胰腺浆液性囊腺瘤MSCT表现与病理特征

doi:DOI:10.12117/jccmi.2020.04.010

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Abstract Objective: To explore the MSCT findings and pathological features of serous cystadenoma of the pancreas(SCP). Methods: The MSCT findings of 43 patients with serous cystadenoma of pancreas confirmed by operation and pathology were analyzed retrospectively. The location, size, cyst type, central scar, calcification and enhancement characteristics of the lesions were observed. Results: In 43 cases of SCP, 34 cases were serous microcystic adenomas(SMA), the average diameter of cysts was (4.2±0.5) cm. Among 34 cases of SMA, 29 cases of polycystic honeycomb type had multiple thick and thin uneven honeycomb septum with thickness of 0.03～0.2 cm, 5 cases of polycystic sponge type had mixed density of cysts and solid, and the cystic septa was unclear. Among 34 cases of SMA, there were 14 cases of central starlike fibrous scars, 14 cases of radial or gritty calcification in mass and spotted calcification in cyst wall, and 4 cases of upstream pancreatic duct dilatation. There were 9 cases of serous oligocystic adenoma(SOA), including 4 cases of single cyst type, which were round or oval, with an average diameter of (3.1±3) cm, 5 cases of polycystic type, which were lobulated and consisted of several small cysts with thin and smooth cyst wall, with a cyst wall thickness of <0.1 cm. The enhancement showed that the cystic septum, central star-shaped scars and solid components of SMA were mostly mild to moderate enhancement, the more cystic septum and solid components, the more obvious the strengthening, the central fibrous scar was delayed enhancement, no enhancement in the cyst of the SOA, only mild enhancement of the cystic wall and cystic septum. Conclusions: CT findings of SCP have certain characteristics. On plain CT scan, SMA is honeycomb or sponge-like, starlike fibrous scar and radiate calcification are seen in the center of the tumor, and the wall of the cyst, the septum and the solid part are lightly or moderately or significantly enhanced, which is characterized by delayed enhancement of central fibrous scar, SOA consists of single or several large cysts without central fibrous scar and calcification, slight enhancement of cystic wall and cystic septum is characteristic.

Key words： Pancreatic neoplasms Cystadenoma, serous Tomography, spiral computed

Received: 18 July 2019

PACS:	Ｒ735.9
	Ｒ814.42

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	Articles by authors
	WANG Zhi-qiang1
	XU Jing-xuan2
	QIU Qian-de3

Cite this article:

WANG Zhi-qiang1,XU Jing-xuan2,QIU Qian-de3. MSCT manifestations and pathological features of serous cystadenoma of pancreas[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2020, 31(4): 271-275.

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http://www.jccmi.com.cn/EN/DOI:10.12117/jccmi.2020.04.010 OR http://www.jccmi.com.cn/EN/Y2020/V31/I4/271

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