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| 1 | Peroxisome proliferator-activated receptors for hypertension显示文摘Peroxisome proliferator-activated receptors(PPARs) are ligand-activated transcription factors belonging to the nuclear receptor superfamily, which is composed of four members encoded by distinct genes(α, β, γ, and δ). The genes undergo transactivation or transrepression under specific mechanisms that lead to the induction or repression of target gene expression. As is the case with other nuclear receptors, all four PPAR isoforms contain five or six structural regions in four functional domains; namely, A/B, C, D, and E/F. PPARs have many functions, particularly functions involving control of vascular tone, inflammation, and energy homeostasis, and are, therefore, important targets for hypertension, obesity, obesity-induced inflammation, and metabolic syndrome in general. Hence, PPARs also represent drug targets, and PPARα and PPARγ agonists are used clinically in the treatment of dyslipidemia and type 2 diabetes mellitus, respectively. Because of their pleiotropic effects, they have been identified as active in a number of diseases and are targets for the development of a broad range of therapies for a variety of diseases. It is likely that the range of PPARγ agonist therapeutic actions will result in novel approaches to lifestyle and other diseases. The combination of PPARs with reagents or with other cardiovascular drugs, such as diuretics and angiotensin Ⅱ receptor blockers, should be studied.This article provides a review of PPAR isoform characteristics, a discussion of progress in our understanding of the biological actions of PPARs, and a summary of PPAR agonist development for patient management. We also include a summary of the experimental and clinical evidence obtained from animal studies and clinical trials conducted to evaluate the usefulness and effectiveness of PPAR agonists in the treatment of lifestyle-related diseases. | Daisuke Usuda Tsugiyasu Kanda | 2014 | World Journal of Cardiology2014，6，8： | 19 |
| 2 | Hemorrhagic shock due to submucosal esophageal hematoma along with mallory-weiss syndrome:A case report显示文摘BACKGROUND Esophageal submucosal hematoma is a rare condition.Although the exact etiology remains uncertain,vessel fragility with external factors is believed to have led to submucosal bleeding and hematoma formation;the vessel was ruptured by a sudden increase in pressure due to nausea,and the hematoma was enlarged by antiplatelet or anticoagulant therapy.Serious conditions are rare,with a better prognosis.We present the first known case of submucosal esophageal hematoma-subsequent hemorrhagic shock due to Mallory-Weiss syndrome.CASE SUMMARY A 73-year-old female underwent endovascular treatment for an unruptured cerebral aneurysm.The patient received aspirin and clopidogrel before surgery and heparin during surgery,and was well during the surgery.Several hours after returning to the ICU,she complained of chest discomfort,vomited 500 m L of fresh blood,and entered hemorrhagic shock.Esophageal submucosal hematoma with Mallory-Weiss syndrome was diagnosed through an endoscopic examination and computed tomography.In addition to a massive fluid and erythrocyte transfusion,we performed a temporary compression for hemostasis with a Sengstaken-Blakemore(S-B)tube.Afterwards,she became hemodynamically stable.On postoperative day 1,we performed an upper gastrointestinal endoscopy and confirmed no expansion of the hematoma nor any recurring bleeding;therefore,we removed the S-B tube and clipped the gastric mucosal laceration at the esophagogastric junction.We started oral intake on postoperative day 10.The patient made steady progress,and was discharged on postoperative day 33.CONCLUSION We present the first known case of submucosal esophageal hematoma subsequent hemorrhagic shock due to Mallory-Weiss syndrome. | Jiro Oba Daisuke Usuda Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Hayabusa Takano Shintaro Shimozawa Yuta Hotchi Kenki Usami Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita | 2022 | World Journal of Clinical Cases2022，10，27： | 3 |
