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Author Hiroyoshi Iguchi

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Prognostic significance of pretreatment 18F-fluorodeoxyglucose positron emission tomography evaluation using metabolic tumor volume of the primary tumor and lymph nodes in advanced hypopharyngeal cancer.

Eiichiro Okazaki, Joji Kawabe, Masahiro Oishi, Masako Hosono, Shigeaki Higashiyama, Yuichi Teranishi, Susumu Shiomi, Hiroyoshi Iguchi, Yukio Miki,

<h4>Background</h4>The purpose of this study was to retrospectively evaluate the usefulness of pretreatment positron emission tomography (PET) using metabolic tumor volume (MTV) of the primary tumor and lymph nodes in advanced hypopharyngeal cancer.<h4>Methods</h4>From June 2007 to December 2015, consecutive patients with advanced hypopharyngeal cancer who underwent PET and were treated ... Read more >>

Head Neck (Head & neck)
[2019, 41(3):739-747]

Cited: 1 time

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Cystic lesions of the parotid gland: radiologic-pathologic correlation according to the latest World Health Organization 2017 Classification of Head and Neck Tumours.

Hirotaka Takita, Tohru Takeshita, Taro Shimono, Hiroko Tanaka, Hiroyoshi Iguchi, Shigeo Hashimoto, Yuko Kuwae, Masahiko Ohsawa, Yukio Miki,

The latest World Health Organization 2017 Classification of Head and Neck Tumours includes a new chapter on tumors and tumor-like lesions of the neck and lymph nodes. Tumor-like lesions include a variety of cystic lesions of the parotid gland. Cystic lesions of the parotid gland can be divided into three ... Read more >>

Jpn J Radiol (Japanese journal of radiology)
[2017, 35(11):629-647]

Cited: 3 times

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Efficacy and toxicity profiles of two chemoradiotherapies for stage II laryngeal cancer - a comparison between late course accelerated hyperfractionation (LCAHF) and conventional fractionation (CF).

Eiichiro Okazaki, Naoki Matsushita, Mari Tashiro, Yasuhiko Shimatani, Kentaro Ishii, Masako Hosono, Masahiro Oishi, Yuichi Teranishi, Hiroyoshi Iguchi, Yukio Miki,

<h4>Objective</h4>To evaluate the treatment results of late course accelerated hyperfractionation (LCAHF) compared with conventional fractionation (CF) for stage II laryngeal cancer.<h4>Methods</h4>Fifty-nine consecutive patients treated for stage II laryngeal cancer were retrospectively reviewed. Thirty-two patients underwent LCAHF, twice-daily fractions during the latter half with a total dose of 69 Gy. Twenty-seven patients ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2017, 137(8):883-887]

Cited: 2 times

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Neutrophil-lymphocyte ratio and platelet-lymphocyte ratio as predictors of wound healing failure in head and neck reconstruction.

Yoko Maruyama, Keita Inoue, Keita Mori, Katsuya Gorai, Ryo Shimamoto, Tetsuro Onitsuka, Hiroyoshi Iguchi, Mutsumi Okazaki, Masahiro Nakagawa,

<h4>Conclusions</h4>In microsurgical head and neck reconstruction, a higher rate of post-operative wound complication could be predicted by a lower pre-operative neutrophil ratio (< 64.9%), neutrophil-lymphocyte ratio (NLR) (< 3.5), and platelet-lymphocyte ratio (PLR) (< 160).<h4>Objectives</h4>To evaluate the predictor of post-operative wound complications in microsurgical head and neck reconstruction.<h4>Methods</h4>Patients who were undergoing tumor ablation ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2017, 137(1):106-110]

Cited: 9 times

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Clinical Study of Extrapulmonary Head and Neck Tuberculosis: A Single-Institute 10-year Experience.

Masahiro Oishi, Sachimi Okamoto, Yuichi Teranishi, Chieko Yokota, Sakurako Takano, Hiroyoshi Iguchi,

Introduction Although the incidence of tuberculosis (TB) in Japan has been decreasing yearly, Japan remains ranked as an intermediate-burden country for TB. Objective This study aims to investigate the current situation of head and neck extrapulmonary TB (EPTB) diagnosed in our department. Methods We retrospectively reviewed the clinical records of 47 patients diagnosed ... Read more >>

Int Arch Otorhinolaryngol (International archives of otorhinolaryngology)
[2016, 20(1):30-33]

Cited: 2 times

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Results of surgery plus postoperative radiotherapy for patients with malignant parotid tumor.

