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Pneumonia and seizures due to hypereosinophilic syndrome—organ damage and eosinophilia without synchronisation:A case report

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World Journal of Clinical Cases 2022年第18期10卷 6325-6332页

作者： Tetsuro ishida Tomonori Murayama Seiju Kobayashi Department of Psychiatry Hokujinkai Ishibashi HospitalOtaru 047-8585Japan Department of Psychiatry Kushiro Red Cross HospitalKushiro 085-8512Japan Department of Psychiatry Shinyukai Nakae HospitalSapporo 001-0022Japan

BACKGROUND Hypereosinophilic syndrome(HES)is a condition characterized by increased eosinophil proliferation in the bone marrow,as well as tissue eosinophilia,often causing organ damage.The cause of the disease is unknown.Initial symptoms include fatigue,cough,shortness of breath,myalgia,angioedema,fever,and pneumonia.In addition to the respiratory symptoms,damage to the central nervous system can lead to severe seizures.Here,we report a case with pneumonia and complex partial seizures secondary to HES.CASE SUMMARY A 94-year-old woman was admitted to our hospital for heart failure and bloody stools.After admission,she also showed symptoms of pneumonia.Non-contrast computed tomography of the chest showed pleural effusion and infiltrative shadows.Lower gastrointestinal endoscopy showed multiple ulcers in the sigmoid colon.Blood analyses showed marked eosinophilia(eosinophils 1760/mm3,total leukocytes 6850/mm3).Initial treatment with furosemide 20 mg/d and prednisolone 25 mg/d relieved these symptoms.However,the patient subsequently experienced localised epileptic seizures characterized by bilateral eyelid twitching and eyes rolling upwards,without generalized convulsions,and respiratory arrest occurred.Electroencephalography showed spikes and waves.Non-contrast magnetic resonance imaging of the brain showed extensive periventricular hyperintensity.With administration of levetiracetam 1000 mg/d the epileptic seizures disappeared.However,the patient’s consciousness remained impaired,and her pneumonia worsened again.Two weeks later,she died of pneumonia.CONCLUSION HES symptoms are variable and atypical,and the level and timing of eosinophilia and organ damage are often discordant.

关键词： Case report Hypereosinophilic syndrome Pneumonia Seizures Prednisolone Levetiracetam

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Role of phosphorylated Smad3 signal components in intraductal papillary mucinous neoplasm of pancreas

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Hepatobiliary & Pancreatic Diseases International 2020年第6期19卷 581-589页

作者： Yuichi Hori tsukasa Ikeura Takashi Yamaguchi Katsunori Yoshida Koichi Matsuzaki Mitsuaki ishida Sohei Satoi Kazuichi Okazaki Department of Gastroenterology and Hepatology Kansai Medical University2-5-1 ShinmachiHirakataOsaka 5731191Japan Department of Pathology Kansai Medical University2-5-1 ShinmachiHirakataOsaka 5731191Japan Department of Surgery Kansai Medical University2-5-1 ShinmachiHirakataOsaka 5731191Japan

Background:Malignant intraductal papillary mucinous neoplasm(IPMN)has poor prognosis.The carcinogenesis of IPMN is not clear.The aim of this study was to clarify transitions in phosphorylated Smad3 signaling during IPMN carcinogenesis.Methods:By using immunohistochemistry,we examined the expression of pSmad3C and pSmad3L from 51 IPMN surgical specimens resected at our institution between 2010 and 2013.We also examined the expression of Ki-67,c-Myc and p-JNK.Results:The median immunostaining index of pSmad3C was 79.2%in low-grade dysplasia,74.9%in highgrade dysplasia,and 42.0%in invasive carcinoma(P<0.01),whereas that of pSmad3L was 3.4%,4.3%,and 42.4%,respectively(P<0.01).There was a negative relationship between the expression of pSmad3C and c-Myc(P<0.001,r=-0.615)and a positive relationship between the expression of pSmad3L and c-Myc(P<0.001,r=0.696).Negative relationship between the expression of pSmad3C and Ki-67(P<0.01,r=-0.610)and positive relationship between the expression of pSmad3L and Ki-67(P<0.01,r=0.731)were confirmed.p-JNK-positive cells were frequently observed among pSmad3L-positive cancer cells.The median of pSmad3L/pSmad3C ratio in the non-recurrence group and the recurrence group were 0.58(range,0.05–0.93),3.83(range,0.85–5.96),respectively(P=0.02).The median immunostaining index of c-Myc in the non-recurrence group and the recurrence group were 2.91(range,0–36.9)and 82.1(range,46.2–97.1),respectively(P=0.02).The median immunostaining index of Ki-67 in the non-recurrence group and the recurrence group were 12.9(range 5.7–30.8)and 90.9(range 52.9–98.5),respectively(P=0.02).Conclusions:pSmad3L was upregulated in malignant IPMN.pSmad3L/pSmad3C ratio may be a useful prognostic factor in IPMN.