| 3 | Angiotensin receptor blocker neprilysin inhibitors显示文摘Heart failure(HF)is a clinical syndrome that results from a structural or functional cardiac disorder that reduces the ability of the ventricle of the heart to fill with,or eject,blood.It is a multifaceted clinical condition that affects up to 2%of the population in the developed world,and is linked to significant morbidity and mortality;it is therefore considered a major concern for public health.Regarding the mechanism of HF,three neurohumoral factors-the reninangiotensin-aldosterone system,the sympathetic nervous system,and natriuretic peptides—are related to the pathology of chronic HF(CHF),and the targets of treatment.Angiotensin receptor blocker and neprilysin inhibitor(angiotensinreceptor neprilysin inhibitor),namely sacubitril/valsartan(SAC/VAL),has been introduced as a treatment for CHF.SAC/VAL is an efficacious,safe,and costeffective therapy that improves quality of life and longevity in patients with HF with reduced ejection fraction(HFrEF),and reduces hospital admissions.An inhospital initiation strategy offers a potential new avenue to improve the clinical uptake of SAC/VAL.In the last five years,SAC/VAL has been established as a cornerstone component of comprehensive disease-modifying medical therapy in the management of chronic HFrEF.On the other hand,further work,with carefully designed and controlled preclinical studies,is necessary for understanding the molecular mechanisms,effects,and confirmation of issues such as long-term safety in both human and animal models. | Daisuke Usuda Toshihiro Higashikawa Yuta Hotchi Kenki Usami Shintaro Shimozawa Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Toshihiko Yoshizawa Suguru Asako Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2021 | World Journal of Cardiology2021，13，8： | 2 |
| 4 | Intracranial malignant solitary fibrous tumor metastasized to the chest wall:A case report and review of literature显示文摘BACKGROUND Solitary fibrous tumor(SFT)is a rare fibroblastic mesenchymal neoplasm that affects spindle cell soft tissues with broad-spectrum biological behavior;it is predominantly benign,and rarely metastasizes.SFT occurs mainly in the tissue structure of the serosa in the pleura and the thorax,and can be found throughout the body,though extra-thoracic localization,including the cephalic region,is uncommon.We reported the first case of intracranial malignant SFT metastasized to the chest wall.CASE SUMMARY An 81-year-old Japanese man was referred to our hospital due to progressive gait disturbance and appetite loss.His medical history included partial resection due to brain tumor,four times,and 50-Gray radiation therapy at another hospital,starting when he was 74 years old.An unenhanced head computed tomography(CT)scan revealed an 8 cm×5.1 cm×6.5 cm mixed-density mass at the left frontal lobe,accompanying a midline shift,and an unenhanced chest-abdomen CT scan revealed a 6 cm×4.1 cm×6.5 cm low-density mass in the left chest wall.A CT-guided percutaneous lung biopsy was performed,and the pathological findings were SFT corresponding to brain tumor.Finally,the correct diagnosis of his brain tumor in history of past illness revealed to be SFT,and the unremovable tumor,namely present brain lesions enlarged and metastasized to the chest wall.We established a definitive diagnosis of intracranial malignant SFT metastasized to the chest wall.We notified him and his family of the disease,and offered palliative care.He passed away on the 29 th hospital day.CONCLUSION This case suggests the need for careful,detailed examination,and careful followup when encountering patients presenting with a mass. | Daisuke Usuda Shinya Yamada Toshihide Izumida Ryusho Sangen Toshihiro Higashikawa Ken Nakagawa Masaharu Iguchi Yuji Kasamaki | 2020 | World Journal of Clinical Cases2020，8，20： | 2 |
| 5 | Amebic liver abscess by Entamoeba histolytica显示文摘Amebic liver abscesses(ALAs)are the most commonly encountered extraintestinal manifestation of human invasive amebiasis,which results from Entamoeba histolytica(E.histolytica)spreading extraintestinally.Amebiasis can be complicated by liver abscess in 9%of cases,and ALAs led to almost 50000 fatalities worldwide in 2010.Although there have been fewer and fewer cases in the past several years,ALAs remain an important public health problem in endemic areas.E.histolytica causes both amebic colitis and liver abscess by breaching the host’s innate defenses and invading the intestinal mucosa.Trophozoites often enter the circulatory system,where they are filtered in the liver and produce abscesses,and develop into severe invasive diseases such as ALAs.The clinical presentation can appear to be colitis,including upper-right abdominal pain accompanied by a fever in ALA cases.Proper diagnosis requires nonspecific liver imaging as well as detecting anti-E.histolytica antibodies;however,these antibodies cannot be used to distinguish