Publications by authors named "Shimomura M"

Pyoderma gangrenosum (PG) is an extremely rare disorder in children. We report a nine-month-old girl with PG who presented with high-grade fever and rapidly progressive ulcers at the site of a Bacillus Calmette-Guérin (BCG) inoculation 2 months after the immunization. Additional small pustules developed on her hand and posterior neck three months after the immunization and rapidly progressed.

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Minimally invasive thoracoscopic thymectomy has been indicated in patients with non-invasive thymic epithelial tumors or myasthenia gravis. Sub-xiphoid thymectomy has an advantage of similar surgical view of median sternotomy as compare to lateral approach. Since anterior mediastinum is anatomically limited space, robotic approach with carbon dioxide (CO2) insufflation has led a drastic innovation in thymectomy.

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  • - The study investigated how preoperative sarcopenia (muscle loss) and prognostic nutritional index (PNI) relate to clinical outcomes in non-small cell lung cancer (NSCLC) patients post-surgery, finding these factors can help predict patient prognosis and recovery.
  • - Involving 300 patients with early-stage NSCLC, it measured muscle mass and nutritional status, revealing that those with sarcopenia and low PNI had significantly poorer survival rates and responses to treatment compared to others.
  • - Results emphasized that preoperative sarcopenia combined with low PNI is a strong indicator of poor prognosis regardless of tumor characteristics, highlighting the need for nutritional support in these patients prior to surgery.
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  • Completion of postoperative adjuvant chemotherapy (AC) is crucial for improving the prognosis of patients with pathological stage III colorectal cancer (CRC), making it essential to identify those who may not tolerate AC.
  • The study analyzed 161 patients and found that a higher volume of abdominal aortic calcification (AAC) was significantly associated with older age, male sex, hypertension, and a greater likelihood of not completing AC.
  • Results indicated that while the frequency or severity of adverse events was similar between high and low AAC groups, both high AAC and older age were strong predictors of AC incompletion, suggesting that AAC could be a risk marker for assessing patients before starting AC treatment.
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Shiikuwasha, a citrus fruit native to Okinawa, Japan, has various cultivation lines with distinct free volatile and non-volatile components. However, the glycosylated volatiles, which are sources of hidden aromas, remain unknown. This study aimed to characterize the chemical profiles of free and glycosidically bound volatile as well as non-volatile components in the mature fruits of six Shiikuwasha cultivation lines: Ishikunibu, Izumi kugani-like, Kaachi, Kohama, Nakamoto seedless, and Ogimi kugani.

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The discovery and elucidation of the surface microstructure functions of living organisms are crucial to resolving issues, such as friction. We newly discovered that , a type of carrion beetle that lives on the ground surface, exhibited a hierarchical surface microstructure comprising a submicron-sized wrinkle structure on top of a micron-sized microstructure. The surface microstructure of this beetle improved wettability but did not exhibit superhydrophobicity, a well-known function of hierarchical structures, so it was expected to have a different function.

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Two novel pyrroloiminoquinone alkaloids, 6-chlorodamirone A and 6-bromodamirone A, have been identified for the first time from the marine sponge sp. (order: Poecilosclerida: family Latrunculiidae), sourced from Western Australia. Alongside these new compounds, seven previously known metabolites were also isolated.

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  • A 90-year-old man had advanced colon cancer treated through various endoscopic procedures and laparoscopic surgery, but a year later, a surveillance colonoscopy revealed new cancer at the site of a previous endoscopic lesion.
  • The new cancer was likely caused by cancer cells from the original tumor being implanted in the ulcer created during the endoscopic procedure.
  • Cancer genomic testing showed that most genetic mutations found in the new cancer matched those from the original descending colon cancer, reinforcing the idea that cells can be transferred and lead to new tumors after endoscopic interventions.
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  • Rectal neuroendocrine carcinomas (NECs) are rare tumors with a worse prognosis compared to common adenocarcinomas, and the role of adjuvant chemotherapy after surgery is not well-established.
  • A 48-year-old woman diagnosed with rectal NEC following a laparoscopic resection received postoperative chemotherapy with irinotecan and cisplatin, showing no recurrence after three years.
  • This case emphasizes the need for a combination of surgical and chemotherapy treatments in managing aggressive rectal NECs effectively.
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  • The Letter reports the most accurate measurement so far of the matter-antimatter imbalance during Pb-Pb collisions at a high energy level of 5.02 TeV.
  • It utilizes the Statistical Hadronization framework to determine precise values for the electric charge and baryon chemical potentials, μ_{Q} and μ_{B}.
  • The analysis of antiparticle-to-particle yield ratios shows that the collisions create a system that is generally baryon-free and electrically neutral at midrapidity.
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Aim: Although immune checkpoint inhibitors (ICPi) for salivary gland cancer (SGC) have been investigated in clinical trials, details of the tumor immune microenvironment (TIME) remain unclear. This research aimed to elucidate the TIME of SGC and its relationship with tumor mutation burden (TMB) and to explore the rationale for the applicability of ICPi.

Materials And Methods: We selected five pathological types, namely adenoid cystic carcinoma (ACC); adenocarcinoma, not otherwise specified (ANOS); salivary duct carcinoma (SDC); and low/high-grade mucoepidermoid carcinoma (MEC).

