Kantaro Hara

ORCID: 0000-0002-2319-9791
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Research Areas
  • Lung Cancer Diagnosis and Treatment
  • Medical Imaging and Pathology Studies
  • Cancer Diagnosis and Treatment
  • Nutrition and Health in Aging
  • Lung Cancer Treatments and Mutations
  • Tracheal and airway disorders
  • Myasthenia Gravis and Thymoma
  • Metastasis and carcinoma case studies
  • Chemical Reactions and Isotopes
  • Inflammatory Biomarkers in Disease Prognosis
  • Cardiac tumors and thrombi
  • Cancer Immunotherapy and Biomarkers
  • Lung Cancer Research Studies
  • Esophageal Cancer Research and Treatment
  • Venous Thromboembolism Diagnosis and Management
  • Sarcoma Diagnosis and Treatment
  • Pleural and Pulmonary Diseases
  • Neuroendocrine Tumor Research Advances
  • Pituitary Gland Disorders and Treatments
  • Multiple and Secondary Primary Cancers
  • Chronic Obstructive Pulmonary Disease (COPD) Research
  • Aortic Disease and Treatment Approaches
  • Esophageal and GI Pathology
  • Biomarkers in Disease Mechanisms
  • Mechanical Circulatory Support Devices

Kansai Rosai Hospital
2017-2024

Tokyo Metropolitan University
2024

Osaka Metropolitan University
2024

Berurando General Hospital
2021-2023

Osaka City University Hospital
2017-2020

Osaka City University
2016-2019

Nagasaki University
1995

Niigata University
1995

Nagasaki Municipal Hospital
1995

Sarcopenia is the progressive loss of muscle mass and strength, has a risk adverse outcomes such as disability, poor quality life death. As prognosis depends not only on disease aggressiveness, but also patient's physical condition, sarcopenia can predict survival in patients with various cancer types. However, its effects postoperative localized non-small cell lung cancers (NSCLC) have never been reported. We retrospectively investigated 215 male pathological Stage I NSCLC. L3 index defined...

10.1093/jjco/hyx009 article EN Japanese Journal of Clinical Oncology 2017-01-30

Pulmonary vein stenosis (PVS) is known as one of the chronic complications after catheter ablation for atrial fibrillation (AF). The endovascular approach a less invasive treatment option PVS, while pulmonary lobectomy also chosen, especially patients with occlusion. Here, we present case occlusion accompanied by necrosis that was successfully treated lobectomy. A 65-year-old man underwent AF along administration anticoagulants at his previous hospital. After 6 months, hemoptysis appeared,...

10.70352/scrj.cr.24-0034 article EN cc-by Surgical Case Reports 2025-01-01

Background Markers of preoperative tumor immunity, such as platelet‐to‐lymphocyte ratio (PLR), have been reported to be prognostic factors for patients with various cancers. However, the relationship between PLR and prognosis non‐small cell lung cancer (NSCLC) treated surgery adjuvant chemotherapy a multidisciplinary treatment is unknown. Methods We enrolled 327 NSCLC surgically or without (78 249 patients, respectively) at our hospital from 2008 2012. Patients had no hematological disease...

10.1111/1759-7714.12547 article EN cc-by-nc Thoracic Cancer 2017-11-03

We often experienced early recurrence in patients with completely resected N2-positive non-small-cell lung cancer (NSCLC). Loss of muscle mass is a poor prognostic factor several stages NSCLC. This study aimed to investigate the relationship between preoperative loss and postoperative NSCLC.We retrospectively analyzed 47 male pathological Early was defined as that diagnosed within 1 year after operation. used L3 index (cross-sectional area at level, normalized for height) clinical...

10.5761/atcs.oa.17-00215 article EN cc-by-nc-nd Annals of Thoracic and Cardiovascular Surgery 2018-01-01

Liposarcoma is the single most common soft tissue sarcoma. Because mediastinal liposarcomas often grow rapidly and frequently recur locally despite adjuvant chemotherapy radiotherapy, they require complete excision. Therefore, feasibility of achieving surgical excision must be carefully considered. We here report a case huge liposarcoma resected via clamshell thoracotomy. A 64-year-old man presented with dyspnea on effort. Cardiomegaly had been diagnosed 6 years previously, but left...

10.1186/s40792-017-0291-5 article EN cc-by Surgical Case Reports 2017-01-20

Tumor spread through alveolar spaces (STAS) is a recently described invasive pattern associated with the prognosis and recurrence of lung adenocarcinoma. This study was performed to determine whether presence distance STAS can be predicted by immunohistochemical intensity SLX, well-known cell adhesion protein.In total, 245 patients pathological stage I adenocarcinoma who underwent lobectomy radical mediastinal lymph node dissection were identified from 1998 2012. Recurrence-free survival...

10.1111/1759-7714.13008 article EN cc-by-nc Thoracic Cancer 2019-02-28

Solitary splenic metastasis is extremely rare, with only 27 reported cases in the literature. An 81-year-old woman was referred to our hospital for treatment of pulmonary and lesions. Chest computed tomography showed a small lung nodule right upper lobe, abdominal an 8 cm mass abnormal accumulation, positron emission revealed maximum standardized uptake value 7.9. She had elevated serum cancer antigen 19-9 (1847 U/mL) carcinoembryonic concentrations (17.9 ng/mL). underwent laparoscopic...

