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Affiliation |
Hospital Division of Clinical Pathology |
Graduating School 【 display / non-display 】
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-1988.03
Akita University Faculty of Medicine Graduated
Graduate School 【 display / non-display 】
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-1993.03
Akita University Graduate School, Division of Medicine Doctor's Course Completed
Campus Career 【 display / non-display 】
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2003.04-Now
Akita University Hospital Division of Clinical Pathology Associate Professor
Research Achievements 【 display / non-display 】
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4times in situ transient one-hour flow decrease can induce intimal thickening and medial remodeling of flow-remodeled artery
Nanjo， H.， Komatsu， M.， Masuda， H， et al
Microcirculation annual 19 45 - 46 2003.01
Research paper (journal) Domestic Co-author
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Ultrastructure of endothelial cells under flow alteration
Masuda， H.， Kawamura， K.， Nanjo， H.， et al
Microsc Res Tech 60 2 - 12 2003.01
Research paper (journal) Domestic Co-author
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High flow derives vascular endothelial cell proliferation during flow-inducued arterial remodeling associated with the expression of vascular endothelial growth factors
Sho， E.， Komatsu， M.， Nanjo， H.， et al
Experimental and Molecular Pathology 75 1 - 11 2003.01 [Refereed]
Research paper (journal) Domestic Co-author
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Efficacy of continuous infusion of prostaglandin E1 through the superior mesenteric artery against ischemic liver cell necrosis after hepatic artery occlusion
Kato， T.， Sato， T.， Kurokawa， T.， Nanjo， H.， et al:
Transplantation 76 1340 - 1345 2003.01 [Refereed]
Research paper (journal) Domestic Co-author
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SATO Masao, YOSHIDA Tatsuki, MATSUHASHI Tamotsu, TAKAHASHI So, FUKUDA Sho, NANJO Hiroshi, HIROSHIMA Yuko, IIJIMA Katsunori
GASTROENTEROLOGICAL ENDOSCOPY ( Japan Gastroenterological Endoscopy Society ) 67 ( 2 ) 140 - 148 2025
<p>Here, we present a case of giant Brunnerʼs gland hyperplasia. Although it is often discovered as a submucosal lesion in the duodenum, a definitive diagnosis is challenging. Moreover, if the lesion is large or tends to increase in size, it may be difficult to distinguish it from a malignant neoplasm or it may result in an impaired passage or a complicated obstruction. A74-year-old woman had a 60-mm-sized submucosal tumor in the duodenal bulb, which was suspected to be Brunnerʼs gland hyperplasia. However, the patient did not wish to undergo treatment at that time, which led to the decision of just observing the patient. Regular follow-ups were performed; however, the lesion did not increase in size or cause any subjective symptoms. Eleven years later, the patient presented with epigastric pain. Contrast-enhanced CT and emergency esophagogastroduodenoscopy revealed the same lesion in the duodenal descending part. The lesion was resected via endoscopic submucosal dissection in the presence of a gastroenterology surgeon. Pathological examination revealed a 75×32×26 mm Brunnerʼs gland hyperplasia lesion. Since giant Brunnerʼs gland hyperplasia may cause obstruction or incarceration in the future, early prophylactic resection could be considered as a treatment option.</p>
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Durability test of microtome blades in sectioning of demineralized porcine rib samples
Sasaki Takehiro, Satoh Hirotaka, Nakamae Keito, Nanjo Hiroshi, Akagami Yoichi, Nakamura Ryuta, Kusumi Takayuki, Yoshino Masahiko
Proceedings of JSPE Semestrial Meeting ( The Japan Society for Precision Engineering ) 2024S ( 0 ) 383 - 384 2024.02
<p>This paper reports the results of an investigation into the factors affecting the durability of the microtome blade used for sectioning pathology samples. Experiments were carried out to repeated sectioning of demineralized porcine ribs at a constant cutting thickness using an originally developed sectioning apparatus. Changes in cutting force, damage to the cutting edge and quality of the section due to repeated sectioning were measured, and the effects of microtome blade hardness, cutting edge angle and specimen characteristics on the durability of the microtome blade were investigated.</p>
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A Case of 10-year Survival in Adenoid Cystic Carcinoma of the Breast with Lung Metastasis
YAMAGUCHI Ayuko, TERATA Kaori, NANJO Hiroshi, MORI Naoko, TAKAHASHI Eriko, KONNO Hikari, ONJI Masaaki, IMAI Kazuhiro
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) ( Japan Surgical Association ) 85 ( 12 ) 1661 - 1665 2024
<p>Adenoid cystic carcinoma of the breast accounts for approximately 0.1% of all breast cancers. Lymph node and distant metastases are rare. Although the prognosis is generally favorable, metastasis and recurrence have been reported in some cases. We report a case of adenoid cystic carcinoma of the breast, where lung nodules appeared 5 and 10 years post-surgery ; however, the patient survived long-term with surgery and follow-up. A 69-year-old woman was diagnosed with right breast cancer (adenoid cystic carcinoma), classified as cT2N0M0, cStageIIA, and triple-negative. We performed a total mastectomy with level I axillary lymph node dissection and postoperative adjuvant chemotherapy. Five years later, a nodule was detected in the upper lobe of the right lung. A lung segmentectomy was performed on the nodule, confirming it as a metastasis of the adenoid cystic carcinoma of the breast. During the treatment-free follow-up in our department, the nodule reappeared 5 years later. Despite the patient being under observation, the nodule has not increased in size or metastasized to other organs.</p>
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Durability test of microtome blades in sectioning of bone tissue embedded samples
Satoh Hirotaka, Nakamae Keito, Sasaki Takehiro, Nanjo Hiroshi, Akagami Yoichi, Nakamura Ryuta, Kusumi Takayuki, Yoshino Masahiko
Proceedings of JSPE Semestrial Meeting ( The Japan Society for Precision Engineering ) 2023A ( 0 ) 762 - 763 2023.08
<p>This paper reports the results of an investigation into the durability of microtome blades used for sectioning pathological samples. We conducted repeated sectioning experiments at a constant set thickness with automatic sectioning equipment we developed, using paraffin blocks embedded with porcine rib tissue as samples. We measured changes in cutting force and damage to the blade edge and examined the effects on the tissue quality of sections.</p>
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A Case of Renal Anastomosing Hemangioma
SASAKI Yoshiki, KASHIMA Soki, KOYAMA Takashi, HIROSHIMA Yuko, AMANO Kenji, TAKAHASHI Syuhei, NARA Taketoshi, KOIZUMI Atsushi, YAMAMOTO Ryohei, NUMAKURA Kazuyuki, SAITO Mitsuru, NARITA Shintaro, NANJO Hiroshi, SATOH Shigeru, HABUCHI Tomonori
68 ( 8 ) 265 - 269 2022.08