Publications by authors named "Sorou Takeda"

We report on the transition in blood glucose levels before and after the onset of fulminant type 1 diabetes mellitus in a perinatal woman. In week 38 of pregnancy, before which the patient had normal glucose tolerance, idiopathic acute pancreatitis was diagnosed. Five days thereafter, she became hypoglycemic, so we closely monitored her blood glucose levels.

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Purpose: The complexity of lung cancer treatment is rapidly increasing, necessitating the use of multidisciplinary approaches for improving outcomes. Although it is common for institutions to have their own tumor boards, tumor boards connecting several general hospitals, and therefore allowing for more diverse opinions, are not prevalent.

Materials And Methods: A tumor board connecting eight hospitals was formed to discuss patients for whom formulating a treatment strategy was difficult.

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Central airway obstruction caused by cancer requires urgent interventional pulmonology. Malignant main carinal involvement is one of the most challenging situations, usually treated by rigid bronchoscopic intervention under general anaesthesia. However, these patients tend to be in poor condition due to underlying malignancy.

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Background: Although phase III trials have shown improved overall and progression-free survival (PFS) using nivolumab compared to docetaxel in patients with non-small-cell lung cancer, the progressive disease ratio of nivolumab is higher than docetaxel. Furthermore, nonconventional response patterns of nivolumab make it difficult to determine the time point for nivolumab discontinuation. Therefore, a method to detect non-responders to nivolumab at an early time point is crucial.

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Idiopathic pulmonary fibrosis (IPF) is a progressive and incurable disease with limited overall survival. Nintedanib is a multikinase inhibitor, and its efficacy on IPF was demonstrated in phase III trials. However, a discrepancy exists between forced vital capacity (FVC) and patient-reported outcomes during nintedanib treatment.

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Bilateral self-expandable metallic stents may be useful in the management of malignant carinal involvement and may improve the performance status of patients. This strategy may allow patients with poor performance status to receive additional chemotherapy.

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The current standard-of-care treatment for patients with limited-stage small-cell lung cancer (SCLC) is concurrent chemoradiotherapy for local and systemic control. However, standard-of-care treatment strategies have not been established for those with limited-stage SCLC who have a history of thoracic radiotherapy due to concerns with complications associated with radiation overdose. A 37-year-old male developed an aspergilloma in the postoperative left thoracic space after he was treated with concurrent chemoradiotherapy for mediastinal type lung adenocarcionoma and subsequent left upper lobectomy for heterochronous dual adenocarcinoma.

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Lung cancer has aggressive behaviour which often progresses rapidly with disseminated disease and leads to poor performance status (PS) in patients. Because cytotoxic chemotherapy is not recommended under these conditions, there are currently no alternative therapeutic options other than providing supportive care. Immune checkpoint inhibitors have been developed, but their efficacy and tolerability have not been fully investigated in patients with poor PS.

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Patients with an epidermal growth factor receptor (EGFR) mutation are usually administered EGFR-tyrosine kinase inhibitors (TKIs) as standard-of-care treatment. However, acquired resistance occurs between 9 and 13 months. The T790M-resistant mutations are the most common, and osimertinib has been found to be effective in treating EGFR-T790M-positive patients.

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Article Synopsis
  • A 74-year-old Japanese woman with no prior health issues was hospitalized due to fever and high levels of C-reactive protein.
  • She showed symptoms resembling Behçet’s disease, including mouth ulcers, intestinal problems, and a specific skin rash.
  • During her treatment, she developed a significant increase in monocytic cells in her blood, leading to a diagnosis of acute monocytic leukemia, with the leukemic cells identified in both her skin and intestines.
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Central airway obstruction needs interventional pulmonology and malignant main carinal involvement is one of the most challenging scenarios requiring rigid bronchoscopic intervention under general anesthesia. However, these patients tend to be in poor condition for such interventions. A 91-year-old male patient with lung cancer accompanied by obstructive pneumonia underwent an Ultraflex self-expandable metallic stent placement in the right mainstem bronchus.

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Malignant pleural mesothelioma (MPM) is associated with a poor prognosis. The combination of cisplatin and pemetrexed has been established as a standard chemotherapy that confers a survival benefit. Because the regimen is sometimes hampered by the renal toxicity of cisplatin and no second-line chemotherapy has yet been established, the strategy of administering a higher total dose of pemetrexed to optimize the regimen could be promising.

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Small cell carcinoma (SCC) predominantly spreading over the pleura is exceedingly rare and difficult to diagnose without proof of malignant effusion. A 65-year-old man presented with right pleural thickening and effusion and was diagnosed with SCC based on a thoracoscopic pleural biopsy. He received combined chemotherapy consisting of cisplatin and irinotecan hydrochloride, which resulted in a complete response.

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Pulmonary aspergillomas usually occur in pre-existing lung cavities exhibiting local immunodeficiency. As pulmonary aspergillomas only partially touch the walls of the cavities containing them, they rarely come into contact with the bloodstream, which makes it difficult for antifungal agents to reach them. Although surgical treatment is the optimal strategy for curing the condition, most patients also have pulmonary complications such as tuberculosis and pulmonary fibrosis, which makes this strategy difficult.

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Brain metastases are quite common during the management of lung carcinomas. Most are solid masses with necrosis and surrounding edema, whereas purely cystic lesions are uncommon and malignant cells creating the wall are usually resistant to radiotherapy, sometimes requiring neurosurgical strategies. Cystic brain metastases from small-cell lung carcinomas are exceedingly rare and neurosurgical operations are not suitable for those cases considering invisible micrometastases.

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Superior vena cava (SVC) syndrome is usually caused by malignant tumors or their lymph node metastases oppressing a SVC. However, we encountered a case of SVC syndrome that was caused by a thrombus in the SVC, which we considered as a manifestation of Trousseau's syndrome triggered by underlying prostate cancer. A 60-year-old man patient complained of facial swelling.

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