日本口腔外科学会雑誌
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
44 巻, 3 号
選択された号の論文の17件中1~17を表示しています
  • 特に胸肩峰動脈胸筋枝について
    笠原 清弘, 野間 弘康, 柴原 孝彦
    1998 年 44 巻 3 号 p. 273-291
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    The aim of this study was to examine the distribution of pectoral vascularization in Japanese and there by establish a safe method for obtaining a pectoralis major musculocutaneous flap. The authors investigated the distribution of the pectoral branch in the pectoralis major muscle of Japanese.
    Forty-seven fixed and four non-fixed cadavers that were kept by the Department of Anatomy, Tokyo Dental College were used.
    The origin of the pectoral branch generally corresponded to the medial border of the pectoralis minor muscle, suggesting that this site could be used as the reference point designating the base of a vascular pedicle. The origin of the pectoral branch was sometimes shared by other branches, requiring the operator's attention when preparing a vascular pedicle. The distribution of the main pectoral branch varied greatly, suggesting that it is necessary to design different vascular pedicles to take each pattern into account. The reference point (point O) was established to predict the inlet point or the end of the vascular pedicle where the pectoral branch entered the pectoral muscle. All inlet points were found within a radius of 20 mm of the reference point (point O). This finding should prove useful in designing vascular pedicles. The main pectoral branch was found in the upper medial side of the papilla, and ran almost parallel to the muscle fibers inside the pectoral muscle. It was suggested that this finding may be useful in setting the flap. Via the back side and the lateral border of the pectoralis minor muscle, the main pectoral branch was seen on the back of the pectoralis major muscle. Consequently, there were some cases in which usual vascular pedicle formation was anatomically impossible.
  • 内田 育宏, 小宮 善昭, 吉田 俊一
    1998 年 44 巻 3 号 p. 292-302
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    A cohort survey of the occurrence of multiple primary cancers was carried out in patients with oral cancer (n=310) at Tokyo Metropolitan Komagome Hospital. The subjects consisted of 203 males and 107 females.
    The incidence of multiple primary cancers over the course of 20 years (1976 to 1996) was 18.4%(n=57).
    Among 57 multiple primary cancers, 44 primary oral cancers, (77.2%) occurred in the oral cavity, and the specific sites were the tongue (19), gingiva (10), buccal mucosa (7), floor of the mouth (5), soft palate (2), and lip (1).
    Multiple primary cancers occurred frequently in the esophagus (12), stomach (8), lung (6), hypopharynx (2) in males and in the uterus (3) in females.
    In esophageal cancer, the O/E ratio of male patients was significantly higher, than that in females, differing by a factor of 39.61 times.
    In males, primary occurrence in elderly patients was associated with a short period until the occurrence of a second cancer, The development of a second cancer reguired a longer period in younger patients than in older patients, i. e., 4.5 years for 40 years old, 3.3 years for 50 years old, 2.5 years for 60 years old, 1.9 years for 70 years old, and 1.7 years for 80 years old.
  • 特に基底細胞母斑症候群と非症候群との比較
    重松 久夫, 鈴木 正二, 岡田 宗久, 山本 信也, 塩野谷 暢利, 大須賀 敏, 小山 典子, 藤田 訓也
    1998 年 44 巻 3 号 p. 303-310
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    We clinically and histopathologically analyzed 49 odontogenic keratocysts (OKCs), including 6 recurrent cysts. Twenty-five OKCs from 5 patients with the basal cell nevus syndrome (BCNS) were compared with 24 single OKCs (non-BCNS group). There were some differences between BCNS and non-BCNS cysts.
    At the time of initial diagnosis, the patients ranged in age from 14 to 73 years (mean age, 39.7 years) in the non-BCNS group, as compared with 6 to 23 years (mean age, 15.6 years) in the BCNS group. There was a slight male predominance (male-to-female ratio, 2: 1) in the non-BCNS group, but not in the BCNS group. The most common cyst sites were the mandibular molar region and the ramus of the mandible. Cysts in the maxilla were rare (13.6%) in the non-BCNS group, but not rare (38.1%) in the BCNS specimens.
    On the basis of the radiographic appearance of the 43 cases without recurrence, the cyst was unilocular in 59.1% of the non-BCNS group and 71.4% of the BCNS group. Six OKCs (27.3%) in the non-BCNS group were associated with an impacted tooth. In the BCNS group, 17 OKCs (81%) were associated with an impacted tooth.
