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1. 膵嚢胞の分類 classification of pancreatic cysts
2. 膵嚢胞性腫瘍 pancreatic cystic neoplasms
3. 被包された膵液貯留 walled off pancreatic fluid collections including pseudocysts
4. 膵管内乳頭粘液性腫瘍の診断および治療 diagnosis and treatment of intraductal papillary mucinous neoplasm of the pancreas
5. 消化管における超音波内視鏡ガイド下での穿刺吸引生検 endoscopic ultrasound guided fine needle aspiration biopsy in the gastrointestinal tract

Singhi AD, Chu LC, Tatsas AD, Shi C, Ellison TA, Fishman EK, Kawamoto S, Schulick RD, Wolfgang CL, Hruban RH, Edil BH.SourceDepartments of *Pathology †Radiology §Surgery, the Sol Goldman Pancreatic Cancer Research Center, Johns Hopkins University School of Medicine, Baltimore, MD ‡Department of Pathology, Vanderbilt University, Nashville, TN.
The American journal of surgical pathology.Am J Surg Pathol.2012 Nov;36(11):1666-73. doi: 10.1097/PAS.0b013e31826a0048.
Pancreatic neuroendocrine tumors (PanNETs) are typically solid neoplasms but in rare instances may present as cystic lesions. This unusual presentation can make clinical diagnosis challenging. In addition, the clinical and histopathologic characteristics of cystic PanNETs are poorly defined. We iden
PMID 23073325

Acinar cystadenoma of the pancreas: a clinicopathologic study of 10 cases including multilocular lesions with mural nodules.

Khor TS, Badizadegan K, Ferrone C, Fernández-Del Castillo C, Desai GS, Saenz A, Le L, Lauwers GY, Deshpande V.SourceDepartments of *Pathology §Surgery ∥Radiology, Massachusetts General Hospital ‡Harvard Medical School, Boston, MA ¶Madigan Army Medical Center, Fort Lewis, WA †Department of Anatomical Pathology, PathWest Laboratory Medicine, WA, Australia.
The American journal of surgical pathology.Am J Surg Pathol.2012 Nov;36(11):1579-91. doi: 10.1097/PAS.0b013e318265fa4b.
Pancreatic acinar cystadenomas (ACAs) are rare cystic lesions showing acinar differentiation with benign outcome. Although debated, ACAs are favored to be neoplastic and potentially the benign counterpart of acinar cystadenocarcinoma. We present the largest single institution series to date comprisi
PMID 23060352

SSUR.628

	真性嚢胞						仮性嚢胞
	先天性嚢胞	貯留性嚢胞	腫瘍性嚢胞				急性仮性嚢胞	慢性仮性嚢胞
			粘液性嚢胞腫瘍	漿液性嚢胞腫瘍	膵管内乳頭粘液性腫瘍
	congenital cyst	retention cyst	mucinous cystic neoplasm	serous cystic neoplasm	intraductal papillary mucinous neoplasm		acute pseudocyst	chronic pseudocyst
			MCN	SCN	IPMN
					主膵管型	分枝型
病因	例えば、遺伝性(嚢胞線維症)	膵管閉塞(腫瘍、膵石、炎症など)					急性膵炎、外傷など	慢性膵炎、慢性の貯留嚢胞
特徴		長期の経過で上皮が剥脱して仮性嚢胞との区別が困難になる		星芒状中心瘢痕、石灰化多い	粘液を産生。乳頭状増殖。
疫学			閉経前後の女性
部位			膵尾部に好発
嚢胞の大きさ				小嚢胞
被膜			共通	共通
腫瘍化			壁在結節出現や隔壁肥厚	稀	70%が悪性	70%以上が良性
内容物			粘液	漿液	粘液
治療			悪性の可能性があり切除		悪性の可能性があり切除	経過観察も可能	自然消失が多い。	自然消失はない
治療						条件により切除	6週経過を見る。