area of early gastric cancer using the interactive image analysis system. The results indicated a significant correlation between the surface area and the penetration depth in ordinary early gastric cancer. However these correlations were not observed in both well and poorly differentiated adenocarcinoma cases of the so-called PEN and SUPER types, which showed a significant specificity when compared with ordinary early gastric cancer. The PEN and SUPER types of early gastric cancer also exhibited various clinicopathological characteristics, and it was suggested that the poorly differentiated PEN type might be the initial lesion of a linitis plastica type gastric cancer. Examination of the conditions of the mucosa surrounding the cancer revealed a difference between the PEN and the SUPER types, and this suggested that the environment at the site of a cancer growth influences the type of growth and the spread of early gastric cancer. 相似文献
8.
MASAOMI CHINUSHI YOSHIFUSA AIZAWA HIROHIKO KUWANO HIROYUKI HOSONO HITOSHI KITAZAWA YORIKO KUSANO NAOKI NAITHO MAKOTO TAMURA AKIRA SHIBATA 《Pacing and clinical electrophysiology : PACE》1992,15(10):1460-1466
We performed radiofrequency current catheter ablation in two patients with nonischemic sustained ventricular tachycardia (VT). In one patient, two morphologically distinct VTs were induced by electrical stimulation. One showed right bundle branch block pattern and the other left bundle branch block pattern. The earliest site of activation during each VT was determined at the septum of the right ventricle. However, these two sites were close to the His-bundle elecfrogram recording area. In the other patient, a VT with a left bundle branch block pattern occurred spontaneously after the administration of isoproterenol. The earliest site of activation during VT was determined at the outflow tract of the right ventricle. During tachycardia, radiofrequency current ablation (40 W ± 30 sec) was delivered to the earliest site of activation, A few seconds after fulguration, each VT was terminated and additional radio-frequency currents were given near these sites. After the ablation, VT could not be induced by the electrical stimulations, nor did it recur. No side effects were observed and the atrioventricular conduction remained intact. We feel that nonischemic VTs could possibly be treated by using radiofrequency current catheter ablation. 相似文献
9.
Kotaro Suehiro MD Takato Hata MD Hidenori Yoshitaka MD Yoshimasa Tsushima MD Mitsuaki Matsumoto MD Souhei Hamanaka MD Makoto Mohri MD Satoru Ohtani MD Atsuki Nagao MD Toru Kojima MD 《General thoracic and cardiovascular surgery》2002,50(5):195-200
Objectives: Although Gelatin-Resorcin-Formalin (GRF) glue is widely used in surgery for acute aortic dissection, late complications possibly due to the glue, such as late aortic root redissection, have also been reported. We have experienced similar complications, some of which required redo surgeries, and these cases are reviewed.Methods: Twenty-six consecutive patients who underwent surgery for acute type A aortic dissection using GRF glue, from December 1996 to February 2001, were retrospectively studied, with a special focus on any late complications and any reoperation.Results: Of the 21 patients who survived and were followed as outpatients, false aneurysms were found in 5 patients (21%) at 24–42 (mean 34) months following the initial surgery. Of these, 2 patients required resternotomy because of the increasing aneurysm diameter. In both cases, the aortic root was redissected at the site of the GRF glue use where the anastomosis between the aortic root and the prosthesis had widely opened and had become the aneurysm entry point. Significant aortic regurgitation was noticed in 3 patients (14%, 1 of whom showed a false aneurysm), and 2 of these underwent reoperation for aortic root redissection.Conclusions: A high incidence of aortic root redissection with false aneurysm and/or aortic insufficiency was found following the surgery for acute aortic dissection using GRF glue. These patients should be carefully followed for years after surgery. 相似文献
10.
Stage I mantle-cell lymphoma that was difficult to differentiate from abdominal tuberculous lymphadenitis and metastatic pancreatic cancer 总被引:2,自引:0,他引:2
Yoneda S Yoshiji H Kuriyama S Kojima H Houki N Matsumoto S Nakajima Y Tsutsumi M Fukui H 《Journal of gastroenterology》2002,37(10):859-862
A 62-year-old Japanese man was referred to our hospital because of general fatigue. Abdominal ultrasonography and enhanced
computed tomography scanning revealed many enlarged lymph nodes, mainly around the pancreas tail and the hilus of the spleen.
Neither blood examination nor gallium scintigraphy revealed any abnormalities, whereas the diagnostic tuberculin test was
strongly positive. Because we could not reach a final diagnosis, an exploratory laparotomy was performed. Histopathological
examination revealed mantle-cell lymphoma. After chemotherapy combined with radiotherapy, the lymph-node swelling had disappeared.
Herein, we report this case of stage-I mantle cell lymphoma that was difficult to differentiate from metastatic pancreatic
cancer and abdominal tuberculous lymphadenitis.
Received: January 9, 2001 / Accepted: July 6, 2001
Reprint requests to: H. Yoshiji 相似文献