    Enucleation followed by mechanical curettage with a round bar was performed for 38 primary cysts, and 6 recurrences were noted. Three of the 11 cysts that occurred in the maxilla were treated by enucleation by the Caldwell-Luc operation, and none of them recurred. Two multilocular extensive cysts were managed by hemimandiblectomy, and no recurrence was noted. In total, there were 6 cases of recurrent OKCs after the first operation. The recurrence rate was 9 % in the non-BCNS group and 19% in the BCNS group. The average interval until recurrence was 3 years 6 months in the non-BCNS group and 8 years in the BCNS group. Histopathologically, the presence of epithelial islands or daughter cysts in the cyst wall correlated with recurrence in BCNS cases, but not in non-BCNS cases.
  • 千葉 雅俊, 熊谷 正浩, 桜田 素雪, 幸地 省子, 越後 成志
    1998 年 44 巻 3 号 p. 311-317
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    The most common direction of temporomandibular joint (TMJ) disc displacement is anterior. Anterior disc displacement is associated with lateral or medial disc displacement, termed rotational disc displacement (RDD). There have been few systematic studies of the clinical and magnetic resorarce imaging (MRI) findings of TMJs with RDD.
    The aim of this study was to assess the prevalence of RDD and to evaluate the relations between the direction of disc displacement (anteromedial RDD, anterolateral RDD, and pure anterior disc displacement) and clinical findings, including joint pain, joint sound, and range of motion, as well as MRI findings, including disc shape, disc reduction, disc mobility, degree of disc displacement, bone changes of the condyle, and degree of condylar translation. The study was based on MRI of 529 TMJs in 409 patients with symptoms and signs of TMJ. Sagittal and coronal T 1-weighted SE images (1.5 Tesla) were used.
    MRI showed anteromedial RDD in 96 joints (18.1%), anterolateral RDD in 64 joints (12.1%), and anterior disc displacement in 207 joints (39.1%). There were no statistical differences between anterolateral RDD, anteromedial RDD, and anterior disc displacement with regard to clinical findings. The incidence of reducible disc was higher in anterolateral RDD than in anteromedial RDD or anterior disc displacement. The incidence of bone changes was lower in anterolateral RDD than in anterior disc displacement. There were no significant differences between anteromedial RDD and anterior disc displacement with regard to MRI findings.
    In conclusion, anteromedial RDD may represent the same clinical entity as anterior disc displacement, but it remains unclear whether or not anterolateral RDD differs from anteromedial RDD or anterior disc displacement.
  • 高田 真仁, 柴田 桂子, 芳澤 享子, 野村 務, 新垣 晋, 中島 民雄, 加藤 徳紀
    1998 年 44 巻 3 号 p. 318-320
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    We Clinically analyzed 24 patients with squamous cell carcinoma of the floor of the mouth, comprising 10.8% of 222 patients with head and neck carcinoma treated between 1975 and 1996. The patients consisted of 22 males and 2 females with a mean age of 62 years. There were 5 stage II patients (20.8%), 7 stage III patients (29.2%), and 12 stage IV patients (50.0%). Initial treatment consisted mainly of surgery in 10 patients (41.7%), a combination of surgery and radiotherapy in 7 patients (29.2%), radiotherapy in 4 patients (16.6%), and chemotherapy in 3 patients (12.5%). The 5-year survival rate calculated by the Kaplan-Meier method was 67.2% for the entire group of 24 patients. The outcome was not good in patients with advanced tumors and tumors showing diffuse invasion.
  • 竹田 宗弘, 木村 哲雄, 浜口 裕弘, 阪井 丘芳, 西村 則彦
    1998 年 44 巻 3 号 p. 321-323
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Primary squamous cell carcinoma in the parotid gland is quite rare, particularly in young woman.
    This paper reports a case of primary squamous cell carcinoma in the parotid gland of a 21-year-old woman. The patient's chief complaint was a mass in the left parotid region and paralysis of the left part of the lower lip.
    Our clinical diagnosis was a malignant tumor of the parotid gland (T 2 bN 1 MO). Just before operation, a pathological investigation of a biopsy specimen showed that the lesion was squamous cell carcinoma. We performed total neck dissection with total parotidectomy. After the operation, the patient was given adjuvant chemotherapy (cisplatin+5-FU+leucovorin).
    There has been no local recurrence or cervical lymph node, metastasis as of 5 years 2 months after the operation.
  • 中原 寛和, 北村 龍二, 藤本 佳之, 富永 仰, 白砂 兼光, 松矢 篤三
    1998 年 44 巻 3 号 p. 324-326
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Small cell carcinoma arising in the submandibular gland is extremely rare, although this tumor is a common pulmonary neoplasm. A 46-year-old Japanese man presented with swelling of the left submandibular region. Histopathological examination of a biopsy specimen showed the presence of small cell carcinoma. Radiographic examination revealed no evidence of tumor except for the left submandibular gland. The tumor was resected along with tissue surrounding the submandibular gland. Electron microscopy showed small cell carcinoma without neurosecretory granules, supporting a salivary gland origin of the tumor. The patient had a fairly good prognosis, with no evidence of local recurrence or metastasis.
