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Papillary Neoplasm in a Common Channel in Patients with Pancreaticobiliary Maljunction — Yusuke Makutani (2018) | RDL Network
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Papillary Neoplasm in a Common Channel in Patients with Pancreaticobiliary Maljunction
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Masatoshi Kudo
Papillary Neoplasm in a Common Channel in Patients with Pancreaticobiliary Maljunction
Article
2018
en
Authors
+10 more
YM
Yusuke Makutani
IM
Ippei Matsumoto
SO
Shunsuke Omoto
Abstract
1 min read
膵・胆管合流異常に合併した共通管内乳頭状腫瘍の1例を報告する.症例は75歳の男性で,6か月間に2度の急性膵炎を発症し保存的加療で軽快した.急性膵炎の原因精査および加療目的で当院へ紹介となった.ERCPでは膵・胆管合流異常を認め,共通管内に7 mmの結節様陰影欠損像を認めた.上部内視鏡検査では乳頭部からの粘液排出は認めず,超音波内視鏡検査では共通管内に乳頭状の腫瘍が描出された.造影CTでは膵頭部に拡張した共通管と内部に増強効果を持つ8 mmの腫瘤を認めた.尾側の主膵管の拡張は認めなかった.膵・胆管合流異常に合併した共通管内乳頭状腫瘍と診断し,亜全胃温存膵頭十二指腸切除術を施行した.病理肉眼所見では共通管内に発育する有茎性の乳頭状腫瘍で,組織像は管状構造増生を主体とする腺腫であった.免疫組織学的染色ではMUC1,MUC2陰性,MUC5AC陽性で胃型腺腫と最終診断した.
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