关键词： Intraductal papillary mucinous neoplasms of the pancreas Immunohistochemistry Phosphorylated Smad Carcinogenesis Prognosis

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A backpropagation neural network improved by a genetic algorithm for predicting the mean radiant temperature around buildings within the long-term period of the near future

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Building Simulation 2022年第3期15卷 473-492页

作者： Yuquan Xie Yasuyuki ishida Jialong Hu Akashi Mochida Department of Architecture and Building Science Graduate School of EngineeringTohoku UniversityJapan Institute of Technology Tokyu ConstructionJapan

This study aimed to develop a neural network(NN)-based method to predict the long-term mean radiant temperature(MRT)around buildings by using meteorological parameters as training data.The MRT dramatically impacts building energy consumption and significantly affects outdoor thermal comfort.In NN-based long-term MRT prediction,two main restrictions must be overcome to achieve precise results:first,the difficulty of preparing numerous training datasets;second,the challenge of developing an accurate NN model.To overcome these restrictions,a combination of principal component analysis(PCA)and K-means clustering was employed to reduce the training data while maintaining high prediction accuracy.Second,three widely used NN models(feedforward NN(FFNN),backpropagation NN(BPNN),and BPNN optimized using a genetic algorithm(GA-BPNN))were compared to identify the NN with the best long-term MRT prediction performance.The performances of the tested NNs were evaluated using the mean absolute percentage error(MAPE),which was≤3%in each case.The findings indicate that the training dataset was reduced effectively by the PCA and K-means.Among the three NNs,the GA-BPNN produced the most accurate results,with its MAPE being below 1%.This study will contribute to the development of fast and feasible outdoor thermal environment prediction.

关键词： backpropagation neural network principal component analysis mean radiant temperature K-means clustering genetic algorithm long-term prediction

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Factors other than fibrosis that increase measured shear wave velocity

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World Journal of Gastroenterology 2022年第46期28卷 6512-6521页

作者： Hiroko Naganuma Hideaki ishida Department of Gastroenterology Yokote Municipal HospitalYokote 013-8602Japan Department of Gastroenterology Akita Red Cross HospitalAkita 010-1495Japan

Shear wave elastography(SWE)is now becoming an indispensable diagnostic tool in the routine examination of liver diseases.In particular,accuracy is required for shear wave propagation velocity measurement,which is directly related to diagnostic accuracy.It is generally accepted that the liver shear wave propagation velocity reflects the degree of fibrosis,but there are still few reports on other factors that increase the shear wave propagation velocity.In this study,we reviewed such factors in the literature and examined their mechanisms.Current SWE measures propagation velocity based on the assumption that the medium has a homogeneous structure,uniform density,and is purely elastic.Otherwise,the measurement is subject to error.The other(confounding)factors that we routinely experience are primarily:(1)Conditions that appear to increase the viscous component;and(2)Conditions that appear to increase tissue density.Clinically,the former includes acute hepatitis,congested liver,biliary obstruction,etc,and the latter includes diffuse infiltration of malignant cells,various storage diseases,tissue necrosis,etc.In any case,it is important to evaluate SWE in the context of the entire clinical picture.

关键词： Liver Shear wave elastography Propagation velocity Viscoelasticity Artifact Ultrasound

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Current research of idiopathic normal pressure hydrocephalus:Pathogenesis,diagnosis and treatment

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World Journal of Clinical Cases 2023年第16期11卷 3706-3713页

作者： Tetsuro ishida Tomonori Murayama Seiju Kobayashi Department of Psychiatry Japan Health Care CollegeSapporo 062-0053HokkaidoJapan Department of Psychiatry Asahikawa Keisenkai HospitalAsahikawa 078-8208HokkaidoJapan Department of Psychiatry Shinyukai Nakae HospitalSapporo 001-0022HokkaidoJapan

Idiopathic normal pressure hydrocephalus(iNPH)is caused by impaired cerebrospinal fluid absorption in the elderly;it is a surgically treatable form of dementia.Gait disturbance,dementia,and urinary incontinence are the triad of signs for iNPH.In addition to these clinical findings,imaging studies show characteristic ventricular enlargement.High Evans Index and‘disproportionately enlarged subarachnoid hydrocephalus’are other well-known imaging findings of iNPH.If the tap test shows improved symptoms,shunt surgery is performed.The disease was first described by Hakim and Adams in 1965,followed by the publication of the first,second,and third editions of the guidelines in 2004,2012,and 2020,respectively.Recent studies signal the glymphatic system and classical cerebrospinal fluid(CSF)absorption from the dural lymphatics as aetiological mechanisms of CSF retention.Research is also underway on imaging test and biomarker developments for more precise diagnosis,shunting technique options with fewer sequelae and complications,and the influence of genetics.Particularly,the newly introduced‘suspected iNPH’in the third edition of the guidelines may be useful for earlier diagnosis.However,less well-studied areas remain,such as pharmacotherapy in non-operative indications and neurological findings other than the triadic signs.This review briefly presents previous research on these and future issues.