Shogo Matsuda, Hiroyoshi Iguchi, Takuhito Tada, Masako Hosono, Masahiko Osawa, Yuuko Kuwae, Hideyuki Morimoto, Eiichiro Okazaki, Kosuke Amano, Yoshitaka Miki, Shinichi Tsutsumi, Yasuhiko Shimatani, Yukio Miki,

<h4>Purpose</h4>The latest version of the World Health Organization (WHO) histologic classification of salivary gland malignancies was published in 2005. To contribute to data accumulation on the basis of this latest version, a retrospective study was performed.<h4>Materials and methods</h4>Participants comprised 27 patients who underwent postoperative radiotherapy between 2000 and 2013. Two, ... Read more >>

Jpn J Radiol (Japanese journal of radiology)
[2015, 33(9):533-537]

Cited: 5 times

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Site-specific analysis of B-cell non-Hodgkin's lymphomas of the head and neck: A retrospective 10-year observation.

Sakurako Takano, Naoki Matsushita, Masahiro Oishi, Sachimi Okamoto, Yuichi Teranishi, Chieko Yokota, Hiroyoshi Iguchi,

<h4>Conclusion</h4>B-cell non-Hodgkin's lymphoma (B-NHL) in the head and neck most commonly affected the oropharynx and the cervical lymph node in sexagenarian patients, with more than 70% of these cases being diffuse large B-cell lymphoma (DLBCL). Accordingly, B-NHL should be considered one of the most important differential diagnoses of head and ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2015, 135(11):1168-1171]

Cited: 5 times

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Practical 3DCT imaging of the vestibular aqueduct for Meniere's disease.

Hideo Yamane, Kazuo Konishi, Hiramori Sakamaoto, Hidefumi Yamamoto, Naoki Matsushita, Masahiro Oishi, Hiroyoshi Iguchi, Yuichi Inoue,

<h4>Conclusion</h4>Radiographic visualization of the vestibular aqueduct (VA) from a lateral inside view was effective in assessing patients with Meniere's disease (MD). There were no VA shapes specific to MD on radiography, except for an obliterated VA. This technique could yield more accurate images and functional assessment of the VA for ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2015, 135(8):799-806]

Cited: 6 times

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Dynamic eye socket reconstruction after extensive resection of midfacial malignancies: preliminary results using temporalis transfer.

Hisashi Motomura, Hiroyoshi Iguchi, Takaharu Hatano, Rie Kobayashi, Daisuke Sakahara, Naho Fujii, Mari Mineo,

The functional and esthetic results of reconstructive surgery after extended total maxillectomy or extended orbital exenteration greatly depend on the quality of the orbital reconstruction. We developed dynamic eye socket reconstruction using temporalis transfer to achieve good orbital reconstruction, and examined the usefulness of our technique. Five patients (three men ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2014, 134(11):1205-1210]

Cited: 1 time

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A clinical study of malignant tumors of Stensen's duct.

Naoki Matsushita, Hiroyoshi Iguchi, Tadashi Wada, Masahiro Oishi, Yuichi Teranishi, Hideo Yamane,

<h4>Conclusion</h4>Malignant tumors of Stensen's duct are often squamous cell carcinomas. Surgery is the treatment of choice, and maintaining an adequate safety margin and performing parotidectomy may help to reduce postoperative recurrence.<h4>Objectives</h4>Since malignant tumors of Stensen's duct are extremely rare, the number of cases is limited in single-facility studies, making it ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2015, 135(3):290-294]

Cited: 1 time

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Three-dimensional cone beam computed tomography imaging of the membranous labyrinth in patients with Meniere's disease.

Hideo Yamane, Hiroyoshi Iguchi, Kazuo Konishi, Hiramori Sakamaoto, Tadashi Wada, Takanori Fujioka, Naoki Matsushita, Toshio Imoto,

<h4>Conclusion</h4>Three-dimensional cone beam computed tomography (3DCT) images revealed characteristic malformations of the membranous labyrinth of the inner ear in Meniere's disease (MD). The morphology of the membranous region between the vestibular cecum of the cochlea and the saccule of ears with MD was compared to that of healthy ears. The ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2014, 134(10):1016-1021]

Cited: 6 times

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Evaluation of usefulness of fine-needle aspiration cytology in the diagnosis of tumours of the accessory parotid gland: a preliminary analysis of a case series in Japan.

Hiroyoshi Iguchi, Tadashi Wada, Naoki Matsushita, Masahiro Oishi, Yuichi Teranishi, Hideo Yamane,

<h4>Conclusion</h4>The accuracy and sensitivity of fine-needle aspiration cytology (FNAC) in this analysis were not satisfactory, and the false-negative rate seemed to be higher than for parotid tumours. The possibility of low-grade malignancy should be considered in the surgical treatment of accessory parotid gland (APG) tumours, even if the preoperative results ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2014, 134(7):768-770]

Cited: 2 times

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Epithelioid myoepithelioma of the accessory parotid gland: pathological and magnetic resonance imaging findings.