between a previous infection and an acute infection.Therefore,diagnostics primarily aim to use PCR or enzyme-linked immunosorbent assay to detect E.histolytica.ALAs can be treated medically,and percutaneous catheter drainage is only necessary in approximately 15%of cases.The indicated treatment is to administer an amebicidal drug(such as tinidazole or metronidazole)and paromomycin or other luminal cysticidal agent for clinical disease.Prognosis is good with almost universal recovery.Establishing which diagnostic methods are most efficacious will necessitate further analysis of similar clinical cases. | Daisuke Usuda Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Hayabusa Takano Shintaro Shimozawa Yuta Hotchi Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2022 | World Journal of Clinical Cases2022，10，36： | 0 |
| 6 | Atypical lipomatous tumor in the ligamentum teres of liver:A case report and review of the literature显示文摘A 61-year-old male was referred to our hospital with a three-month history of persistent epigastralgia and right hypochondralgia. Initial examination revealed a fist-size mass at the epigastric fossa. Ultrasonography showed a hemangioma and a mosaic echoic lesion in the ventromedian with poor blood-flow signal and linear hyperechoic part inside, and a clear border to the surroundings. Dynamic computed tomography revealed a highly enhanced effect from the portal-venous phase continuing to the equilibrium phase. T1-weighted gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid-enhanced image revealed a high intensity effect at the early phase that continued to the next phase. On the other hand, it contained a low intensity area by a fat suppression of that image. In addition, a T2-weighted image did not show a high intensity effect. Laparotomy was performed on the second day of hospitalization. The tumor had arisen from the ligamentum teres of the liver, and no metastasis or invasion of other organs was noted. It consisted of a lipid component of mature adipocytes and a fibrous component of deep dyeing pleomorphic or multinuclear atypical stromal cells. Immunohistochemical study of the atypical stromal cells demonstrated that they were positive for MDM2 and CDK4. A pathological diagnosis of atypical lipomatous tumor(ALT) was made, and the patient was discharged on the eighth day following the procedure. At the 6-mo follow-up dynamic CT, the patient was free of recurrence or metastasis. We experienced a patient with ALT in the ligamentum teres of the liver. This case suggests the need for a careful and detailed examination when encountering patients presenting with a mass; when neoplastic lesion is confirmed by image inspection, we should thoroughly investigate, including further image investigations and pathologic examination. The latter is the most important. | Daisuke Usuda Kento Takeshima Ryusho Sangen Kisuke Nakamura Kei Hayashi Hideyuki Okamura Yasuhiro Kawai Yuji Kasamaki Yoshitsugu Iinuma Hitoshi Saito Tsugiyasu Kanda Sachio Urashima | 2018 | World Journal of Clinical Cases2018，6，12： | 0 |
| 7 | High doses of dextromethorphan induced shock and convulsions in a 19-year-old female:A case report显示文摘BACKGROUND Dextromethorphan is a prevalent antitussive agent that can be easily obtained as an over-the-counter medication.There has been a growing number of reported cases of toxicity in recent years.Generally,there are numerous instances of mild symptoms,with only a limited number of reports of severe cases necessitating intensive care.We presented the case of a female who ingested 111 tablets of dextromethorphan,leading to shock and convulsions and requiring intensive care that ultimately saved her life.CASE SUMMARY A 19-year-old female was admitted to our hospital via ambulance,having overdosed on 111 tablets of dextromethorphan(15 mg)obtained through an online importer in a suicide attempt.The patient had a history of drug abuse and multiple self-inflicted injuries.At the time of admission,she exhibited symptoms of shock and altered consciousness.However,upon arrival at the hospital,the patient experienced recurrent generalized clonic convulsions and status epilepticus,necessitating tracheal intubation.The convulsions were determined to have been caused by decreased cerebral perfusion pressure secondary to shock,and noradrenaline was administered as a vasopressor.Gastric lavage and activated charcoal were also administered after intubation.Through systemic management in the intensive care unit,the patient’s condition stabilized,and the need for vasopressors ceased.The patient regained consciousness and was extubated.The patient was subsequently transferred to a psychiatric facility,as suicidal ideation persisted.CONCLUSION We report the first case of shock caused by an overdose of dextromethorphan. | Shintaro Shimozawa Daisuke Usuda Toru Sasaki Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Yuta Hotchi Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Suguru Asako Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2023 | World Journal of Clinical Cases2023，11，16： | 0 |
