Search Results - "Okimura, Akira"

Epithelial to Mesenchymal Transition Is a Determinant of Sensitivity to Chemoradiotherapy in Non-Small Cell Lung Cancer by Shintani, Yasushi, MD, PhD, Okimura, Akira, DDS, PhD, Sato, Katsutoshi, PhD, Nakagiri, Tomoyuki, MD, PhD, Kadota, Yoshihisa, MD, PhD, Inoue, Masayohi, MD, PhD, Sawabata, Noriyoshi, MD, PhD, Minami, Masato, MD, PhD, Ikeda, Naoki, MD, PhD, Kawahara, Kunimistu, MD, PhD, Matsumoto, Tomoshige, MD, PhD, Matsuura, Nariaki, MD, PhD, Ohta, Mitsunori, MD, PhD, Okumura, Meinoshin, MD, PhD

“…Background The epithelial to mesenchymal transition (EMT) is a fundamental biological process during which epithelial cells change to a mesenchymal phenotype;…”
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Primary Lung Adenocarcinoma With ALK Gene Rearrangement Mostly Occupied by the Signet-Ring Cell Carcinoma Component: A Case Report by Okimura, Akira, Hirano, Hiroshi, Ito, Yumika, Kajiwara, Naohiro, Nakatsugawa, Munehide

“…Primary lung carcinoma tumors possessing a signet-ring cell carcinoma (SRCC) component at varying proportions are rare, while those primarily composed of an…”
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Nivolumab for recurrent/metastatic hypopharyngeal squamous cell carcinoma in a liver transplant recipient by Kondo, Takahito, Kawachi, Shigeyuki, Nakatsugawa, Munehide, Takeda, Atsuo, Kikawada, Naiue, Aihara, Yusuke, Okimura, Akira, Hirano, Hiroshi, Ogawa, Yasuo, Tsukahara, Kiyoaki

“…Nivolumab administration to patients with organ transplantation history requires careful management. Herein, we report the case of a living-donor…”
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Myxofibrosarcoma of the Breast: A Case Report by Amaya, Keigo, Okimura, Akira, Hirano, Hiroshi, Wakiya, Midori, Ito, Yumika, Yamada, Kimito, Nakatsugawa, Munehide

“…Development of a myxofibrosarcoma in the breast tissue is extremely rare. Reported here is a case of myxofibrosarcoma found in the left breast tissue of a male…”
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Tracheobronchial chondritis as an immune-related adverse event occurring during the administration of nivolumab for recurrent hypopharyngeal squamous cell carcinoma by Someya, Miwako, Kondo, Takahito, Okimura, Akira, Nakatsugawa, Munehide, Okubo, Mitsuru, Yunaiyama, Daisuke, Takeda, Atsuo, Kishida, Takuma, Yoshida, Shigekazu, Yonekura, Minami, Ogawa, Yasuo, Tsukahara, Kiyoaki

“…Tracheobronchial chondritis is a rare immune-related adverse event (irAE) associated with immune checkpoint inhibitors. We report a case wherein…”
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Minocycline-induced black thyroid with black pigmentation of the thyroid cartilage, cricoid cartilage, and trachea found during reconstructive surgery for hypopharyngeal cancer by Kondo, Takahito, Nakatsugawa, Munehide, Hirai, Yuji, Takeda, Atsuo, Kikawada, Naiue, Aihara, Yusuke, Chiba, Yuujin, Okimura, Akira, Hirano, Hiroshi, Ogawa, Yasuo, Tsukahara, Kiyoaki

“…Black thyroid is characterized by a rare pigment change observed almost exclusively in patients taking minocycline. We present the case of a 72-year-old man…”
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Right trisectionectomy for liver metastasis of granulosa cell tumor: a case report and literature review by Koganezawa, Itsuki, Tomita, Koichi, Nakagawa, Masashi, Ozawa, Yosuke, Kobayashi, Toshimichi, Sano, Toru, Tsutsui, Rina, Chiba, Naokazu, Okimura, Akira, Nakatsugawa, Munehide, Hirano, Hiroshi, Kawachi, Shigeyuki

“…Background Granulosa cell tumor (GCT) is a type of ovarian sex cord-stromal tumor with low-grade malignancy, which can recur long after primary resection. All…”
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Usefulness of high suction pressure for sufficient tissue collection during endobronchial ultrasound guided transbronchial needle aspiration by Shiroyama, Takayuki, Okamoto, Norio, Suzuki, Hidekazu, Tamiya, Motohiro, Yamadori, Tadahiro, Morishita, Naoko, Otsuka, Tomoyuki, Morita, Satomu, Kurata, Kanako, Okimura, Akira, Kawahara, Kunimitsu, Sasada, Shinji, Hirashima, Tomonori, Kawase, Ichiro

“…The optimal suction pressure during endobronchial ultrasound guided transbronchial needle aspiration (EBUS-TBNA) remains to be determined. The aim of this…”
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Occult Papillary Thyroid Carcinoma without Detection of the Primary Tumor on Preoperative Ultrasonography or Postoperative Pathological Examination: A Case Report by Yamashita, Gai, Kondo, Takahito, Okimura, Akira, Nakatsugawa, Munehide, Hirano, Hiroshi, Takeda, Atsuo, Kikawada, Naiue, Aihara, Yusuke, Chiba, Yuujin, Ogawa, Yasuo, Tsukahara, Kiyoaki

