Multislice spiral CT features of intestinal diffuse large B-cell lymphoma

doi:10.3877/cma.j.issn.2095-2015.2018.05.002

Abstract

Abstract:

Objective

To investigate the CT features of intestinal diffuse large B-cell lymphoma and improve the diagnostic accuracy of the disease.

Methods

The clinical, colonoscopy, pathology and CT data of 16 patients with intestinal diffuse large B-cell lymphoma confirmed by pathology, operation or multidisciplinary team consultation were collected in Xijing Hospital of Fourth Military Medical University from January 2011 to December 2016.The CT findings were summarized and compared with the diagnostic accuracy.

Results

94%(15/16)of patients had one lesion and only one patient had multiple lesions, and 41%(7/17)of lesions located in the ileocecus.41%(7/17)of tumors showed intestinal wall mass enhancement combined with intestine dilatation, 35%(6/17)showed mass-like, mass-like thickening combined with intestinal stenosis and mildly thickened intestinal wall each accounted for 12%(2/17).13 cases of tumor were saw vessel floating sign.Tumor density uniformity was showed in 14 cases, 3 cases of necrosis, 16 cases of mild or moderate enhancement, 1 case of significantly enhanced.14 cases showed peripheral, retroperitoneal or mesenteric lymph nodes enlargement and 5 cases showed parenteral invasion.

Conclusion

The CT findings of intestinal diffuse large B-cell lymphoma have certain characteristics, and the summary and mastery of these features can improve the accuracy of diagnosis.

Key words: Large B-cell lymphoma, Intestinal tract, Multi-slice spiral CT

Yi Yang, Didi Wen, Hongliang Zhao, Jinji Xu, Bei E, Zhiwei Han, Yajun Shi, Jian Li, Weiqi Zhang, Rui Peng, Minwen Zheng. Multislice spiral CT features of intestinal diffuse large B-cell lymphoma[J]. Chinese Journal of Digestion and Medical Imageology(Electronic Edition), 2018, 08(05): 197-202.

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Figures/Tables 9

References 14

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CT特征		例数	%
部位		?	?
?	回肠末端/回盲部	7	41.2
?	回肠下段＋回盲部(多发)	1	5.9
?	空肠	5	29.4
?	回肠下段	1	5.9
?	升结肠	2	11.8
?	乙状结肠	1	5.9
肿瘤形态		?	?
不规则包块	?	6	35.3
?	肿块样增厚＋肠腔扩张	7	41.2
?	肿块样增厚＋肠腔狭窄	2	11.8
?	轻度局限性增厚	2	11.8
肿块强化程度		?	?
?	轻-中度强化	16	94.1
?	明显强化	1	5.9
血管漂浮征		13	76.5
邻近淋巴结肿大		5	29.4
肠系膜淋巴结肿大		5	29.4
腹膜后淋巴结肿大		4	23.5
肿瘤供血动脉		?	?
?	肠系膜上动脉分支	14	82.4
?	肠系膜下动脉分支	1	5.9
肠外侵犯		5	29.4
并发症		?	?
?	套叠	3	17.6
?	穿孔	1	5.9
?	梗阻	4	23.5

CT特征		例数	%
部位		?	?
?	回肠末端/回盲部	7	41.2
?	回肠下段＋回盲部(多发)	1	5.9
?	空肠	5	29.4
?	回肠下段	1	5.9
?	升结肠	2	11.8
?	乙状结肠	1	5.9
肿瘤形态		?	?
不规则包块	?	6	35.3
?	肿块样增厚＋肠腔扩张	7	41.2
?	肿块样增厚＋肠腔狭窄	2	11.8
?	轻度局限性增厚	2	11.8
肿块强化程度		?	?
?	轻-中度强化	16	94.1
?	明显强化	1	5.9
血管漂浮征		13	76.5
邻近淋巴结肿大		5	29.4
肠系膜淋巴结肿大		5	29.4
腹膜后淋巴结肿大		4	23.5
肿瘤供血动脉		?	?
?	肠系膜上动脉分支	14	82.4
?	肠系膜下动脉分支	1	5.9
肠外侵犯		5	29.4
并发症		?	?
?	套叠	3	17.6
?	穿孔	1	5.9
?	梗阻	4	23.5

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