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克罗恩病患者肛管腺癌的不良肿瘤学结局。

Adverse Oncologic Outcomes of Adenocarcinoma of the Anal Canal in Patients With Crohn's Disease.

机构信息

Division of Lower Gastrointestinal Surgery, Department of Surgery, Hyogo College of Medicine, Hyogo, Japan.

Division of Surgery, Department of Inflammatory Bowel Disease, Hyogo College of Medicine, Hyogo, Japan.

出版信息

Dis Colon Rectum. 2021 Apr 1;64(4):409-419. doi: 10.1097/DCR.0000000000001874.

DOI:10.1097/DCR.0000000000001874
PMID:33394780
Abstract

BACKGROUND

Anal lesions in cases of Crohn's disease can give rise to adenocarcinoma of the anal canal; however, the oncologic outcomes in these patients have not yet been thoroughly investigated.

OBJECTIVE

This study aimed to clarify the influence of Crohn's disease on the oncologic outcomes in patients with adenocarcinoma of the anal canal.

DESIGN

This was a retrospective observational study from a prospectively collected database.

SETTINGS

The study was conducted at a single institution.

PATIENTS

This study included 102 patients with adenocarcinoma of the anal canal, including 34 (33.3%) with Crohn's disease-associated lesions and 68 (66.7%) with non-Crohn's disease-associated lesions.

MAIN OUTCOME MEASURES

Prognostic factors were detected using a Cox regression analysis, and the oncologic outcomes were calculated using the Kaplan-Meier method.

RESULTS

Crohn's disease-associated patients were significantly younger (45 vs 62 y; p < 0.001), had a high incidence of external/anal gland-type disease (61.8% vs 5.9%, p < 0.001) and had large tumors (7.1 ± 3.0 vs 4.7 ± 2.3 cm; p = 0.03) in comparison with non-Crohn's disease-associated patients. A Cox regression analysis showed that an advanced clinical T stage (T3 or T4; tumor size ≥5 cm) was an independent risk factor for 5-year local recurrence-free survival (HR = 3.49; p = 0.04), disease-free survival (HR = 2.82; p = 0.008), and overall survival (HR = 2.92; p = 0.006), and Crohn's disease association was an independent prognostic factor for local recurrence-free survival (HR = 2.29; p = 0.04) and overall survival (HR = 2.86; p = 0.04). The oncologic outcomes of patients who had the 2 abovementioned negative factors (cT3,4 Crohn's disease-associated patients) were significantly poorer than those of T3,4 non-Crohn's disease-associated patients (5-year local recurrence-free survival: 32.5% vs 70.4%, p = 0.001; disease-free survival: 15.9% vs 40.7%, p = 0.04; overall survival: 25.8% vs 71.0%, p = 0.007).

LIMITATIONS

This was a single-arm, retrospective study.

CONCLUSIONS

Significantly poorer oncologic outcomes were confirmed in Crohn's disease-associated patients with large tumors. Thus, it is important to perform careful surveillance of anal lesions in patients with Crohn's disease while taking these facts into consideration. See Video Abstract at http://links.lww.com/DCR/B449.

