研究者詳細 - 岩室　雅也

論文 - 岩室　雅也

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Eosinophilic Cholangitis with Initial Clinical Features Indistinguishable from IgG4-Related Cholangitis 査読

Masaya Iwamuro, Kazuhide Yamamoto, Hirofumi Kawamoto, Ryo Terada, Tsuneyoshi Ogawa, Soichiro Nose

INTERNAL MEDICINE 48 ( 13 ) 1143 - 1147 2009年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPAN SOC INTERNAL MEDICINE

A 66-year-old woman presented with jaundice, elevated liver enzymes, peripheral eosinophilia and increased levels of immunoglobulin (Ig) G4. The image findings of the biliary tree revealed multifocal strictures mimicking primary sclerosing cholangitis. A biopsy specimen of the liver demonstrated an infiltration of inflammatory cells consisting of several eosinophils and IgG4-positive plasma cells. The liver enzymes and eosinophil count were normalized immediately after the administration of an oral steroid. Finally, the patient was diagnosed with eosinophilic cholangitis based on the clinical manifestations, although she had features of both eosinophilic cholangitis and IgG4-related cholangitis. This case indicates that the two entities may show similar manifestations and thus they should be discriminated carefully.

DOI： 10.2169/internalmedicine.48.1892

Web of Science

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膵併存腫瘍の1例 : 本邦報告33例の集計を含む

岩室雅也, 窪田淳一, 齊藤俊介, 合原大博, 大田剛由, 緒方正敏, 詫間義隆, 田中彰一, 牧野泰裕, 村上一郎

日本消化器病學會雜誌 = The Japanese journal of gastro-enterology 104 ( 6 ) 829 - 836 2007年6月

記述言語：日本語出版者・発行元：The Japanese Society of Gastroenterology

症例は30歳，女性．低血糖発作を契機に膵体部に22mm大の腫瘍を指摘された．精査の結果インスリノーマと診断し腫瘍核出術を行ったが，膵管癌が併存し，周囲組織に浸潤しリンパ節転移もともなっていたため，非治癒切除となった．本例は内分泌腫瘍および外分泌腫瘍が併存しており，膵併存腫瘍と最終診断した．膵併存腫瘍は本邦において1980年以降33例の報告があるのみであり，まれな腫瘍である．一般に本症の術前診断は容易ではないが，膵内分泌腫瘍に比べ予後が不良とされており，慎重な画像診断が求められる．<br>

DOI： 10.11405/nisshoshi.104.829

CiNii Article

CiNii Books

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その他リンク： http://search.jamas.or.jp/link/ui/2007273459

Gastric ulcer after prophylactic balloon-occluded retrograde transvenous obliteration. 査読

Takuma Y, Nouso K, Takayama H, Makino Y, Saito S, Tanaka S, Ogata M, Ohta T, Kubota J, Iwamuro M

Journal of gastroenterology 42 ( 3 ) 257 - 260 2007年3月

Polypoid colonic hamartomatous inverted polyp 査読

Shouichi Tanaka, Masaya Iwamuro, Junichi Kubota, Motohiro Goubaru, Takeyuki Ohta, Masatoshi Ogata, Ichiro Murakam

DIGESTIVE ENDOSCOPY 19 ( 1 ) 40 - 42 2007年1月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：BLACKWELL PUBLISHING

We herein present a unique polyp diagnosed as polypoid colonic hamartomatous inverted polyp. Colonoscopic examination revealed a clover-like submucosal tumor about 30 mm in size with a long stalk at the mid-transverse colon. The polyp consisted of elongated crypts with cystic dilatation located in the submucosal layer. To the best of our knowledge, there have been no previous reports of the same type of pedunculated colonic polyp, similar in appearance to inflammatory myoglandular polyps but covered with a layer of normal mucosa possessing the muscularis mucosae at the uppermost surface of the polyp.

DOI： 10.1111/j.1443-1661.2007.00674.x

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Duodenal duplication cyst of the ampulla of Vater 査読

Shouichi Tanaka, Motohiro Goubaru, Atsuyuki Ohnishi, Hideaki Takahashi, Hiroki Takayama, Teruya Nagahara, Masaya Iwamuro, Shigeru Horiguchi, Takeyuki Ohta, Ichiro Murakami

INTERNAL MEDICINE 46 ( 24 ) 1979 - 1982 2007年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：JAPAN SOC INTERNAL MEDICINE

A 35-year-old man presented with the complaint of epigastric discomfort. Gastrointestinal endoscopy and endoscopic ultrasonography revealed a cystic lesion 20 mm in size at the ampulla of Vater. Endoscopic retrograde cholangiopancreatography (ERCP) revealed that the cystic lesion communicated with both the common bile duct and pancreatic duct via the common channel. Choledochocele was ruled out by close examination of the ERCP findings. The cystic lesion was surgically resected. Since histological findings revealed that the mucosa inside the lesion was duodenum-like and contained a layer of smooth muscle, the lesion was diagnosed as a congenital duplication cyst of the duodenum.

DOI： 10.2169/internalmedicine.46.0451

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A case of acute hepatitis E virus infection with clinical features indistinguishable from drug-induced liver injury 査読

Masaya Iwamuro, Mitsuhiko Kawaguchi, Ryo Terada, Toshiya Onsawa, Kazuhide Yamamoto, Tatsuya Itoshima, Kazuaki Takahashi

Acta Hepatologica Japonica 46 ( 8 ) 512 - 515 2005年

記述言語：日本語掲載種別：研究論文（学術雑誌）出版者・発行元：Japan Society of Hepatology

We experienced a case of acute hepatitis E virus (HEV) infection with clinical features indistinguishable from drug-induced liver injury. A 71-year old female was admitted to the hospital because of an elevation of serum trasnaminase levels. Kampo medicines had been administered four weeks before, and lymphocyte stimulation tests for Kampo medicines were positive. In consequence, we assumed that drug-induced reaction was the cause of her liver injury. Afterward, however, both immunoglobulin M antibodies against HEV and HEV RNA turned out to be positive. Finally, we diagnosed as acute HEV infection. The patient had no history of a travel abroad, ingestion of a wild boar, deer or goat. She had eaten a pig liver one month before, which was presumed as a source of infection.

DOI： 10.2957/kanzo.46.512

Scopus

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