Yohei Takahashi

ORCID: 0000-0002-2592-0765
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Research Areas
  • Cervical Cancer and HPV Research
  • Endometrial and Cervical Cancer Treatments
  • Liver Disease Diagnosis and Treatment
  • Retinal Diseases and Treatments
  • Neuroendocrine Tumor Research Advances
  • Glaucoma and retinal disorders
  • Amyloidosis: Diagnosis, Treatment, Outcomes
  • Pancreatic function and diabetes
  • Gastric Cancer Management and Outcomes
  • Prenatal Screening and Diagnostics
  • Pelvic floor disorders treatments
  • Pregnancy-related medical research
  • RNA modifications and cancer
  • Ectopic Pregnancy Diagnosis and Management
  • Gestational Trophoblastic Disease Studies
  • Cancer Research and Treatments
  • Cancer, Lipids, and Metabolism
  • Cancer Cells and Metastasis
  • Cancer Diagnosis and Treatment
  • Salivary Gland Tumors Diagnosis and Treatment
  • Breast Cancer Treatment Studies
  • Neuroblastoma Research and Treatments
  • Esophageal Cancer Research and Treatment
  • Estrogen and related hormone effects
  • Heat shock proteins research

Red Cross Hospital
2024

Krankenhaus vom Roten Kreuz
2024

Japanese Red Cross Kochi Hospital
2018-2024

Handa City Hospital
1998-2023

Tokushima University
2014-2022

Sapporo Medical University
2018-2019

Tokyo Women's Medical University
2016-2018

Okayama University
2018

Kitasato University
1998-2017

Teikyo University
2017

<h3>Background/aims</h3> To investigate the changes in intrachoroidal structures after half-dose verteporfin photodynamic therapy (PDT) for central serous chorioretinopathy (CSC). <h3>Methods</h3> Swept-source optical coherence tomography cross-sectional images of 22 eyes patients with CSC were retrospectively analysed by a manual delineation technique and binarisation method. <h3>Results</h3> In eyes, mean subfoveal choroidal thickness decreased from 412.9±112.9 μm at baseline to...

10.1136/bjophthalmol-2016-308921 article EN British Journal of Ophthalmology 2016-07-07

A mitochondrial 3243 G mutation in the tRNA(Leu(UUR)) gene was first described as a common cause of MELAS syndrome (mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like syndrome). This same is also totally different disorder, subtype diabetes mellitus which inherited maternally often associated with sensorineural hearing loss. In this paper, we report on Japanese boy who developed previously undescribed combination symptoms, nephropathy growth hormone deficiency. The...

10.1136/jmg.33.7.621 article EN Journal of Medical Genetics 1996-07-01

Abstract Objective Rapid on‐site cytological evaluation ( ROSE ) in bronchoscopy is a useful ancillary technique. usually performed by cytopathologist or cytotechnologist. However, because of staff shortages and reduced availability, cannot be every hospital. We aimed to evaluate the accuracy when trained pulmonologist, comparing diagnosis results with final cytopathologists. Methods retrospective cohort study on 125 patients who underwent endobronchial ultrasound‐guided transbronchial...

10.1111/cyt.12771 article EN Cytopathology 2019-09-03

The localization of NAD+ glycohydrolase [EC 3.2.2.5] (NADase) in purified rat liver nuclei has been examined. Subnuclear fractionation revealed that at least 70% the NADase was associated with nuclear envelope fraction. fraction practically free microsomal contamination as judged by electron microscopic morphometry and assays marker enzymes. Therefore, found to be an integral component envelope. enzymological properties were compared those enzyme. identical enzyme its Km for (60 muM), pH...

10.1093/oxfordjournals.jbchem.a131248 article EN The Journal of Biochemistry 1976-07-01

The localization of Fc receptors for IgG on mouse liver sinusoidal endothelium was studied in tissue sections by light and electron microscopy using peroxidase-antiperoxidase complexes as ligands. Light revealed that were continuously present along the wall, but absent central vein portal area blood vessels. Electron both luminal basal aspects plasma membrane, far more being former, walls cytoplasmic fenestrae, abundantly coated pits vesicles endothelial cells. found frequently cells than...