  • 免疫組織化学的検討
    金子 裕之, 山口 達雄, 片海 裕明, 扇内 秀樹, 村松 敬
    1998 年 44 巻 3 号 p. 327-329
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Epithelial-myoepithelial carcinoma (EMC) comprises approximately 1% of all salivary gland tumors. EMC generally occurs in the parotid gland; EMC arising in the minor salivary gland is extremely rare.
    We present a rare case of EMC arising in the minor salivary gland. A 54-year-old woman visited our hospital because of swelling of the left side of the soft palate.
    The clinical diagnosis was a salivary gland tumor. The tumor was resected under local anesthesia on June 18, 1994. Pathologically, the tumor was composed of two-layer duct-like structures formed by an outer layer of clear cells and an inner layer of epithelial cells, as well as by solid clear cells and spindle-shaped cells. Immunohistochemically, these clear cells showed positive reactivity for S-100 protein, HHF35 (actin), glial fibrillary acidic protein (GFAP), and vimentin. The inner epithelial cells reacted with polyclonal keratin, epithelial membrane antigen (EMA), amylase, and secretory component (SC). The results indicate that the tumor had on epithelial-myoepithelial origin as reported previously by others. The patient had a good prognosis, and there has been no evidence of local reccurrence or distant metastasis as of 3 years after operation.
  • 和田 重人, 古田 勲, 小野 繁, 岩井 正行, 佐渡 忠司
    1998 年 44 巻 3 号 p. 330-332
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    A 34-year-old man was referred to our clinic because of a slowly glowing, painless mass of the right parotid region. Magnetic resonance imaging and computed tomographic scanning confirmed that the tumor occupied the parapharyngeal space from the skull base to the submandibular region. The tumor was resected via a cervical approach, preserving the facial nerve. During operation, the tumor was found to extend to the skull base and the inside of the mastoid process and to continue to the deep lobe of the parotid gland. The resected tumor had a typical dumbbell shape and measured 55×45×25 mm. Histological examination of the tumor revealed a pleomorphic adenoma with epithelial cells in a matrix of myxomatous or chondroid tissue. In this case, it appeared that a tumor derived from the deep lobe of the parotid gland extended to the skull base.
  • 中村 卓史, 中原 寛和, 小倉 孝文, 北村 龍二, 吉岡 秀郎, 松矢 篤三
    1998 年 44 巻 3 号 p. 333-335
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Centrally occurring pleomorphic adenoma of the maxilla is extremely rare, although this tumor is the most common neoplasm involving both the major and minor sali-vary glands. A 32-year-old Japanese woman presented with gingival swelling of the left molar region of the maxilla. After oral and radiographic examinations, the tumor was resected with part of the maxilla under the clinical diagnosis of ameloblastoma. Microscopic examination showed that the tumor centrally occurred in the maxilla. Histopathological examination of a surgical specimen showed a benign pleomorphic adenoma. After surgery, the patient had a fairly good prognosis, with no evidence of local recurrence.
  • 小宮 正道, 青島 史尚, 西村 均, 秋元 芳明, 福本 雅彦, 山本 浩嗣
    1998 年 44 巻 3 号 p. 336-338
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Malignant fibrous histiocytoma (MFH) is a sarcoma that occurs mainly in the soft tissues of the limbs. There are few reports of MFH in the oral region. The diagnosis of MFH is sometimes difficult, because the histopathological characteristics are pleomorphic.
    We report a case of MFH of the right maxillary gingiva in a 45-year-old woman in whom differential diagnosis was difficult.
  • 高橋 晃治, 吉澤 信夫, 安川 和夫, 遠藤 裕一, 江良 謙次, 柴田 考典
    1998 年 44 巻 3 号 p. 339-341
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    A case of primary malignant melanoma of the tip of the tongue in a 60-year-old man is described with histological documentation of junctional activity at the periphery of the tumor. After chemotherapy (DTIC 150mg, ACNU 100mg, VCR 1 mg) the patient underwent bilateral neck dissection with partial glossectomy. However, he died of liver metastasis about 1 year after the first examination. A review of the literature in Japan revealed only four previously reported cases of malignant melanoma of the tongue.
