Shigeto Uematsu

Saiseikai Utsunomiya hospital

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Hiroharu Shinozaki

Saiseikai Utsunomiya hospital

Kenichi Kase

Saiseikai Utsunomiya hospital

Eiji Tamagawa

Keisen University

Yasuhiro Hosoda

NTT (Japan)

Fukiko Kawai

Saiseikai Utsunomiya hospital

Tomotaka Akatsu

Hiratsuka City Hospital

Kazuto Yamazaki

Teikyo University Chiba Medical Center

Shujiro Otsuka

Saiseikai Utsunomiya hospital

Kenichi Kojimahara

Keio University

Masaki Kitajima

International University of Health and Welfare

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Keio University

Saiseikai Utsunomiya hospital

Keio University Hospital

Hiratsuka City Hospital

National Hospital Organization

Suzuki (Japan)

Ritsumeikan University

Tokyo Women's Medical University

Teikyo University

Teine Keijinkai Hospital

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Granular Cell Tumor of the Breast Preoperatively Diagnosed by Fine-Needle Aspiration Cytology: Report of a Case

Surgery Today (2004)

Tomotaka Akatsu Hideyuki Kobayashi Shigeto Uematsu Eiji Tamagawa Hiroharu Shinozaki

Granular Cell Tumor

Surgical oncology

10.1007/s00595-004-2784-7

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Citations (14)

Three Cases of Appendiceal Mucocele: Specific Ultrasonographic Findings

Choonpa Igaku (2006)

Toru Kameda Fukiko Kawai Kenichi Kase Hiroharu Shinozaki Eiji Tamagawa

虫垂粘液嚢胞は比較的稀な疾患で, 偶然無症状で発見されたり, 右下腹部痛や腫瘤触知を契機に診断されるといわれている. 特徴的な超音波像を呈した虫垂粘液嚢胞の3例を経験したので報告する. 症例1は19歳, 男性, 右下腹部腫瘤を主訴に受診. 超音波検査で右傍結腸溝に9.1×3.7cmの腫瘤を認め, 壁には石灰化があり, 内部は低エコーでたまねぎの断面のような層状エコーを認めた. 症例2は70歳, 女性, 右下腹部違和感を主訴に受診. 右下腹部に圧痛のない腫瘤を触知した. 超音波検査で回盲部より内側にかけて9.6×3.1cm大の嚢胞性病変を認め, 内部には症例1と同様にたまねぎの断面のような層状構造を認めた. 症例3は59歳, 女性, 右下腹部痛を主訴に受診. 右下腹部に圧痛を伴う腫瘤を触知した. 超音波検査でcup-and-ball状の嚢胞性腫瘤を伴うmultiple concentric ring signを認め, 虫垂の嚢胞性病変を巻き込んだ腸重積が示唆された. 注腸整復後の超音波検査では, 盲腸内腔に2.5×2.0cmの類円形腫瘤を認め, 腫瘤と連続した虫垂は径1.1cmと拡張していた. 超音波検査は虫垂粘液嚢胞の診断に有用である.

10.3179/jjmu.33.229

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Inflammatory pseudotumor of the stomach: Report of a highly infiltrative case with electron microscopic and immunohistochemical studies

Acta Pathologica Japonica (1993)

Kenichi Kojimahara Makio Mukai Kazuto Yamazaki Taketo Yamada Tatsuro Katayama

A large, poorly demarcated, elevated lesion over the area ranging from the lower end of the esophagus to the lesser curvature of the cardiac region was examined in a 19 year old woman, and demonstrated an irregular and highly infiltrative proliferation of spindle cells over the full thickness of the gastric wall. Although the spindle cells grew mainly in the submucosa, they penetrated the muscularis propria, leaving intact muscle tissue that formed an irregular, island-like pattern, and reached the subserosa. The cells were identified as myofibroblasts by light microscopy, immunohistochemistry and electron microscopy. The present case is considered to be of an inflammatory pseudotumor due to extremely infiltrative growth of myofibroblasts. This lesion differed from inflammatory fibroid polyp (similarly consisting of proliferating myofibroblasts accompanied by inflammatory cells) in terms of age at onset, tumor size, pattern of cell proliferation and main inflammatory cell component. This report also discusses the relationship between this lesion and a very recently advocated new entity, inflammatory fibrosarcoma of the mesentery and retroperitoneum, which is a tumour closely simulating inflammatory pseudotumor.

Myofibroblast

Inflammatory fibroid polyp

Submucosa

10.1111/j.1440-1827.1993.tb02916.x

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Advantage of Endoscopic Mucosal Resecion (EMR) with the submucosal dissection procedure using a translucent flexible hood and a needle knife for early gastric carcinoma

Progress of Digestive Endoscopy (2002)

Shigeto Uematsu Eiji Tamagawa Hiroharu Shinozaki Kenichi Kase

Recently large number of patients with early gastric carcinoma has been treated with endoscopically and the indication for EMR has been extended. It is important to make the EMR technique more easily and safety and it is also necessary to resect the lesion totally at once, so-called complete resection, for an appropriate pathological evaluation. Among various devices and methods invented for these purposes, we have used a translucent flexible hood and a needle knife at EMR in order to dissect the submucosal layer for complete resection. This technique was appleied for 33 lesions of the 32 patients with early gastric carcinoma in 2001 and 30 lesions (91%) ware completely removed endoscopically without perforaiton. We can resect the lesion assuredly with identifying the submucosal and muscle layer under closed view through the translucent hood lifting the lesion. However, it is difficult to treat the lesions at the upper body of the stomach with this technique.

Endoscopic submucosal dissection

Endoscopic mucosal resection

Muscular layer

10.11641/pde.61.2_60

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