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Senju Gastroenterological Clinic (SGC)

Seven minutes walk from East exit of Kita-Senju Station.
1F, Kita-Senju V Building.

Welcome to our clinic website

Here at Senju Gastroenterological Clinic, we specialize in helping people to check GI tract and organ with medical examination and endoscopic & ultrasound procedure. We believe in providing the best medical support for everyone suffering from GI symptoms. Our aim is to contribute to the society with the advanced endoscopic procedure.


Gastroenterology & Gastrointestinal Endoscopy in Kita-Senju, Tokyo

Senju Gastroenterological Clinic in Kita-Senju, Adachi-ward, Tokyo
Address: 1F, Kita-Senju V Building, 1-11-2, Senju, Adachi-ku, Tokyo, Japan
Tel:
Fax:
E-mail:

Medical Hours

Medical Hours Mon Tue Wed Thu Fri Sat Sun
9:00~12:00
14:00~17:30
    • [Closed days] Thursday, Sunday [without the second and forth Sunday], public holidays, two days at the end of the year and first three days of the new year
    • Sunday (the second and forth Sunday): 10:00 a.m.-11:00 p.m. (Only WEB and Tel reservations accepted on Sunday)
  • *Sunday:2:00 p.m.-5:30 p.m. only examination

All major credit card accepted credit_card Address: 1F, Kita-Senju V Building, 1-11-2, Senju, Adachi-ku, Tokyo, Japan Tel: 03-3882-7149

ABOUT US

Our philosophy

・Best medical support for everyone with GI symptoms
・To provide people with advanced endoscopy with evidence based medicine
・Early detection and diagnosis for GI neoplasms

Excellent endoscopic examination for you.

As one of the leading GI endoscopic clinic located in Kita-Senju, Tokyo, we are committed to providing the safest, most comfortable and advanced GI endoscopy with state-of-the-art technology and expertise by highly skilled medical doctors and staffs. We will spend our time to carefully understand and personalize the most optimal examination and treatment plan for you.

Our Team

Board chairman


Dr. Harada Hideaki



Gastroenterology & Endoscopy Physician
M.D. (JPN)

Dr. Harada Hideaki is the founder of Urawa Endoscopy & Senju GI Clinic. Certified Gastroenterological Endoscopy Society, Society of Gastroenterology, and international member of American Society of Gastrointestinal Endoscopy (ASGE) and European Society of Gastrointestinal Endoscopy (ESGE). He had worked in Dept. of Gastroenterology, New Tokyo Hospital as chief director. His main area of interests is gastroenterology, GI endoscopy, colorectal polyp, and colorectal cancer.

Director


院長

Dr. Hayasaka Kenji


Gastroenterology & Endoscopy Physician
M.D. (JPN)

Dr. Hayasaka Kenji is the medical director and founder of Senju GI Clinic. Certified Gastroenterological Endoscopy Society and Society of Gastroenterology. He had worked in Dept. of Gastroenterology, New Tokyo Hospital as deputy director. His main area of interests is gastroenterology and GI endoscopy.

Special counsel


Special counsel

Dr. Amano Yuji


Gastroenterology & Endoscopy Physician
M.D., PhD, Prof. (JPN)

Dr. Amano Yuji is the special counsel of Senju GI Clinic. Certified Gastroenterological Endoscopy Society, Society of Gastroenterology, Gastroenterological Association, and Esophageal Society.
He had received his PhD. in the post graduate school of Shimane Medical University. He had worked in Ichikawa Hospital, International University of Health and Welfare as Professor of Dept. of Gastroenterology and Endoscopy.
Dr. Amano had a special interest in GERD (gastroesophageal reflux disease), Barrett’s esophagus, and esophageal carcinoma.

Vice director


Vice director

Dr. Suzuki Shinichi


Gastroenterology & Endoscopy Physician
M.D. (JPN)
Dr. Suzuki Shinichi is the experienced gastroenterological and endoscopic practitioner.
Certified Gastroenterological Endoscopy Society and Society of Gastroenterology. His main area of interests is gastroenterology, GI endoscopy, and gastric cancer.

Doctors


doctor

Dr. Katsuyama Yasushi


Gastroenterology & Endoscopy Physician
M.D. (JPN)

Dr. Katsuyama Yasushi is the experienced gastroenterological and endoscopic practitioner.
Certified Society of Gastroenterology. He had worked in Dept. of Gastroenterology, New Tokyo Hospital as deputy director. His main area of interests is gastroenterology, GI endoscopy, and inflammatory bowel disease (IBD).

doctor

Dr. Iwaki Tomoyuki


Gastroenterology & Endoscopy Physician
M.D. (JPN)

 

Dr. Iwaki Tomoyuki is the experienced gastroenterological and endoscopic practitioner.
Certified Gastroenterological Endoscopy Society and Society of Gastroenterology. His main area of interests is gastroenterology, GI endoscopy, and gastric cancer.

