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Volume 59, Issue 1
Displaying 1-11 of 11 articles from this issue
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Preface
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[in Japanese]2013 Volume 59 Issue 1 Pages 1-2
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSDownload PDF (318K)
Invited review article
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Hiroshi HARADA2013 Volume 59 Issue 1 Pages 3-8
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSThe author summarized herein contents of the lecture entitled "Basis of pathological diagnosis" performed in 37th and 38th educational meeting, and discussed on practical problems all through the procedure from sampling or specimen preparation to microscopic observation. Clinicians and pathologists should make best efforts in corporation to obtain ever more appropriate pathological diagnosis. By performing appropriate treatment based on correct diagnosis, medicine is expected to make a steady and continuing progress in oral region too.View full abstractDownload PDF (687K)
Case reports
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Yoshihiro TAKAHASHI, Junpei YAMAGATA, Yuki KANZAKI, Tatsuyuki KOUNO, R ...2013 Volume 59 Issue 1 Pages 9-13
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSMandibular reconstruction with the use of heat-treated bone is reported. The patient was a 35-yearold woman with odontogenic myxoma of the mandible. The tumor was distributed throughout the mandibular body, and a mandibulectomy was carried out from 36 to 46. The resected bone segment was treated in physiological saline solution at 80℃ for 30 minutes by pasteurism after removing the alveolar process and intraosseous tumor tissue. The marrow space of the treated bone was filled with bone fragments harvested from the ileum, and the bone was then replanted into the defect of the mandible. The postoperative course has been uneventful for 3 years, with neither recurrence of the tumor nor resorption of the bone grafts.View full abstractDownload PDF (568K) -
Tokutaro MINAMIZATO, Takako KAWASAKI, Takeshi SHIRAISHI, Shuichi FUJIT ...2013 Volume 59 Issue 1 Pages 14-17
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSAbstract: Adenomatoid hyperplasia of the minor salivary glands is a rare, benign, non-neoplastic, noninflammatory enlargement of the minor salivary glands. This disorder was first described by Giansanti et al. in 1971. Because most cases clinically arise in the palate, the lesions are often misdiagnosed as a salivary gland tumor, but show normal salivary gland tissue with high-density hyperplasia of mucinous acinus histopathologically. We report a case of adenomatoid hyperplasia of the palatal minor salivary gland in a 10-year-old girl. The provisional clinical diagnosis was a benign salivary gland tumor, because radiography of the region revealed obvious bone resorption. The mass was excised under general anesthesia, and the specimen was diagnosed as adenomatoid hyperplasia of the minor salivary gland on histopathological examination. Currently, 1 year after surgery, the patient has made favorable progress with no recurrence.View full abstractDownload PDF (450K) -
Masatsugu YOSHIDA, Naohiro SHIBAYAMA, Eiji KONDO, Jyunya OGAMI, Masano ...2013 Volume 59 Issue 1 Pages 18-22
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSThis report presents a case of chronic mandibular dislocation treated by conservative reduction in a patient who was receiving anticoagulant therapy. The patient was a 65-year-old woman who was referred to the Department of Oral and Maxillofacial Surgery in Asahikawa Medical University for the treatment of chronic mandibular dislocation. Chronic mandibular dislocation had developed during hospitalization for cardiogenic embolism. Since the patient's physician recommended us to continue anticoagulation therapy, we decided to perform conservative reduction by lever action, using intraoral blocks with built-up heels and elastic traction. Because the patient was edentulous, we innovated on past reports of conservative reduction by lever action using teeth. Eleven days after treatment, the reduction was successful, and the jaws were stable. By 1 year after treatment, there was no recurrent dislocation, and the outcome was good.View full abstractDownload PDF (540K) -
Takahiro KANNO, Shintaro SUKEGAWA, Yuka TAKAHASHI, Yoshihiko FURUKI2013 Volume 59 Issue 1 Pages 23-27
Published: January 30, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSPanfacial fractures are rare in children. A 9-year-old boy was transferred to the Emergency and Critical Care Center of our hospital with a Glasgow Coma Scale score of 14. He had panfacial and knee fractures due to a hit-and-run traffic accident. He was referred to the Oral and Maxillofacial Surgery division after primary examination, and facial computed tomography showed Le Fort I/II midface fractures and mandibular symphyseal fractures, as well as multiple luxations of the maxillary and mandibular teeth. He presented with dyspnea, continuous intraoral hemorrhage, and swelling of the oral floor. Emergent intubation was performed under intranasal endoscopic guidance, followed by open reduction and internal fixation and the replantation of some luxated intact permanent teeth under general anesthesia. After 3 days, the endotracheal tube was safely removed. A soft diet was initiated soon after discharge from the intensive care unit on the fourth postoperative day. Since clinical examinations confirmed complete bone union, a sound structure, and root growth in the replanted teeth, the internal fixation plates were removed 5 months after placement. The satisfactory re-establishment of the facial skeleton and recovery of ophthalmological and intraoral functions were achieved. This good outcome has been maintained for 9 months after the injury.View full abstractDownload PDF (555K) -
Kazuhiro KAWAMURA, Yoshihiro TAKAHASHI, Kenji KAWANO2013 Volume 59 Issue 1 Pages 28-32
