Toshiaki Morito
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View article: Endoscopic findings of gallbladder lesions evaluated with image‐enhanced endoscopy: A preliminary study using resected gallbladders
Endoscopic findings of gallbladder lesions evaluated with image‐enhanced endoscopy: A preliminary study using resected gallbladders Open
The diagnosis of gallbladder (GB) lesions relies on imaging findings. Transpapillary cholangioscopy can potentially be used to diagnose GB lesions; however, the images obtained remain unclear. This study aimed to characterize the endoscopi…
View article: Clinical features of biliary tract cancer in Japanese individuals with Lynch syndrome
Clinical features of biliary tract cancer in Japanese individuals with Lynch syndrome Open
MSI analysis could facilitate LS identification in individuals with BTC. Surveillance for BTC should be considered for MLH1 carriers in Japan.
View article: Clinicopathologic Analysis of Sinonasal Inverted Papilloma, with Focus on Human Papillomavirus Infection Status
Clinicopathologic Analysis of Sinonasal Inverted Papilloma, with Focus on Human Papillomavirus Infection Status Open
Sinonasal inverted papilloma (SNIP) can recur; however, the factors related to tumor recurrence remain unclear. This study aimed to analyze risk factors, including human papillomavirus (HPV) infection, as well as other factors associated w…
View article: Triple-negative pleomorphic lobular carcinoma and expression of androgen receptor: Personal case series and review of the literature
Triple-negative pleomorphic lobular carcinoma and expression of androgen receptor: Personal case series and review of the literature Open
Pleomorphic lobular carcinoma (PLC) is a histological variant of invasive lobular carcinoma (ILC) and is associated with worse prognosis than classical ILC. It exhibits a greater degree of cellular atypia and pleomorphism and is occasional…
View article: Resected case of stage IV pleomorphic carcinoma of the lung with long-term survival
Resected case of stage IV pleomorphic carcinoma of the lung with long-term survival Open
Background No established treatments for pulmonary pleomorphic carcinoma exist because of its rarity, and the prognosis is poorer than that of other non-small cell lung cancers. Case report We present a case of stage IV pleomorphic carcino…
View article: A Case of Rectal GIST Like Giant Incarcerated Hemorrhoid
A Case of Rectal GIST Like Giant Incarcerated Hemorrhoid Open
症例は60代，男性．直腸脱嵌頓の診断で他院から救急搬送された．ソフトボール大の巨大な嵌頓痔核状の外観で，内部に弾性軟な腫瘤を触知したため，巨大な血腫を合併した嵌頓痔核と考えた．治療目的で別の病院に転院し行ったCT検査で造影効果に富む腫瘤として描出され，直腸GISTの経肛門脱出と診断した．用手還納不能のため，同日腰椎麻酔下に経肛門的腫瘍切除術を行った．術後病理組織学検査ではc-kit陽性，CD34陽性，MIB1＜1％で直腸GIST（中間リスク）と診断された．術後補助療法は行わ…
View article: A rare case of enlarged gastric heterotopic pancreas with retention cysts: A case report and literature review
A rare case of enlarged gastric heterotopic pancreas with retention cysts: A case report and literature review Open
Symptomatic enlarged gastric HP should be respected and further examined histologically to ensure diagnostic accuracy.
View article: The Progression of Esophageal Mucosa-associated Lymphoid Tissue Lymphoma after <i>Helicobacter pylori </i>Eradication Therapy: A Case Report and Discussion of Therapeutic Options
The Progression of Esophageal Mucosa-associated Lymphoid Tissue Lymphoma after <i>Helicobacter pylori </i>Eradication Therapy: A Case Report and Discussion of Therapeutic Options Open
A 50-year-old woman with epigastric discomfort was referred to our hospital. Esophagogastroduodenoscopy showed flat, elevated, submucosal tumor-like lesions in the esophagus. Extranodal marginal zone lymphoma of the mucosa-associated lymph…
View article: A case of rapidly enlarged primary small cell carcinoma of the liver
A case of rapidly enlarged primary small cell carcinoma of the liver Open
症例は53歳，男性．腹部膨満感，体重増加，両下腿浮腫を主訴に精査入院．画像検査では肝右葉の約15 cmの巨大な境界不明瞭で内部不均一な腫瘤をはじめ，肝全体に1～2 cm大の無数の腫瘍が認められ，これにより肝臓は腫大していた．他にも腹部大動脈周囲リンパ節転移，腹膜播種，および多発骨転移を認めた．第5病日に超音波ガイド下肝腫瘍生検を施行し，病理組織学的に小細胞癌と診断した．
View article: Metastatic Cancer of Multiple Organs Diagnosed as Breast Cancer by GCDFP-15—A Case Report—
Metastatic Cancer of Multiple Organs Diagnosed as Breast Cancer by GCDFP-15—A Case Report— Open
症例は53歳，女性．9カ月前から頸部違和感を自覚して近医整形外科を受診．頸椎X線写真撮影にて転移性骨腫瘍を認め，当院紹介となった．造影CT・PET-CTでは多発骨・肝転移を認めたが，原発巣は不明であった．上部消化管内視鏡検査では胃にびらんが多発，十二指腸に発赤・白斑を認め，生検の結果，低分化腺癌を認め，既存の腺管が残存していることから，転移性腫瘍が疑われた．追加の免疫組織化学染色でGCDFP-15が一部陽性であったため，乳癌が疑われ，MRIにて右C・D領域にそれぞれ0.6c…
View article: Surgical Resection for Hepatocellular Carcinoma with Cardiac Cirrhosis after the Fontan Procedure
Surgical Resection for Hepatocellular Carcinoma with Cardiac Cirrhosis after the Fontan Procedure Open
A 29-year-old woman who underwent the Fontan procedure at 10 years of age had an incidental finding of liver masses on abdominal ultrasonography. Subsequent gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid magnetic resonance ima…