  • 本田 康生, 大関 悟, 大部 一成, 後藤 圭也, 吉浦 一紀, 大石 正道
    1998 年 44 巻 3 号 p. 342-344
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Benign symmetric lipomatosis (BSL) is a rare disease characterized by symmetrical deposition of adipose tissue in the neck and upper trunk. We report two cases of BSL of the tongue with deposition of adipose tissue in bilateral lesions. The patients were a 66-yearold man and a 78-year-old man. Both patients showed symmetrical infiltration of adipose tissue into the muscle layer and had alcoholic liver dysfunction. We investigate and discuss the clinical, pathological, and radiological findings.
  • 森田 保久, 領家 和男, 高橋 啓介, 加納 聡, 由良 徹也, 小谷 勇, 須藤 昌紀, 岡本 和己
    1998 年 44 巻 3 号 p. 345-347
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    We report a case of Wegener's granulomatosis (WG) occurring in the gingiva, nasal cavity, and lung. The patient was a 42-year-old man who presented with painful gingival swelling. A definitive diagnosis of WG was made by biopsy of the gingiva, nasal mucosa, and lung. Immunosuppressants and steroids were very effective against painful swelling of the gingiva, lung, and nasal cavity. As WG easily worsens and recurs in the presence of infection, oral infection must be eliminated and prevented. We effectively controlled WG by active management of gingivitis and periodontitis in addition to administration of immunosuppressants and steroids.
  • 加納 欣徳, 杉浦 正幸, 杉本 綾, 小木 信美, 古川 博雄, 榊原 惇郎
    1998 年 44 巻 3 号 p. 348-350
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Actinomycosis is a specific type of inflammation that has become rare since the advent of antibiotics. We report a case of cheek actinomycosis caused byActinomyces meyeri (A. meyeri), which we encountered recently.
    A 52-year-old man was carried by ambulance to our department because of left cheek swelling, pain, and poor general condition. After a computed tomographic scan, surgical drainage was performed. OnlyA. meyeriwas isolated from the pus. After isolation, high-dose penicillin G therapy (8 million units/day for 17 days intravenously and 6.4 million units/day for the following 4 weeks by orally) was given. Cure was achieved without any granulomatous lesions.
  • 大須賀 敏, 鈴木 正二, 武山 治雄, 山本 信也, 岡田 宗久, 藤田 訓也
    1998 年 44 巻 3 号 p. 351-353
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    This case report describes the surgical plastic reconstruction of the lips and an enlarged aperture of the mouth in an 8-year-old Japanese girl who was given a diagnosis of Freeman-Sheldon syndrome.
    In this patient, it was difficult to decide where to make the incision in the myopathic orbicularis oris muscle and there by positively affect the future morphology and function of the lips. The operation was performed to obtain sufficient intercommissural distance of the lips, and care was taken to prevent ptosis of both commissures of the lips.
    At present, 6 years after the operation, the outcome is generally satisfactory with respect to the function of mouth opening. However, the patient still lacks a complete or sufficient lip shield, and the upper incisors have gradually become exposed.
    Lateral cephalogram analysis conducted 6 years postoperatively indicated that the upper incisiors had inclined labially and the lips had moved forward. These changes due to plastic correction apparently led to reduced lip pressure against the upper incisors.
  • 酒巻 裕之, 鯨岡 裕晃, 関 睦弘, 根間 隆, 鶴見 徹, 秋葉 正一
    1998 年 44 巻 3 号 p. 354-356
    発行日: 1998/03/20
    公開日: 2011/07/25
    ジャーナル フリー
    Tampons are employed in maxillary sinus operations to prevent postoperative bleeding. In this paper, we report the effectiveness of the use of a maxillary sinus balloon (balloon) made by condoms during surgery of the maxillary sinus. We confirmed that the balloon had good tissue contact by postoperative computed tomographic scan. During the 17 years from April 1978 through March 1995, 204 patients underwent sinus operations for postoperative maxillary cyst, chronic odontogenic maxillary sinusitis, and radicular cyst or follicular cyst in the maxillary sinus at the department of dentistry and oral surgery, Asahi General Hospital. The clinical features of cases using balloon, gauze tampon, or Spongel®were reviewed and analyzed. The average duration of balloon insertion (4.4 days)was shorter than that of gauze tampon (6.0 days)(P<0.01). Postoperative spontaneous pain occurred at a rate of 33.3% with gauze tampon, 30.0% with Spongel®, and 17.3% with balloon. Among 70 cases using Spongel®, postoperative bleeding requiring hemostasis and infection occurred in 2 cases each. The balloon was easy and painless to remove. We considered balloon made by condoms to be useful as a tampon in operations of the maxillary sinus.
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