Endoscopic procedure

  1. EGD (Esophagoduodenoscopy) and CS (Colonoscopy)
  2. Polypectomy Helicobactor pylori (H. pylori) Infection
  3. Abdominal ultrasound
  4. Medical checkup for GI tract

EGD (Esophagogastroduodenoscopy) and CS (Colonoscopy)EGD and CSEsophagogastroduodenoscopy and Colonoscopy

EGD and CS are performed to detect the inflammation and neoplasms of the upper GI tract and the colon, respectively. We can applicate Narrow Band Imaging system (image-enhanced endoscopic system) for precise endoscopic diagnosis and confirm histological diagnosis by endoscopic biopsy. Given that you are receiving antithrombotic agents, biopsy is safely done according to guideline. We also perform EGD and CS with intravenous sedatives. Our team physicians are highly skilled in intravenous sedatives. Please asked our physicians and staffs about intravenous sedatives.

・Goda K, Amano Y, et al. Newly developed magnifying endoscopic classification of the Japan Esophageal Society to identify superficial Barrett’s esophagus-related neoplasms. Esophagus 2018; 15: 153-159.
・Uno G, Amano Y, et al. Simplified classification of capillary pattern in Barrett's esophagus using magnifying endoscopy with narrow band imaging: implications for malignant potential and interobserver agreement. Medicine (Baltimore) 2015;64: e405.
・Shibagaki K, Amano Y, et al. Magnification endoscopy with acetic acid enhancement and narrow-band imaging for the diagnostic accuracy of gastric mucosal neoplasms. Endoscopy 2016;48:16-25.
・Shibagaki K, Amano Y, et al. Magnification endoscopy with acetate instillation and a narrow-band imaging system for pit pattern diagnosis of colorectal neoplasms. J Clin Gastroenterol 2015;49:306-012.


Gastric ulcer Gastric ulcer NBI

Polypectomy

Polypectomy is feasible while performing Colonoscopy. In case of a medication with antithrombotic agents, adjustment of antithrombotic agents is needed (ex, drug cessation of clopidogrel, one-day cessation of rivaroxaban, etc…). However, Polypectomy is also safely done according to the Japanese guidelines. Please asked our physicians and staffs about polypectomy with antithrombotic agents. Colonic polyp more than 2 cm can not be accepted to resect simultaneously in our clinic. If we detect colonic polyp more than 2cm, we introduce you to the cooperative hospital with accommodation facility (Digestive Endoscopy Center in Urawa Kyosai Hospital). ・Harada H, et al. Postpolypectomy bleeding of colorectal polyps in patients with continuous warfarin and short-term interruption of direct oral anticoagulants. Gastrointest Endosc. 2021; 93: 691-8. ・Harada H, et al. The effect of anticoagulants on delayed bleeding after colorectal endoscopic submucosal dissection. Surg Endosc. 2020; 34: 3330-3337. ・Harada H, et al. Feasibility of gastric endoscopic submucosal dissection with continuous low-dose aspirin for patients with dual antiplatelet therapy. World J Gastroenterol. 2019; 25: 457-68. ・Harada H, et al. Continuous use of low-dose warfarin for gastric endoscopic submucosal dissection: a prospective study. Endosc Int Open 2017; 05: E348-53.


Colonic polyp

Helicobactor pylori (H. pylori) Infection

H. pylori is bacteria that infect in human stomach during childhood. H. pylori can possibly induce gastric cancer and ulcer because of an inflammatory condition of stomach known as gastritis. Although most people with H. pylori don’t have any symptoms, they may have symptoms as abdominal pain, nausea, heartburn, bloated, and lack of appetite when the infection leads to deteriorate. H. pylori is diagnosed by breath test, blood test, and endoscopy. Most of infected H. pylori can be eradicated by the medications (so called triple therapy): proton-pump inhibitors (PPI), amoxicillin, and clarithromycin or metronidazole. Please asked our physicians and staffs about H. pylori treatment.

Abdominal ultrasound (AUS)

AUS is performed to detect the diseases of abdominal organs (liver, gallbladder, bile duct, pancreas, and kidney). Our team technicians are highly skilled in AUS. Please asked our physicians and staffs about AUS.

Medical checkup for GI tract

Our clinic offers medical checkup for GI tract (Esophagogastroduodenoscopy and Colonoscopy) without health insurance. A fee of medical checkup for GI tract includes intravenous anesthesia, and premedication of endoscopy. Please asked our physicians and staffs about medical checkup for GI tract.

Medical checkup Fee 
Esophagoduodenoscopy(EGD) ¥25,000 
Colonoscopy(CS) ¥35,000
EDG and CS ¥50,000
Colonic polypectomy ¥60,000

Japanese health insurance

Health insurance(JPN) 10% medical costs 30% medical costs
Esophagoduodenoscopy(EGD) About ¥1,500 About ¥5,000
Colonoscopy(CS) About ¥2,000 About ¥5,500
Colonic polypectomy ¥7,000~¥9,000 ¥20,000~¥30,000
Abdominal ultrasonography About ¥500 About ¥1,500

Our endoscopy clinic

クリニック外観

The exterior of our clinic

受付

Reception

待合・前処置室

Waiting and Prep room

診察室

Consultation room

内視鏡検査室

Endoscopy unit

回復室

Recovery room

クリニック外観
受付
待合・前処置室
診察室
内視鏡検査室
回復室

Facilities

Olympus EVIS X1

オリンパス EVIS X1

GIF-XZ1200・CF-XZ1200

最新のテクノロジーを搭載した次世代内視鏡スコープを導入

Endoscopic devices

All endoscopic devices (mouthpiece, biopsy forceps, snare, and injection needle) are disposable because of sanitation and infection control measures.