10.1111/j.1440-1827.1988.tb02302.x article EN Pathology International 1988-03-01

We aimed to investigate the diagnostic ability of magnifying endoscopy with narrow band imaging (ME-NBI) for cervical intraepithelial neoplasia grade 2 or worse (CIN2+). This was a multicenter prospective study. Eligible patients had positive Pap smear results follow-up high-grade cytology CIN3 diagnosed in referring hospitals. Patients underwent ME-NBI by gastrointestinal endoscopist, followed colposcopy gynecologist. One lesion worst finding considered main lesion. Punch biopsies were...

10.3390/jcm10204753 article EN Journal of Clinical Medicine 2021-10-16

Purpose: The purpose of this article is to investigate the differences in intrachoroidal structures between eyes with idiopathic central serous chorioretinopathy (CSC) and those steroid-induced CSC. Methods: Thirty 30 patients CSC 17 15 were studied. Cross-sectional swept-source optical coherence tomography images retrospectively analyzed by manual layer delineation technique binarization technique. Results: mean subfoveal choroidal thickness (SCT) was not significantly different (408.0 ±...

10.1177/2474126418818348 article EN Journal of VitreoRetinal Diseases 2018-12-21

Abstract This study aimed to evaluate the changes in quadriceps femoris muscle thickness during pregnancy and postpartum periods elucidate effect of bed rest for threatened preterm labor on thickness. In 26 women with normal pregnancy, was measured at 11–13, 26, 30, 35 weeks’ gestation, 3–5 days 1 month using ultrasonography. 15 pregnant treated premature labor, 30 gestation postpartum. increased, peaking followed by a decrease. rest, showed no significant change periods, significantly...

10.1038/s41598-022-22467-8 article EN cc-by Scientific Reports 2022-10-19

Hyperreactio luteinalis (HL) characterized by multicystic bilateral ovarian enlargement, increased serum β-human-derived chorionic gonadotrophic hormone levels, and spontaneous regression after delivery is a rare benign condition that complicates pregnancy.

10.5180/jsgoe.39.2_45 article EN JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY 2024-01-01

Mycobacterium chelonae, a nontuberculous mycobacterium, commonly causes skin, soft tissue, eye, pulmonary, catheter-related, and post-surgical infections in patients with immunosuppression or trauma. M. chelonae breast are rare, most cases occur following cosmetic surgery. Here, we report the first case of spontaneous abscess due to chelonae.A 22-year-old Japanese woman presented at our hospital swelling pain right for past 2 weeks without any fever. She had 19-month-old child stopped...

10.1186/s40792-023-01706-8 article EN cc-by Surgical Case Reports 2023-07-05

We present here familial occurrence of two patients with gastric carcinoid. Both patients, a sister and older sister, had type A chronic atrophic gastritis hypergastrinemia. This is the first case report carcinoid associated in world literature. The possible mechanism discussed.

10.1016/s0002-9270(98)00117-8 article EN The American Journal of Gastroenterology 1998-05-01

The current standard for diagnosing cervical intraepithelial neoplasia (CIN) is colposcopy followed by punch biopsy. We have developed flexible magnifying endoscopy with narrow band imaging (ME-NBI) the diagnosis of CIN. Here, we investigated feasibility targeted endoscopic forceps biopsy (E-Bx) under guidance ME-NBI prospectively enrolled 32 consecutive patients confirmed or suspected high-grade CIN undergoing conization. Next to colposcopy, same underwent just before was performed, and 30...

10.3390/diagnostics11020360 article EN cc-by Diagnostics 2021-02-20

We present here familial occurrence of two patients with gastric carcinoid. Both patients, a sister and older sister, had type A chronic atrophic gastritis hypergastrinemia. This is the first case report carcinoid associated in world literature. The possible mechanism discussed.

10.1111/j.1572-0241.1998.237_a.x article EN The American Journal of Gastroenterology 1998-05-01
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