“…Herein, we report a case of an occult thyroid cancer that was not detected as a primary tumor on preoperative ultrasonography or postoperative pathological…”
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Intrapulmonary neurofibroma independent of neurofibromatosis type 1 by Iwasaki, Teruo, Ohta, Mitsunori, Okimura, Akira, Kawahara, Kunimitsu

“…Intrapulmonary neurofibromas without neurofibromatosis type 1 are rare—so rare that only 11 cases have been reported previously. This case report describes a…”
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Thymic Carcinoma with Adenoid Cystic Carcinomalike Features with Distant Metastases by Kanzaki, Ryu, Ikeda, Naoki, Okura, Eiji, Kitahara, Naoto, Okimura, Akira, Kawahara, Kunimitsu, Ohta, Mitsunori

“…Adenoid cystic carcinoma (ACC), which is a subtype of the nonpapillary adenocarcinoma of the thymus, is extremely rare. We report a patient with thymic…”
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Undifferentiated carcinoma with osteoclast‐like giant cells arising in a mucinous cystic neoplasm of the pancreas by Hirano, Hiroshi, Morita, Keiichi, Tachibana, Shiro, Okimura, Akira, Fujisawa, Takashi, Ouchi, Sachiko, Nakasho, Keiji, Ueyama, Shigemitsu, Nishigami, Takashi, Terada, Nobuyuki

“…A 26‐year‐old woman presented with pain in the left hypochondrium, for which pancreatectomy and splenectomy was performed, with total gross excision of a mass…”
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Pulmonary carcinosarcoma with an osteosarcomatous component by Kanzaki, Ryu, Ikeda, Naoki, Okura, Eiji, Kitahara, Naoto, Okimura, Akira, Kawahara, Kunimitsu, Ohta, Mitsunori

“…Pulmonary carcinosarcoma is a rare disease entity defined as a neoplasm, which has biphasic features consisting of both epithelial and sarcomatous components…”
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Immunohistochemical analyses of E-cadherin, β-catenin, CD44s, and CD44v6 expressions, and Ki-67 labeling index in intraductal papillary mucinous neoplasms of the pancreas and associated invasive carcinomas by Okimura, Akira, Hirano, Hiroshi, Nishigami, Takashi, Ueyama, Shigemitsu, Tachibana, Shiro, Fukuda, Yoshikazu, Yamanegi, Koji, Ohyama, Hideki, Terada, Nobuyuki, Nakasho, Keiji

“…We examined the expressions of adhesion molecules (E-cadherin, β-catenin, CD44s, and CD44v6) and Ki-67 labeling index (Ki-67 LI) in low- and moderate-grade…”
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Malignant mesothelioma of the peritoneum: case reports and immunohistochemical findings including Ki-67 expression by Hirano, Hiroshi, Fujisawa, Takashi, Maekawa, Koichi, Ohkubo, Eriko, Okimura, Akira, Kuribayashi, Kozo, Nakano, Takashi, Nakasho, Keiji, Nishigami, Takashi

“…A malignant mesothelioma (MM) is an aggressive neoplasm, although some patients have shown long-term survival, and factors related to survival remain…”
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Autopsy case of congenital pulmonary lymphangiectasis by Hirano, Hiroshi, Nishigami, Takashi, Okimura, Akira, Nakasho, Keiji, Uematsu, Kunio

“…Congenital pulmonary lymphangiectasis (CPL) is a rare anomaly. We report a female infant born at 39 weeks of gestation who was found to have CPL. Cyanosis and…”
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A Japanese case of VEXAS syndrome after COVID-19 vaccination: Comparison with previously reported cases by Miyagi, Yui, Kobayashi, Hiroshi, Umebayashi, Yoshihiro, Okimura, Akira, Nakatsugawa, Munehide, Maeda, Ayaka, Kirino, Yohei, Aoki, Akiko

“…VEXAS syndrome is a novel adult-onset autoinflammatory disorder caused by variants in the UBA1 gene. Here, we report a Japanese case of VEXAS syndrome in which…”
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Comparison of the Mitotic Count With Various Proliferative Markers for the Effective Differentiation of Benign, Borderline, and Malignant Phyllodes Tumors by Amaya, Keigo, Okimura, Akira, Hirano, Hiroshi, Wakiya, Midori, Hirai, Hideaki, Nagao, Toshitaka, Ishikawa, Takashi, Yamada, Kimito, Nakatsugawa, Munehide

“…Introduction Phyllodes tumors of the breast are categorized as benign, borderline, or malignant based on the WHO classification, which provides comprehensive…”
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Porous diaphragm syndrome with recurrent thymoma by Ota, Takayo, Hasegawa, Yoshikazu, Okabe, Takafumi, Okimura, Akira, Fukuoka, Masahiro

“…Porous diaphragm syndrome describes a defect in the diaphragm in which substances pass from the peritoneal cavity to the pleural space. Defects may be…”
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Disappearance of recurrent thymic epithelial tumor following corticosteroid and cyclosporine treatment: A case report by Kurosaki, Takashi, Hasegawa, Yoshikazu, Wada, Yusuke, Funaki, Soichiro, Sano, Hisao, Fukuoka, Junya, Okimura, Akira, Mukai, Kiyoshi, Ishikawa, Yuichi, Fukuoka, Masahiro, Ota, Takayo

“…Thymic epithelial tumors (TETs) are considered orphan neoplasms, and treatment options for recurrent or metastatic stages are limited. Here, we have reported a…”
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