| 8 | Penile and scrotal strangulation by stainless steel rings in an human immunodeficiency virus positive man: A case report显示文摘BACKGROUND Penoscrotal constriction devices are either used as autoerotic stimuli or to increase sexual pleasure or performance by maintaining an erection for a longer period,and a variety of metallic and non-metallic objects are used.On the other hand,penile strangulation is a rare urologic emergency that requires prompt evaluation and intervention to prevent long-term complications.The goal of treating penile incarceration is to remove the foreign object as soon as possible.On the other hand,removal can be very challenging,and often requires resourcefulness and a multidisciplinary approach.CASE SUMMARY A 47-year-old man who has sex with men was transferred to our hospital for persistent phallodynia and scrotal pain,accompanying swelling due to strangulation by stainless steel rings.His medical history included acquired immunodeficiency syndrome.One day prior,he had put three stainless steel rings on his penis and scrotum before sexual intercourse.After sexual intercourse,he was unable to remove them,due to swelling of his penis and scrotum.The swelling persisted,and he felt pain in the affected area the next day,then he was transferred to our hospital by ambulance.The emergency department found that his penis and scrotum were markedly engorged and swollen.We established a diagnosis of penile and scrotal strangulation by stainless steel rings.We unsuccessfully attempted to cut the rings using a cutter,then requested a rescue team via emergency medical service.They cut through each ring in two places,using an electric-powered angle grinder,and successfully removed all of the pieces.Finally,he was discharged and went home.CONCLUSION We report the first case of penile and scrotal strangulation by stainless steel rings in an human immunodeficiency virus positive person. | Daisuke Usuda Nobuyoshi Kaminishi Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2023 | World Journal of Clinical Cases2023，11，24： | 0 |
| 9 | Secondary pulmonary infection by Fusarium solani and Aspergillus niger during systemic steroid treatment for COVID-19:A case report显示文摘BACKGROUND Coronavirus disease 2019(COVID-19)-associated invasive pulmonary aspergillosis presents a diagnostic challenge due to its non-specific clinical/imaging features,as well as the fact that the proposed clinically diagnostic algorithms do not necessarily apply to COVID-19 patients.In addition,Fusarium spp.is a rare cause of opportunistic life-threatening fungal infections.Disseminated Fusarium infection in an immunocompromised host is intractable,with a high likelihood of resulting mortality.To our knowledge,this is the first case of secondary pulmonary infection by Fusarium solani(F.solani)and Aspergillus niger(A.niger)during systemic steroid treatment for COVID-19.CASE SUMMARY A 62-year-old male was transported to our hospital by ambulance with a complaint of fever and dyspnea.We established a diagnosis of pneumococcal pneumonia,complicated with COVID-19 and septic shock,together with acute renal failure.He was admitted to the intensive care unit,to be treated with piperacillin/tazobactam,vancomycin,and 6.6 mg per day of dexamethasone sodium phosphate,along with noradrenaline as a vasopressor,ventilator management,and continuous hemodiafiltration.His condition improved,and we finished the vasopressor on the fifth hospital day.We administered dexamethasone for ten days,and finished the course of treatment.On the eleventh day,patient respiratory deterioration was observed,and a computed tomography scan showed an exacerbation of bilateral ground-glass-opacity-like consolidation,together with newly appeared cavitary lesions in the lung.we changed antibiotics to meropenem plus vancomycin.In addition,a fungal infection was considered as a possibility based on microscopic findings of sputum,and we began coadministration of voriconazole.However,the pneumonia worsened,and the