关键词： Review Idiopathic normal pressure hydrocephalus Treatable dementia Shunt surgery Drug therapy

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A case of conjunctival intraepithelial neoplasia with spheroidal degeneration:a clinicopathological study

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International Journal of Ophthalmology(English edition) 2022年第8期15卷 1401-1403页

作者： Shoichiro Ota Satoru Kase Takayuki Tanaka Susumu ishida Department of Ophthalmology Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporo 060-8638Japan

Dear Editor,I am Shoichiro Ota from Hokkaido University hospital,Japan.Conjunctival intraepithelial neoplasia(CIN)is a disease concept that includes dysplasia and carcinoma in situ.Pathologically,CIN is characterized by tumor cell proliferation located within the epithelium with preservation of the basement membrane[1].In addition to histological diagnosis,anterior segment optical coherence tomography(ASOCT)plays an important role in clinical diagnosis,showing diffuse epithelial thickening with homogeneous high-intensity reflection in case of CIN[2-3].

关键词： diagnosis degeneration neoplasia

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Importance of an appropriate number of examined lymph nodes in patients with pancreatic cancer-the more the better?

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Hepatobiliary Surgery and Nutrition 2022年第4期11卷 605-607页

作者： Toshiro Ogura Hiroyuki ishida Amane Takahashi Yoshiyuki Kawashima Department of Gastroenterological Surgery Saitama Cancer CenterSaitamaJapan

Pancreatic cancer is a highly aggressive malignant cancer with a 5-year survival rate of approximately 10%.The outcome of patients diagnosed with resectable pancreatic cancer as per the National Comprehensive Cancer Network(NCCN)classification and those who underwent resection was not satisfactory.Similar to other abdominal malignant tumors,the stages of pancreatic cancer are defined by local extension,lymph node metastasis,and distant metastasis.The presence or absence of lymph node metastasis is diagnosed by pathological examination of the retrieved lymph,the quality of the diagnosis based on lymph node(N)staging depends on the surgical and pathological aspects(1).

关键词： lymph metastasis patients

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Conjunctival cyst with apocrine hidrocystoma-like features:a case report

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International Journal of Ophthalmology(English edition) 2023年第3期16卷 465-467页

作者： Takafumi Igarashi Satoru Kase Yuka Suimon Emi Takakuwa Susumu ishida Department of Ophthalmology Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporo 0608638Japan Department of Surgical Pathology Hokkaido University HospitalSapporo 0608638Japan

Dear Editor,I am Takafumi Igarashi from Hokkaido University Hospital,Japan.Apocrine hidrocystoma is a benign cystic tumor arising in the apocrine sweat glands proposed by Mehregan^([1])in 1964.It is likely that apocrine hidrocystoma arises in the uvula,ears,chest,and shoulders,as well as the (peri)ocular regions such as the eyelid,and sclera^([2-4]).

关键词： apo ocular likely

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Laser speckle flowgraphy findings in a patient with radiation retinopathy

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International Journal of Ophthalmology(English edition) 2022年第1期15卷 172-174页

作者： Satoru Kase Ayaka Hasegawa Kiriko Hirooka Hiroaki Endo Kousuke Noda Susumu ishida Department of Ophthalmology Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporo 060-8638Japan Department of Ophthalmology Teine Keijinkai HospitalSapporo 006-0811Japan

Dear Editor,I am Satoru Kase, from Hokkaido University Hospital, Japan. Choroidal melanoma is a serious intraocular tumor, which threatens patients’ vision and life. Treatments for choroidal melanoma consist of surge... 详细信息

关键词： melanoma surgery intraocular

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Linear nonadiabatic pulsation models of the double-mode Cepheid V371 Per

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Research in Astronomy and Astrophysics 2017年第6期17卷 11-16页

作者： Toshihito ishida Center for Astronomy Institute of Natural and Environmental Science University of Hyogo Sayo-cho Hyogo 679-5313 Japan

A recently found double-mode Cepheid with the shortest known period in our Galaxy and abnormal period ratio, V371 Per, is investigated by linear nonadiabatic pulsation models. V371 Per is likely to be crossing the instability strip for the first time, because the mass derived from pulsation models is larger than the evolution mass for the second or higher crossing objects. This result seems to support the conclusion obtained from spectroscopic observation. We also found that models with observed period and period ratio of V371 Per need to have mass and Teff in a narrow range which shifts as heavy element abundance Z changes. We have checked the agreement between Teffranges estimated observationally and derived from pulsation models using observational Z. We found that those ranges overlap marginally. We need more spectroscopic estimations of Teff and [Fe/H], and more photometric monitoring to estimate the evolutional period change for confirmation of our result.

关键词： stars： oscillations （including pulsations） - stars variables Cepheids - stars individual （V371 Per）

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