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The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum (high p_{T}) hadron trigger in proton-proton and central Pb-Pb collisions at sqrt[s_{NN}]=5.02  TeV. A data-driven statistical method is used to mitigate the large uncorrelated background in central Pb-Pb collisions.

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  • Blinatumomab is a bispecific T-cell engager specifically targeting CD3 and CD19, primarily used for treating relapsed or refractory B-cell precursor acute lymphoblastic leukemia (BCP-ALL).
  • While it shows effectiveness in treatment, it can lead to serious side effects, including cytokine release syndrome and various neurological complications.
  • A case study involving a pediatric patient demonstrated that blinatumomab can cause rare encephalopathy, which began with uncontrollable seizures and progressed to cerebral infarction, resulting in prolonged paralysis and significant brain damage.
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Purpose: To evaluate the usefulness of robotic subxiphoid-optical thymectomy (RST).

Methods: Thirty-seven procedures (thymoma, n = 19; thymic carcinoma, n = 1; myasthenia gravis, n = 3; and others, n = 14) performed between October 2020 and December 2023 were included. The right and left 6th intercostal midclavicular lines and subxiphoid, with an assistant port placed in the right third intercostal anterior axillary line, were adapted.

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K^{+}K^{-} pairs may be produced in photonuclear collisions, either from the decays of photoproduced ϕ(1020) mesons or directly as nonresonant K^{+}K^{-} pairs. Measurements of K^{+}K^{-} photoproduction probe the couplings between the ϕ(1020) and charged kaons with photons and nuclear targets. The kaon-proton scattering occurs at energies far above those available elsewhere.

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  • An 11-year-old boy developed a cardioembolic stroke after being treated for Ewing sarcoma with high-dose chemotherapy, including doxorubicin.
  • He presented with severe aphasia and imaging revealed a blockage in the left middle cerebral artery, along with significant heart dysfunction and a thrombus.
  • After receiving intravenous thrombolysis, the blockage was successfully cleared, and the patient showed no neurological deficits upon discharge, indicating potential for reperfusion therapy in similar pediatric cases.
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Kikuchi-Fujimoto disease (KFD) is an inflammatory disease of unknown aetiology characterised by fever and cervical lymphadenopathy. Although KFD is a self-limiting disease, patients with severe or long-lasting course require glucocorticoid therapy. We presently report a 17-year-old boy with KFD who had seven relapses since the onset at 4 years old.

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  • - This Letter discusses the measurement of ridge yields from charged hadron angular correlations in proton-proton collisions at a high energy of 13 TeV, specifically within certain pseudorapidity and transverse momentum ranges.
  • - The research extends ridge yield measurements to low charged-particle multiplicity regions, where typically a strong interacting medium is not expected to form during collisions.
  • - Findings indicate that ridge yields in pp collisions are significantly higher than those observed in e^{+}e^{-} collisions, suggesting that processes in e^{+}e^{-} annihilations do not significantly influence long-range correlations in proton-proton interactions.
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Background: A technical qualification system was developed in 2004 by the Japan Society for Endoscopic Surgery. An analysis of the EnSSURE study on 3188 stage II-III rectal cancer patients, which was performed by including the participation of qualified surgeons as assistants and advisers without restricting their participation as operators, revealed that the participation of technically qualified surgeons in surgery improved the technical and oncological safety of laparoscopic rectal resection.

Aim: This secondary retrospective analysis of the EnSSURE study examined the advantage of qualified surgeons participating in laparoscopic low anterior resection (LAR).

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  • The ALICE detector measured the cross section for incoherent photonuclear production of J/ψ vector mesons, focusing on the Mandelstam |t| variable, during ultraperipheral collisions of Pb nuclei at a very high energy of 5.02 TeV.
  • The measurement was conducted within a rapidity interval of |y|<0.8 and covers a specific range of Bjorken-x values.
  • Analysis showed that models without quantum fluctuations in the gluon density predicted a much steeper |t|-dependence than observed, but including these fluctuations improved the models' alignment with the data.
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Two-dimensional black phosphorus (2D BP) has attracted significant research interest in the field of biomedical applications due to its unique characteristics, including high biocompatibility, impressive drug-loading efficiency, phototherapeutic ability, and minimal side effects. However, its puckered honeycomb lattice structure with lone-pair electrons of BP leads to higher sensitivity and chemical reactivity towards HO and O molecules, resulting in the degradation of the structure with physical and chemical changes. In our study, we synthesize polyethylene glycol (PEG) and glutathione-stabilized doxorubicin drug-assembled Au nanoparticle (Au-GSH-DOX)-functionalized BP nanosheets (BP-PEG@Au-GSH-DOX) with improved degradation stability, biocompatibility, and tumor-targeting ability.

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We report a 9-year-old Japanese girl with chronic non-bacterial osteomyelitis (CNO) accompanied by recurrent erythema nodosum (EN) which was successfully treated with salazosulfapyridine (SASP). She was referred to our hospital because of recurrent erythema on her lower extremities and persistent knee and ankle arthralgia, which had been present for approximately 1 year. Although naproxen, a nonsteroidal anti-inflammatory drug, was initiated, her symptoms frequently recurred.

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