Hiroyoshi Iguchi, Kei Yamada, Hideo Yamane, Shigeo Hashimoto,

Tumors of the accessory parotid gland (APG) are rare, and pleomorphic adenoma (PA) is the most common benign APG tumor subtype. Myoepithelioma of the APG is much rarer than PA, and to date, only 5 cases have been sporadically reported in the English literature. We describe the clinicopathological and MRI ... Read more >>

Case Rep Oncol (Case reports in oncology)
[2014, 7(2):310-315]

Cited: 6 times

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Endoscopic resection of a vocal cord polyp with a bipolar snare in a patient with cervical disc herniation.

Hiroaki Minamino, Yasuaki Nagami, Kazunari Tominaga, Naoki Matsushita, Satoshi Sugimori, Masatsugu Shiba, Toshio Watanabe, Hiroyoshi Iguchi, Yasuhiro Fujiwara, Tetsuo Arakawa,

A 55-year-old male with progressively worsening hoarseness was found to have a vocal cord polyp of >10 mm in diameter on the right true cord. It was necessary to remove the polyp in order to prevent airway obstruction by prolapse. However, the patient was a poor candidate for resection by ... Read more >>

Clin J Gastroenterol (Clinical journal of gastroenterology)
[2014, 7(2):136-139]

Cited: 1 time

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Usefulness of non-magnifying narrow-band imaging in screening of early esophageal squamous cell carcinoma: a prospective comparative study using propensity score matching.

Yasuaki Nagami, Kazunari Tominaga, Hirohisa Machida, Masami Nakatani, Natsuhiko Kameda, Satoshi Sugimori, Hirotoshi Okazaki, Tetsuya Tanigawa, Hirokazu Yamagami, Naoshi Kubo, Masatsugu Shiba, Kenji Watanabe, Toshio Watanabe, Hiroyoshi Iguchi, Yasuhiro Fujiwara, Masaichi Ohira, Kosei Hirakawa, Tetsuo Arakawa,

<h4>Objectives</h4>The usefulness of non-magnifying endoscopy with narrow-band imaging (NBI; NM-NBI) in the screening of early esophageal squamous cell carcinoma (SCC) and high-grade intraepithelial neoplasia (HGIN) remains unclear. Here, we aimed to compare NM-NBI and chromoendoscopy with iodine staining (CE-Iodine) in terms of the diagnostic performance, and to evaluate the usefulness ... Read more >>

Am J Gastroenterol (The American journal of gastroenterology)
[2014, 109(6):845-854]

Cited: 44 times

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Co-registered positron emission tomography/computed tomography and gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid magnetic resonance imaging features of multiple angiosarcoma of the liver.

Takashi Kamatani, Hiroyoshi Iguchi, Takemichi Okada, Hitoshi Yamazaki, Hidekazu Tsunoda, Masaaki Watanabe, Masaya Oda, Makoto Ohbu, Hiroaki Yokomori,

Hepatic angiosarcoma is a very rare disease, accounting for only 2% of primary liver malignancy. An 82-year-old man was admitted to our hospital because of jaundice and weight loss. Computed tomography (CT) and magnetic resonance imaging (MRI) showed diffuse and multiple space-occupying lesions. On gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced MRI, the ... Read more >>

Hepatol Res (Hepatology research : the official journal of the Japan Society of Hepatology)
[2014, 44(10):E297-303]

Cited: 2 times

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Clinical analysis of 21 cases of cervical tuberculous lymphadenitis without active pulmonary lesion.

Hiroyoshi Iguchi, Tadashi Wada, Naoki Matsushita, Yuichi Teranishi, Hideo Yamane,

<h4>Conclusion</h4>The necessity of considering cervical tuberculous lymphadenitis (CTL) should be emphasized even today for the differential diagnosis of cervical lymphadenopathy, particularly when it is located in the posterior triangle and supraclavicular regions even in patients without active pulmonary tuberculosis (PTB).<h4>Objective</h4>This study was conducted to highlight the characteristics of patients with ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2013, 133(9):977-983]

Cited: 2 times

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Aquaporin-1 is associated with arterial capillary proliferation and hepatic sinusoidal transformation contributing to portal hypertension in primary biliary cirrhosis.

Hiroyoshi Iguchi, Masaya Oda, Hitoshi Yamazaki, Kazunori Yoshimura, Wataru Ando, Hiroaki Yokomori,

Although aquaporins (AQPs) in normal hepatobiliary system have been studied, little is known about AQP localization and changes in the hepatic microvascular system including sinusoids in cholestatic liver. The present study aimed to clarify the localization of AQP-1 in the microvessels in normal human liver and in primary biliary cirrhosis ... Read more >>

Med Mol Morphol (Medical molecular morphology)
[2014, 47(2):90-99]

Cited: 1 time

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[Clinical features of accessory parotid gland tumors].