ディスポーザブル
All image from Boston Scientific Japan

Supporting device for covid protected endoscopy

Extracorporeal vacuum device for droplet reduction

Free100 ネクストmage from Forest one, Free100Next

Frequently Asked Questions

Where is Senju Gastroenterological Clinic located?

Senju Gastroenterological Clinic is located at 1F, Kita-Senju V Building, 1-11-2, Senju, Adachi-ku (Seven-minute walk from West exit of Kita-Senju Station).

How many doctors practice at Senju Gastroenterological Clinic (SGC)?

There are several doctors at SGC. We cooperate with the GI doctors who are affiliated with Kyosai-Hospital in Urawa. The doctors are experienced to treat patients with digestive diseases, especially early cancer.

How does it cost?

Please check the following about the cost.
・Esophagoduodenoscopy (EGD)
・Colonoscopy (CS)
・Colonic polypectomy
・Abdominal ultrasound (AUS)
・Medical checkup fee

Is a reservation necessary for a medical examination?

The reservation is not necessary. A new outpatient visit is possible in anyone. If you hope for a smooth medical examination, you can reserve it on our web site.

How does a medical examination reserve?

The reservation of esophagoduodenoscopy (EGD), colonoscopy (CS), and EGD&CS, is possible on our web site. If you reserve CS or EGD&CS, you need to prep for colonoscopy to cleanse the colon at our clinic or your home. Our clinic has prep room and three toilets for prep. If you hope for prep at your home, an outpatient visit is necessary in advance. *An out patient visit is necessary for the following situation; dual or triple therapy of antithrombotics (antiplatelets or anticoagulants), over 70 years old, patients with severe heart, pulmonary, or kidney disease, troubled by severe constipation, constipated for several days.

Are esophagoduodenoscopy (EGD) and colonoscopy (CS) painful?

As we use an intravenous anesthetic during EGD and CS, you feel almost nothing pain. All doctors experienced EGD and CS with an intravenous anesthetic. If you don’t choice intravenous anesthesia, you can have nasal endoscopy. Please feel free to ask us about the intravenous anesthesia.

Which better examination, oral esophagoduodenoscopy (EGD) or nasal EGD?

Although the resolution of nasal EGD, so called small caliber endoscope, has advanced much better than before, it is no match for oral EGD endoscope, so called normal caliber endoscope. We recommend oral EGD if you hope for scrutiny. As we use an intravenous anesthetic during EGD, you feel almost nothing pain. Please feel free to ask us about oral EGD.

Is it possible the examination of esophagoduodenoscopy (EGD) and colonoscopy (CS) simultaneously?

It is possible. We perform EGD with intravenous anesthesia, subsequently CS. As you can have EGD and CS at the same time, stressing the body is lesser.

How does the examination take?

Esophagoduodenoscopy (EGD) takes for about 10 minutes. The preparation of EGD takes for 20 to 30 minutes. If you have intravenous anesthesia, you need to take a rest for 30 to 60 minutes at the recovery room after EGD. After taking a rest, the doctor explain the results of EGD. Colonoscopy (CS) takes for about 10 to 20 minutes. Because the time of insertion to the deep colon depends on an individual. Colonoscopy is necessary for prep to cleanse the colon taking a laxative. You need to prep for colonoscopy at our clinic or your home. Our clinic has prep room and three toilets for prep. If you hope for prep at your home, an outpatient visit is necessary in advance. If you have intravenous anesthesia, you need to take a rest for 30 to 60 minutes at the recovery room after CS. After taking a rest, the doctor explain the results of CS.

Is it possible to resect colonic polyps at the same time as Colonoscopy (CS)?

(polypectomy) It is possible. Colonic polyps according to size is possible to resect at our clinic. However, large polyps are impossible to resect at our clinic. In case of large polyps, we refer you to Kyosai Hospital in Urawa. After polypectomy, resting at home is needed for 2 or 3 days (restriction of movement, diet, and alcohol).

Is it possible to eat immediately after endoscopy?

In the case of esophagoduodenoscopy (EGD), eating and drinking are possible after an hour because of throat anesthesia. In case of sampling tissue, drinking is possible after an hour, and eating is after two hours. In case of colonoscopy (CS), drinking is possible immediately. Eating is possible after two hours. In case of sampling tissue, alcohol and pungently flavored food are restricted that day. After polypectomy, resting at home is needed for 2 or 3 days (restriction of movement, diet, and alcohol).

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