Clinical and ultrasonographic features of mucinous adenocarcinoma arising from anal fistula

doi:10.3877/cma.j.issn.1672-6448.2022.08.015

Abstract

Abstract:

Objective

To investigate the clinical and ultrasonographic features of mucinous adenocarcinoma arising from anal fistula.

Methods

From May 2014 to December 2020, 11 patients with mucinous adenocarcinoma arising from anal fistula diagnosed by pathology at the First Affiliated Hospital of Harbin Medical University were collected. All patients underwent transrectal ultrasound, inguinal lymph node ultrasound, and enteroscopy before operation, and the clinical and ultrasonic image characteristics of all patients were analyzed.

Results

Serum carcinoembryonic antigen (CEA) levels in all patients increased in varying degrees, ranging from 4.26 to 34.8 ng/ml (normal value: 0 to 3.4 ng/ml), with an average value of (12.3±8.4) ng/ml. The sonographic findings of all patients were sponge-like solid-cystic masses growing along the fistula, of which four cases had inguinal lymph node metastasis.

Conclusion

Transrectal ultrasound has good value in the diagnosis of mucinous adenocarcinoma arising from anal fistula. Transrectal ultrasound combined with serum CEA may help to improve the diagnostic accuracy.

Key words: Ultrasonography, Anal fistula, Adenocarcinoma, mucinous

Guangchen Zhang, Lisha Cui, Jianxin Wang, Yinzhu Chu, Changjun Wu. Clinical and ultrasonographic features of mucinous adenocarcinoma arising from anal fistula[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2022, 19(08): 813-817.

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URL: https://chaosheng.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1672-6448.2022.08.015

https://chaosheng.cma-cmc.com.cn/EN/Y2022/V19/I08/813

Figures/Tables 8

References 12

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序号	性别	年龄（岁）	病史（年）	是否复杂性肛瘘	病灶大小（cm×cm×cm）	超声特征	CEA（ng/ml）	分期
1	男	62	9	是	7.2×5.5×9.9	海绵样混合回声团块	18.50	T3N1M0
2	男	51	11	是	5.1×3.8×4.5	海绵样混合回声团块	4.26	T3N0M0
3	男	52	8	是	5.8×3.5×6.9	海绵样混合回声团块	17.52	T3N0M0
4	男	60	10	是	6.8×3.8×6.2	海绵样混合回声团块	7.64	T3N0M0
5	男	59	12	是	4.1×2.1×2.6	海绵样混合回声团块	34.82	T2N0M0
6	男	55	18	是	14.8×7.6×3.8	海绵样混合回声团块	9.02	T3N1M0
7	男	50	20	是	5.5×2.1×4.2	海绵样混合回声团块	7.58	T3N1M0
8	男	49	10	否	4.5×4.2×2.6	海绵样混合回声团块	4.67	T2N0M0
9	男	57	27	是	12.5×4.5×5.3	海绵样混合回声团块	12.44	T3N1M0
10	男	55	8	否	4.2×1.6×2.5	海绵样混合回声团块	10.16	T2N0M0
11	男	65	10	是	6.7×1.8×8.2	海绵样混合回声团块	6.82	T3N0M0

序号	性别	年龄（岁）	病史（年）	是否复杂性肛瘘	病灶大小（cm×cm×cm）	超声特征	CEA（ng/ml）	分期
1	男	62	9	是	7.2×5.5×9.9	海绵样混合回声团块	18.50	T3N1M0
2	男	51	11	是	5.1×3.8×4.5	海绵样混合回声团块	4.26	T3N0M0
3	男	52	8	是	5.8×3.5×6.9	海绵样混合回声团块	17.52	T3N0M0
4	男	60	10	是	6.8×3.8×6.2	海绵样混合回声团块	7.64	T3N0M0
5	男	59	12	是	4.1×2.1×2.6	海绵样混合回声团块	34.82	T2N0M0
6	男	55	18	是	14.8×7.6×3.8	海绵样混合回声团块	9.02	T3N1M0
7	男	50	20	是	5.5×2.1×4.2	海绵样混合回声团块	7.58	T3N1M0
8	男	49	10	否	4.5×4.2×2.6	海绵样混合回声团块	4.67	T2N0M0
9	男	57	27	是	12.5×4.5×5.3	海绵样混合回声团块	12.44	T3N1M0
10	男	55	8	否	4.2×1.6×2.5	海绵样混合回声团块	10.16	T2N0M0
11	男	65	10	是	6.7×1.8×8.2	海绵样混合回声团块	6.82	T3N0M0

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