Kenta Nakahashi
Yamagata University
AnatomyDissectionInternal medicineRadiologySurgeryOncologyResectionCardiothoracic surgeryLung cancerWedge resection (lung)Chest tubeLungAdhesion (medicine)Nodule (medicine)ThoracotomyThoracoscopyLymph nodeAdenocarcinomaLower lobeCt simulationPort accessSlip (materials science)Computed tomographyMedicine
Publications 42
An anterior mediastinal tumor was detected by computed tomography (CT) in a 66-year-old man who complained of left flank pain, and the surgical treatment was performed. At surgery, partial resection of the pericardium was also conducted because the pericardial inversion was suspected. The histopathological diagnosis was dedifferentiated liposarcoma. The patient is well without adjuvant chemotherapy 23 months after the surgery.
#2Kenta NakahashiH-Index: 5
Last. Satoshi ShionoH-Index: 20
view all 7 authors...
A 64-year-old man visited our hospital because of an abnormal shadow on an annual health check-up. Chest computed tomography demonstrated a nodule 22 mm in size in the right lung. 18-F fluorodeoxyglucose positron emission tomography showed abnormal accumulation in the nodule. Since lung cancer was suspected, a right wedge resection was performed. Pathological examination showed no malignant findings in the nodule. The diagnosis of lung abscess by drug resistance Pseudomonas aeruginosa was made b...
Pazopanib is an anti-angiogenic multi-targeted tyrosine kinase inhibitor used for treating soft tissue sarcomas and renal cell carcinoma. Although the occurrence of pneumothorax during pazopanib treatment has been recognized as an adverse event, there have been no reports of pneumothorax in patients treated with pazopanib. Here, we present the case of a 71- year-old male patient who developed pneumothorax during adjuvant pazopanib therapy after surgery for metastasized renal cell carcinoma. Left...
#1Akira Hamada (YU: Yamagata University)H-Index: 6
#2Hiroyuki Oizumi (YU: Yamagata University)H-Index: 18
Last. Mitsuaki Sadahiro (YU: Yamagata University)H-Index: 21
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BACKGROUND Previous studies have reported the feasibility and efficacy of thoracoscopic anatomical sublobar resection under three-dimensional computed tomography (3DCT) simulation; however, its long-term outcomes have not been clearly established in primary lung cancer. This study aimed to evaluate the long-term outcomes of this technique. METHODS We retrospectively reviewed data from 112 consecutive patients with selected clinical stage IA non-small cell lung cancer (NSCLC) who underwent thorac...
A 78-year-old man was admitted to our hospital for further examination of a mass shadow in the left lower lobe noted on chest computed tomography. Because lung cancer was suspected, a left lower lobectomy was performed. During surgery, the left lower lobe and heart were so tightly adherent that the pericardial defect was not initially perceivable. As we proceeded with adhesion detachment, we discovered that the left lower lobe and the myocardium were directly adherent to one another through a co...
OBJECTIVES In order to perform appropriate treatment for metachronous multiple lung cancer, it is important to verify the surgical treatment outcome. We evaluated the surgical outcome of metachronous multiple lung cancer focused on the sublobar resection of metachronous second lung cancer. METHODS The subjects of this study were 1,513 cases that underwent radical resection for primary lung cancer in our institution from January 2004 to April 2020. We selected 23 (1.5%) patients who underwent lob...
#1Kenta NakahashiH-Index: 5
#2Nobuo TsunookaH-Index: 9
Last. Masataka Taguri (YCU: Yokohama City University)H-Index: 35
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Background The subcategory "solid component of tumor" is a new criterion of tumor categories in the updated eighth edition of the TNM classification. Nevertheless, the predictors of lymph node metastasis among patients with clinical T1 adenocarcinoma, based on the TNM classification 8th edition, remain unclear. This study aimed to identify the preoperative predictors of lymph node metastasis in clinical T1 adenocarcinoma by comparing clinicopathological characteristics between the groups with an...
#1Jun Suzuki (YU: Yamagata University)H-Index: 9
#2Hiroyuki OizumiH-Index: 18
Last. Mitsuaki SadahiroH-Index: 21
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Since 2004, over 300 patients have undergone thoracoscopic segmentectomy without mini-thoracotomy. Thoracoscopic segmentectomy is one of the most complicated surgeries. To perform the complex segmentectomies, pre-operative simulation and 3-dimensional multi-detector computed tomography( 3DCT) are both essential for safely performing operations and for securing adequate surgical margins. Comprehension of the intersegmental and intrasegmental veins to visualize the segmental border facilitates an ...
#1Kenta Nakahashi (YU: Yamagata University)H-Index: 5
#2Hiroyuki Oizumi (YU: Yamagata University)H-Index: 18
Last. Hidenori Sato (YU: Yamagata University)H-Index: 14
view all 6 authors...
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