RESULTADOS ONCOLGICOS ADVERSOS DEL ADENOCARCINOMA DEL CANAL ANAL EN PACIENTES CON ENFERMEDAD DE CROHN

ANTECEDENTES:Las lesiones anales en casos de enfermedad de Crohn pueden dar lugar a un adenocarcinoma del canal anal; sin embargo, los resultados oncológicos en estos pacientes aún no se han investigado a fondo.OBJETIVOS:Este estudio tuvo como objetivo aclarar la influencia de la enfermedad de Crohn en los resultados oncológicos en pacientes con adenocarcinoma del canal anal.DISEÑO:Estudio observacional retrospectivo de una base de datos recopilada prospectivamente.ENTORNO CLINICO:El estudio se realizó en una sola institución.PACIENTES:Este estudio incluyó 102 pacientes con adenocarcinoma del canal anal, incluidos 34 (33,3%) con lesiones asociadas a la enfermedad de Crohn y 68 (66,7%) con lesiones no asociadas a la enfermedad de Crohn.PRINCIPALES MEDIDAS DE VOLARACION:Los factores pronósticos se detectaron mediante un análisis de regresión de Cox y los resultados oncológicos se calcularon utilizando el método de Kaplan-Meier.RESULTADOS:Los pacientes asociados a la enfermedad de Crohn eran significativamente más jóvenes (45 versus a 62 años, p <0,001), tenían una alta incidencia de enfermedad de tipo glandular externo/ anal (61,8% versus a 5,9%, p <0,001) y tumores grandes (7,1 ± 3,0 cm versus a 4,7 ± 2,3 cm, p = 0,03) en comparación con los pacientes no asociados a la enfermedad de Crohn. Un análisis de regresión de Cox mostró que un estadío clínico T avanzado (T3,4; tamaño del tumor ≥5 cm) era un factor de riesgo independiente para la supervivencia sin recidiva local (SLF) a 5 años (índice de riesgo [HR]: 3,49, p = 0,04), supervivencia libre de enfermedad (SSE) (HR: 2,82, p = 0,008) y supervivencia general (SG) (HR: 2,92, p = 0,006), y la enfermedad de Crohn asociada fue un factor pronóstico independiente para la SLF (HR: 2,29, p = 0,04) y SG (HR: 2,86, p = 0,04). Los resultados oncológicos de los pacientes que tenían los dos factores negativos mencionados anteriormente (pacientes asociados con la enfermedad de Crohn cT3,4) fueron significativamente peores que los de los pacientes no asociados con la enfermedad de Crohn con T3,4 (LFS a 5 años: 32,5% versus a 70,4 %, p = 0,001; SSE: 15,9% versus a 40,7%, p = 0,04; SG: 25,8% versus a 71,0%, p = 0,007).LIMITACIONES:Un estudio retrospectivo de un solo brazo.CONCLUSIONES:Se confirmaron resultados oncológicos significativamente peores en pacientes asociados con la enfermedad de Crohn con tumores grandes. Por lo tanto, es importante realizar una vigilancia cuidadosa de las lesiones anales en pacientes con enfermedad de Crohn. Consulte Video Resumen en http://links.lww.com/DCR/B449.

摘要

背景

克罗恩病相关的肛门病变可导致肛门腺癌;然而,这些患者的肿瘤学结果尚未得到深入研究。

目的

本研究旨在阐明克罗恩病对肛门腺癌患者的肿瘤学结果的影响。

设计

这是一项从前瞻性收集的数据库中进行的回顾性观察性研究。

地点

这项研究在一家医疗机构进行。

患者

这项研究包括 102 名肛门腺癌患者,其中 34 名(33.3%)有克罗恩病相关病变,68 名(66.7%)无克罗恩病相关病变。

主要观察指标

采用 Cox 回归分析检测预后因素,并采用 Kaplan-Meier 方法计算肿瘤学结果。

结果

克罗恩病相关患者明显更年轻(45 岁 vs 62 岁;p<0.001),外部/肛门腺型疾病发生率较高(61.8% vs 5.9%,p<0.001),肿瘤较大(7.1±3.0cm vs 4.7±2.3cm,p=0.03)。与非克罗恩病相关患者相比。Cox 回归分析显示,晚期临床 T 期(T3 或 T4;肿瘤大小≥5cm)是 5 年局部无复发生存率(HR=3.49,p=0.04)、无病生存率(HR=2.82,p=0.008)和总生存率(HR=2.92,p=0.006)的独立危险因素,而克罗恩病相关性是局部无复发生存率(HR=2.29,p=0.04)和总生存率(HR=2.86,p=0.04)的独立预后因素。有上述两个负面因素(cT3、4 克罗恩病相关患者)的患者的肿瘤学结果明显差于 T3、4 非克罗恩病相关患者(5 年局部无复发生存率:32.5% vs 70.4%,p=0.001;无病生存率:15.9% vs 40.7%,p=0.04;总生存率:25.8% vs 71.0%,p=0.007)。

局限性

这是一项单臂、回顾性研究。

结论

在患有大肿瘤的克罗恩病相关患者中,明显证实了较差的肿瘤学结果。因此,在考虑这些事实的同时,重要的是对克罗恩病患者的肛门病变进行仔细监测。详见视频摘要:http://links.lww.com/DCR/B449。

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