patient died on the seventeenth day of illness.Later,F.solani and A.niger were identified from sputum collected on the twelfth day.It was believed that he developed a cell-mediated immune deficiency during COVID-19 treatment,which led to the complication of pneumonia caused by the above-mentioned fungi,contributing to his death.CONCLUSION Because early initiation of intense antifungal therapy offers the best chance for survival in pulmonary fusariosis,computed tomography scans and appropriate microbiologic investigations should be obtained for severely immunocompromised patients. | Daisuke Usuda Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2023 | World Journal of Clinical Cases2023，11，26： | 0 |
| 10 | Evaluation study on properties of a macroporous silica-based CMPO extraction resin to be used forminor actinides separation from high level liquid waste显示文摘Basic properties of a silica-based octyl(phenyl)-N,N-diisobutylcarbamoyl-methylphosphine oxide (CMPO) extraction resin (CMPO/SiO2-P) was investigated.Adsorption behavior for some rare earth elements (RE) which are constituents of high level liquid waste (HLLW) and the long-term stability of the extraction resin in nitric acid solution were examined.The CMPO extraction resin was significantly stable in 3 mol·L?1 HNO3 solution at 50oC.Furthermore,the RE(III) were efficiently separated from non-adsorptive fission product (FP) elements such as Sr(II) in a column experiment using a highly nitric acid solution.The separation behaviors of the elements are considered to result from the difference in their adsorption and elution selectivity based on the complex formation with CMPO.There was no strong dependency of RE(III) separation efficiency on feed solution flow rate.Only from the perspectives of the acid-resistant behavior of CMPO extraction resin and the elution kinetics for the metal ions with the extraction resin,the CMPO extraction resin can be used in the modified MAREC process for HLLW partitioning. | LIU Ruiqin WEI Yuezhou Daisuke Tozawa XU Yuanlai Shigekazu Usuda Hiromichi Yamazaki Keizo Ishii Yuichi Sano Yoshikazu Koma | 2011 | Nuclear Science and Techniques2011，22，1： | 0 |
| 11 | Exophiala dermatitidis显示文摘Exophiala is a genus comprising several species of opportunistic black yeasts,which belongs to Ascomycotina.It is a rare cause of fungal infections.However,infections are often chronic and recalcitrant,and while the number of cases is steadily increasing in both immunocompromised and immunocompetent people,detailed knowledge remains scarce regarding infection mechanisms,virulence factors,specific predisposing factors,risk factors,and host response.The most common manifestations of Exophiala infection are skin infections,and the most frequent type of deep infection is pulmonary infection due to inhalation.The invasive disease ranges from cutaneous or subcutaneous infection to systemic dissemination to internal organs.The final identification of the causative organism should be achieved through a combination of several methods,including the newly introduced diagnostic analysis,matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry,together with sequencing of the ribosomal ribonucleic acid internal transcribed spacer region of the fungi,and histological and culture findings.Regarding treatment,because anti-infective agents and natural compounds exhibited poor antibiofilm activity,few treatments have ultimately been found to be effective for specific antifungal therapy,so the optimal antifungal therapy and duration of therapy for these infections remain unknown.Therefore,most forms of disease caused by Exophiala dermatitidis require aggressive combination therapies:Both surgical intervention and aggressive antifungal therapy with novel compounds and azoles are necessary for effective treatment. | Daisuke Usuda Toshihiro Higashikawa Yuta Hotchi Kenki Usami Shintaro Shimozawa Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Toshihiko Yoshizawa Suguru Asako Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2021 | World Journal of Clinical Cases2021，9，27： | 0 |