10.1111/1759-7714.12477 article EN cc-by-nc Thoracic Cancer 2017-07-21

A 66-year-old woman underwent right nephrectomy for treatment of renal cell carcinoma (RCC). Two years later, she wedge resection the lung metastatic RCC and primary adenocarcinoma lung. She began oral sorafenib remaining nodules left lung, which were suspected to be RCC. was changed everolimus because slight enlargement pulmonary nodules. The carcinoembryonic antigen (CEA) concentration then increased 25.7 ng/mL, chest computed tomography (CT) revealed ground-glass opacities (GGO) in...

10.5761/atcs.cr.17-00092 article EN cc-by-nc-nd Annals of Thoracic and Cardiovascular Surgery 2017-12-14

An 82-year-old woman was referred to our hospital because of dyspnea on effort. Echocardiography revealed severe aortic valve stenosis (AS). Simultaneously, chest computed tomography (CT) a 19-mm nodule in the lower lobe right lung, and bronchoscopic biopsy adenocarcinoma. She underwent transcatheter implantation (TAVI) for AS. Three weeks later, she lobectomy lung mediastinal dissection cancer. Her postoperative course good, discharged 8 days postoperatively. In conclusion, we encountered...

10.5761/atcs.cr.18-00028 article EN cc-by-nc-nd Annals of Thoracic and Cardiovascular Surgery 2018-04-25

Ectopic ACTH syndrome (EAS) is a potentially fatal endocrine disease that results from variety of neuroendocrine tumors (NETs), such as small cell lung cancer (SCLC) and bronchial typical carcinoid. Typical carcinoid usually slow growing, not associated with plasma progastrin releasing peptide (ProGRP) elevation. Here, we report 47-year-old female smoker progressive ProGRP Several types Cushingoid features were found on physical examination. In addition, laboratory examination showed...

10.1507/endocrj.ej18-0052 article EN Endocrine Journal 2018-01-01

Purpose: This report reviews our experience with right lower sleeve lobectomy and describes technique approach to perioperative patient management.

10.5761/atcs.oa.24-00026 article EN cc-by-nc-nd Annals of Thoracic and Cardiovascular Surgery 2024-01-01

Background Lung cancer is the leading cause of global incidence and mortality. It important to obtain an accurate diagnosis lymph-node metastasis before surgery select therapeutic strategy for non-small cell lung (NSCLC) patients. Carbonic anhydrase 9 (CA9) considered a marker hypoxia it has reported that CA9 associated with tumor invasion metastasis. In this study, correlation between expression metastases in NSCLC [ 18 F]FDG PET/CT results was investigated order clarify efficacy detecting...

10.1371/journal.pone.0312846 article EN cc-by PLoS ONE 2024-10-29

背景.免疫チェックポイント阻害薬は適切な中止時期に関する知見に乏しい.今回我々はニボルマブによる長期病勢制御中,投与中止により急速に同剤再治療抵抗性の再燃に至った症例を経験したので報告する.症例.67歳男性.X年11月に気管支鏡検査で肺扁平上皮癌c-T4N1M0 c-IIIB期と診断.X年12月よりカルボプラチン+テガフール・ギメラシル・オテラシルカリウム(S1)を6コース投与したが病勢進行のため放射線治療70 Gy/35 frを追加しS1を継続.X+1年12月,左鎖骨上窩リンパ節に再発し65 Gy/26...

10.2482/haigan.64.860 article JA Haigan 2024-10-20

Abstract Postoperative hemodynamic support with an Impella 5.0 was effective in a man who underwent lung lobectomy for cancer and cardiogenic shock. A 75-year-old presented to hospital abnormal chest shadow on radiography. After thorough examination, the patient diagnosed cancer, left lower performed. On 2nd postoperative day, experienced cardiac arrest because of sudden drop saturation percutaneous oxygen. third defibrillation, his heartbeat resumed, he intubated placed ventilator. Coronary...

10.1093/jscr/rjad258 article EN cc-by-nc Journal of Surgical Case Reports 2023-05-01

今回我々は肺腺癌と食道扁平上皮癌の同時性重複癌の9例を対象とし,術後合併症と予後について検討した.年齢中央値67歳,男性6例,女性3例.術式は右肺と食道の同時手術が5例,二期的手術が4例であった.肺癌切除術式は肺葉切除5例,区域切除4例.全例で完全切除を行い,術後在院死は認めなかった.同時手術例では2例(40%)に周術期合併症を認め,右下葉切除例が誤嚥性肺炎,胸骨後再建胃管の縫合不全,乳糜胸,気管支断端瘻および膿胸を併発した.S6区域切除例で肺炎およびARDSを併発し,気管支瘻をきたした.一方,二期的手術を行った4症例では,重篤な合併症は認めなかった.全生存期間における3年生存率は76.2%,生存期間中央値は67.1ヵ月であり,食道・肺ともに完全切除可能であれば,手術加療を考慮すべきと考えられた.また,右肺癌重複例で同時手術を行う際は,肺合併症と消化管縫合不全の同時併発に留意すべきである.

10.2995/jacsurg.31.573 article JA The Journal of the Japanese Association for Chest Surgery 2017-01-01
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