Hiroyoshi Iguchi, Tadashi Wada, Hidefumi Yamamoto, Kei Yamada, Naoki Matsushita, Sachimi Okamoto, Yuichi Teranishi, Yuki Koda, Yuki Kosugi, Hideo Yamane,

Accessory parotid gland tumors are relatively rare; hence, adequately detailed clinical analyses of these tumors are difficult to perform at a single institution. In this report, we describe the findings for 65 patients [29 men, 36 women; median age, 51 (9-81) years] with accessory parotid gland tumors, consisting of 4 ... Read more >>

Nihon Jibiinkoka Gakkai Kaiho (Nihon Jibiinkoka Gakkai kaiho)
[2013, 116(12):1300-1307]

Cited: 2 times

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A hepatic sclerosed hemangioma with significant morphological change over a period of 10 years: a case report.

Yoshitaka Shimada, Yoshihito Takahashi, Hiroyoshi Iguchi, Hitoshi Yamazaki, Hidekazu Tsunoda, Masaaki Watanabe, Masaya Oda, Hiroaki Yokomori,

<h4>Introduction</h4>Liver cavernous hemangioma is the most common noncystic hepatic lesion, and a hemangioma that undergoes degeneration and fibrous replacement is called a hepatic sclerosed hemangioma.<h4>Case presentation</h4>A 63-year-old Japanese man was admitted for detailed investigation of a liver tumor. Tumor markers carcinoembryonic antigen, alpha-fetoprotein, and CA19-9 levels in the peripheral blood ... Read more >>

J Med Case Rep (Journal of medical case reports)
[2013, 7:139]

Cited: 9 times

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Participation of aquaporin-1 in vascular changes and remodeling in cirrhotic liver.

Hiroyoshi Iguchi, Masaya Oda, Hitoshi Yamazaki, Hiroaki Yokomori,

The pathophysiology of arterial capillary proliferation accompanying fibrosis in human cirrhosis remains unclear. However, evidence regarding the molecules participating in the pathophysiological process has been accumulating. Water channel proteins known as aquaporins (AQP)s, notably AQP-1, appear to be involved in the arterial capillary proliferation in the cirrhotic liver. ... Read more >>

Med Mol Morphol (Medical molecular morphology)
[2013, 46(3):123-132]

Cited: 2 times

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[Assessment of Meniere's disease from a radiological aspect-saccular otoconia as a cause of Meniere's disease?].

Hideo Yamane, Kishiko Sunami, Hiroyoshi Iguchi, Hiramori Sakamoto, Toshio Imoto, Helge Rask-Andersen,

Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi (Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery)
[2013, 27(15):839-843]

Cited: 0 times

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Blockage pattern of longitudinal flow in Meniere's disease.

Sakurako Takano, Hiroyoshi Iguchi, Hiramori Sakamoto, Hideo Yamane, Matti Anniko,

<h4>Conclusion</h4>In the present study, classification of the patterns of 3D CT images of the ductus reuniens (reuniting duct) (RD), saccular duct (SD), and endolymphatic sinus (ES) gave more precise information for assessing the pathological condition of Meniere's disease (MD) than our previous study.<h4>Objective</h4>This study attempted to provide more detailed information ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2013, 133(7):692-698]

Cited: 2 times

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Psycho-oncological aspect of surgery in palliative care: our satisfactory experience using a V-Y island flap.

Hisashi Motomura, Rie Kobayashi, Hiroyoshi Iguchi, Daisuke Sakahara, Naho Fujii, Teruichi Harada,

<h4>Conclusions</h4>Our reconstruction method using a V-Y island flap was minimally invasive and yielded a satisfactory esthetic result without impairing the patient's postoperative quality of life (QOL).<h4>Objective</h4>Malignant skin tumors of the head and neck often affect the patient's appearance and QOL. Therefore, surgery for terminally staged patients with malignant skin tumors ... Read more >>

Acta Otolaryngol (Acta oto-laryngologica)
[2013, 133(3):334-336]

Cited: 0 times

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Prostatic stromal sarcoma with neuroectodermal differentiation.

Hitoshi Yamazaki, Teppei Ohyama, Toshiki Tsuboi, Yoshinori Taoka, Dai Kohguchi, Hiroyoshi Iguchi, Teruaki Ao,

<h4>Unlabelled</h4>Prostatic stromal sarcoma is a fairly rare tumor that constitutes approximately 0.1-0.2% of all prostatic cancers. Detailed characteristics of the tumor are still unclear due to its rarity.We describe a case of prostatic stromal sarcoma in a 63 year-old man who suffered from urinary obstructive symptoms. Palliative transuterine resection was ... Read more >>

Diagn Pathol (Diagnostic pathology)
[2012, 7:173]

Cited: 6 times

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