| 12 | Diffuse large B cell lymphoma originating from the maxillary sinus with skin metastases:A case report and review of literature显示文摘BACKGROUND Diffuse large B-cell lymphoma(DLBCL)is the most common type of malignant lymphoma(ML),accounting for 30%-40%of cases of non-Hodgkin’s lymphoma(NHL)in adults.Primary paranasal sinus lymphoma is a rare presentation of extranodal NHL that accounts for only 0.17%of all lymphomas.ML from the maxillary sinus(MS)is a particularly rare presentation,and is thus often difficult to diagnose.We have reported the first known case of DLBCL originating from the MS with rapidly occurrent multiple skin metastasis.CASE SUMMARY An 81-year-old Japanese man visited our hospital due to continuous pain for 12 d in the left maxillary nerve area.His medical history included splenectomy due to a traffic injury,an old right cerebral infarction from when he was 74-years-old,hypertension,and type 2 diabetes mellitus.A plain head computed tomography(CT)scan revealed a 3 cm×3.1 cm×3 cm sized left MS.On day 25,left diplopia and ptosis occurred,and a follow-up CT on day 31 revealed the growth of the left MS mass.Based on an MS biopsy on day 50,we established a definitive diagnosis of DLBCL,non-germinal center B-cell-like originating from the left MS.The patient was admitted on day 62 due to rapid deterioration of his condition,and a plain CT scan revealed the further growth of the left MS mass,as well as multiple systemic metastasis,including of the skin.A skin biopsy on day 70 was found to be the same as that of the left MS mass.We notified the patient and his family of the disease,and they opted for palliative care,considering on his condition and age.The patient died on day 80.CONCLUSION This case suggests the need for careful,detailed examination,and for careful follow-up,when encountering patients presenting with a mass. | Daisuke Usuda Toshihide Izumida Nao Terada Ryusho Sangen Toshihiro Higashikawa Sayumi Sekiguchi Risa Tanaka Makoto Suzuki Yuta Hotchi Shintaro Shimozawa Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Suguru Asako Yoshie Takagi Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita Yuji Kasamaki | 2021 | World Journal of Clinical Cases2021，9，23： | 0 |
| 13 | Obligate aerobic, gram-positive, weak acid-fast, nonmotile bacilli, Tsukamurella tyrosinosolvens: Minireview of a rare opportunistic pathogen显示文摘Tsukamurella species are obligate aerobic,gram-positive,weak acid-fast,nonmotile bacilli.They are found in various environments,such as soil,water,sludge,and petroleum reservoir wastewater,and belong to the order Actinomycetales.In 2016,there was a reclassification of species within the genus Tsukamurella,merging the species Tsukamurella tyrosinosolvens(T.tyrosinosolvens)and Tsukamurella carboxydivorans.Tsukamurella species are clinically considered to be a rare opportunistic pathogen,because most reported cases have been related to bacteremia and intravascular prosthetic devices and immunosuppression.To date,it has been isolated only from human specimens,and has always been associated with clinical disease;human infections are very rare.Reported infections have included pneumonia,brain abscesses,catheter-related bloodstream infections,ocular infections,bacteremia,and sepsis presenting with septic pulmonary emboli in patients who are immunocompromised.To date,there is no commercially available test for identification.On the other hand,sequence-based identification,including matrix-assisted laser desorption ionization time-of-flight mass spectrometry,is an alternative method for identifying clinical isolates that are either slow growers or difficult to identify through biochemical profiling.The golden standards for diagnosis and optimal management still remain to be determined.However,newer molecular biological techniques can provide accurate identification,and contribute to the appropriate selection of definitive therapy for infections caused by this organism.Combinations of several antimicrobial agents have been proposed for treatment,though the length of treatment for infections has yet to be determined,and should be individualized according to clinical response.Immunocompromised patients often experience severe cases due to infection,and life-threatening T.tyrosinosolvens events associated with dissemination and/or failure of source control have occurred.Favorable prognoses can be achieved through earlier identification of the cause of infection,as well as successful management,including appropriate antibiotic therapy together with source control.Further analyses of similar cases are required to establish the most adequate diagnostic methods and treatment regimens for infections. | Daisuke Usuda Risa Tanaka Makoto Suzuki Shintaro Shimozawa Hayabusa Takano Yuta Hotchi Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima Akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita | 2022 | World Journal of Clinical Cases2022，10，24： | 0 |
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