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSWe report a case of metastatic cervical adenocarcinoma of an unknown primary site in a 70-year-old man who had undergone resection of squamous cell carcinoma of the left lower gingiva 4 years previously. For a diagnosis of delayed lymph node metastasis from gingival carcinoma, radical neck dissection was performed to treat the enlarged node in the left submandibular area. The histopathological diagnosis was metastatic adenocarcinoma of the lymph node. Endoscopic examination and blind biopsy of the pharynx and larynx, PET-CT, and whole body CT were done, but the primary organ was not identified. There has been no evidence of recurrence of either carcinoma for 7 years since neck dissection, and the origin of the nodal metastatic adenocarcinoma has not been discovered.View full abstractDownload PDF (649K) -
Masayuki MIYAMOTO, Kensuke KAWADA, Chika KOYAMA, Akira FUJIMOTO, Yoshi ...2013 Volume 59 Issue 1 Pages 33-37
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSGiant cell arteritis (GA) is a rare disease among Japanese, and the cause is unknown. There are no previous reports of bilateral GA along the facial arteries. This report presents the case of a 69-year-old woman who was referred to this department because of swelling and intense pain in both cheeks. Antibiotics and nonsteroidal anti-inflammatory drugs were administered for 1 week, but the clinical symptoms worsened. The results of blood examinations and a CT scan suggested that the patient had arteritis, and treatment with 10 mg/day prednisolone was initiated. Then, swelling and pain developed along the temporal artery, and a 3D-CT angiogram of the head was taken. It showed mild linearization and variations in the diameter of both superficial temporal arteries. A biopsy of the temporal artery was then performed, and the histopathological diagnosis was GA. GA is often difficult to diagnose because of the wide range of general symptoms. However, it is important to diagnose and treat GA as soon as possible, because delayed diagnosis and treatment may result in blindness in severe cases involving the ophthalmic artery. GA should therefore be included in the differential diagnosis in patients with swelling and intense pain in the maxillofacial region despite treatment with antibiotics and nonsteroidal anti-inflammatory drugs.View full abstractDownload PDF (530K) -
Aya KAWAMATA, Takayuki YAMADA, Miho SUZUKI, Yasuyuki MICHI, Narikazu U ...2013 Volume 59 Issue 1 Pages 38-42
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSAmyloidosis, a metabolic disease resulting from extracellular accumulation of insoluble fibrillar protein, causes functional disorders by depositing amyloid in internal organs. Amyloidosis is classified into systemic disease, in which amyloid is deposited in all internal organs, and localized disease, in which deposition is limited to certain internal organs.
We present a rare case of localized nodular amyloidosis of the sublingual gland. A 66-year-old woman presented to our department because of swelling of the left side of the oral cavity floor in November 2010. We observed an elastic, soft, painless mass located in the left side of the oral cavity floor. Magnetic resonance imaging revealed a well-defined mass in the left sublingual gland. Clinically, we suspected a sublingual gland tumor. As the mass might not disappear, we resected the sublingual gland under general anesthesia in April 2011. The histological diagnosis was amyloidosis. Since amyloidosis can overlap with multiple myeloma and other systemic illnesses, we requested systemic scanning by the departments of medicine and rheumatology, but no systemic abnormalities were detected. Thus, we diagnosed localized nodular amyloidosis of the sublingual gland. As of approximately 14 months postoperatively, there has been no evidence of recurrence.View full abstractDownload PDF (548K) -
Yumi EZAKI, Yasuyuki SHIBUYA, Hiroaki SUZUKI, Takahide KOMORI2013 Volume 59 Issue 1 Pages 43-47
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSMixed connective tissue disease (MCTD) was defined in 1972 by Sharp et al. as a connective tissue disorder characterized by overlapping features of systemic lupus erythematosus (SLE), progressive systemic sclerosis (PSS), and high titers of anti U1-ribonucleoprotein (RNP) antibody. In this report, a case of MCTD associated with temporomandibular joint (TMJ) disturbances is described. The patient was a 30-year-old woman who was given a diagnosis of MCTD 7 years previously. At the first visit, the amount of mouth opening was about 24 mm, with jaw opening pain, palpation tenderness of the TMJ and masseter muscle tenderness on both sides. She also had a habit of chewing on one side. MRI revealed deformity of the condyles, bilateral anterior disc displacement without reduction, and related findings. She was treated by conservative methods, including muscle relaxants, massage, jaw-opening training, eliminating bad habits, and a stabilization splint. During treatment, the symptoms improved gradually except for trismus, which continues at present. If it is therefore necessary for her to receive conservative therapy hereafter.View full abstractDownload PDF (497K) -
Morihiko TAKASHIMA, Tetsuji KAWAKAMI, Tomohiro INOUE, Kotaro INAGAKE, ...2013 Volume 59 Issue 1 Pages 48-52
Published: January 20, 2013
Released on J-STAGE: November 26, 2014
JOURNAL FREE ACCESSWe report a case of long-standing bilateral anterior dislocation of the temporomandibular joint (TMJ) with mandibular bone exposure at the submental region.
A 83-year-old woman was referred to our department for further evaluation and treatment of bilateral anterior dislocation of the TMJs. Clinical and radiographic examinations showed bilateral anterior dislocation of the TMJs, and the patient was treated by manual repositioning of both TMJs, However, the treatment result was incomplete. Then, open reduction by a preauricular temporal approach was performed with the patient under general anesthesia.
Finally, a Dautrey procedure with Piezosurgery®, joint arthroplasty, eminoplasty of the TMJ, and transplantation of a double pedicle flap for a decubitus ulcer in the submental region were performed. Since dislocation recurred after surgery, maxilomandibular fixation was needed. The postoperative course was good, and no recurrence has occurred as of 9 months after operation.View full abstractDownload PDF (554K)
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