上海交通大学学报(医学版) ›› 2022, Vol. 42 ›› Issue (5): 617-623.doi: 10.3969/j.issn.1674-8115.2022.05.009

• 论著 · 临床研究 • 上一篇    下一篇

结膜黑色素瘤组织病理学特征、Ki-67表达和预后的关系

朱田雨1,2(), 宗春燕1,2, 许诗琼1,2, 葛盛芳1,2, 范先群1,2, 贾仁兵1,2()   

  1. 1.上海交通大学医学院附属第九人民医院眼科,上海 200011
    2.上海市眼眶病眼肿瘤重点实验室,上海 200011
  • 收稿日期:2022-03-19 接受日期:2022-05-25 出版日期:2022-05-28 发布日期:2022-05-28
  • 通讯作者: 贾仁兵 E-mail:zzzty555@sjtu.edu.cn;renbingjia@sjtu.edu.cn
  • 作者简介:朱田雨(1996—),女,硕士生;电子信箱:zzzty555@sjtu.edu.cn
  • 基金资助:
    上海市科学技术委员会项目(20DZ2270800);转化医学国家重大科技基础设施(上海)项目(TMSZ-2020-206)

Relationship between histopathological features, Ki-67 expression and prognosis of conjunctival melanoma

ZHU Tianyu1,2(), ZONG Chunyan1,2, XU Shiqiong1,2, GE Shengfang1,2, FAN Xianqun1,2, JIA Renbing1,2()   

  1. 1.Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
    2.Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
  • Received:2022-03-19 Accepted:2022-05-25 Online:2022-05-28 Published:2022-05-28
  • Contact: JIA Renbing E-mail:zzzty555@sjtu.edu.cn;renbingjia@sjtu.edu.cn
  • Supported by:
    The Science and Technology Commission of Shanghai(20DZ2270800);National Facility for Translational Medicine (Shanghai)(TMSZ-2020-206)

摘要:

目的·探究结膜黑色素瘤(conjunctival melanoma,CoM)组织病理学特征、Ki-67表达和预后的关系。方法·选取2008年8月—2020年9月收治于上海交通大学医学院附属第九人民医院眼科,经组织病理学证实为CoM的36例患者,收集其临床和组织病理学资料,分析其组织病理学特征、Ki-67表达情况和预后关系。结果·纳入的CoM患者中男性26例,女性10例,平均年龄为57.81(31~82)岁。发病位于泪阜11例(30.6%)、穹窿8例(22.2%)、睑结膜15例(41.7%)。根据美国癌症联合委员会(American Joint Committee on Cancer,AJCC)第8版CoM临床T分期系统评估,1例患者(2.8%)为T1期,12例(33.3%)为T2期,23例(63.9%)为T3期。在随访期间,16例患者(44.4%)出现局部复发,17例患者(47.2%)出现远处转移,16例患者(44.4%)死于疾病。CoM瘤体Breslow厚度为4.05(0.2~15.9)mm,18例(50.0%)厚度>4 mm,在13例(36.1%)和7例(19.4%)中分别观察到溃疡和消退现象。4例患者(11.1%)肿瘤浸润淋巴细胞(tumor-infiltrated lymphocytes,TILs)被评为“活跃”,26例(72.2%)被评为“不活跃”。3例患者(8.3%)存在外周神经侵犯,8例(22.2%)有血管浸润。35例(97.2%)处于垂直生长期,而仅有1例(2.8%)观察到显微镜下微卫星灶。组织学类型方面,18例(50.0%)为表浅样播散型,12例(33.3%)为结节型,4例(11.1%)为雀斑型,2例不明确。Ki-67指数>20%的患者14例(38.9%)。Breslow厚度>4 mm提示CoM局部复发风险(P=0.049)和疾病相关死亡风险(P=0.049)较高。组织学溃疡和消退分别是局部复发(P=0.030)和远处转移(P=0.046)的危险因素。此外,Ki-67指数与局部复发有关(P=0.016)。Spearman相关分析表明,Ki-67指数与局部复发呈显著正相关(P=0.433)。Ki-67指数>20%的CoM患者局部复发风险更高[风险比(hazard ratio,HR)为3.61;95%置信区间(confidence interval,CI)为(1.26~10.28);Log-rank P=0.011]。结论·CoM组织病理学特征和Ki-67表达可用于预测患者预后,有助于指导临床治疗。

关键词: 结膜肿瘤, 黑色素瘤, 临床病理学, Ki-67, 复发, 预后

Abstract:

Objective·To investigate the relationship between histopathological features, Ki-67 expression and prognosis of conjunctival melanoma (CoM).

Methods·Thirty-six patients with histopathologically confirmed CoM admitted to the Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine between August 2008 and September 2020 were selected, and their clinical characteristics and histopathological features data were collected to analyze their clinicopathological characteristics, Ki-67 expression and prognostic relationships.

Results·Thirty-six patients with CoM were included in this study, including 26 males and 10 females, with a mean age of 57.81 (31?82) years. The site of onset was located in the lacrimal caruncle in 11 cases (30.6%), the fornix in 8 cases (22.2%), and the palpebral conjunctiva in 15 cases (41.7%). One patient (2.8%) had T1 stage disease, 12 (33.3%) had T2 stage disease, and 23 (63.9%) had T3 stage according to the American Joint Committee on Cancer (AJCC) 8th edition staging system. During the follow-up period, local recurrence was observed in 16 patients (44.4%), distant metastases in 17 patients (47.2%) and 16 patients (44.4%) died of disease. The Breslow thickness of CoM tumors was 4.05 (0.2?15.9) mm, with 18 cases (50.0%) >4 mm. Ulceration and regression were observed in 13 cases (36.1%) and 7 cases (19.4%), respectively. Tumor-infiltrated lymphocytes (TILs) were rated as “brisk” in 4 patients (11.1%) and “nonbrisk” in 26 patients (72.2%). Three patients (8.3%) had perineural invasion and 8 patients (22.2%) had vascular invasion. Thirty-five cases (97.2%) were in the vertical growth phase, and microscopic satellitosis was observed in only one case (2.8%). Regarding the histological type, 18 cases (50.0%) were superficial spreading, 12 (33.3%) were nodular, 4 (11.1%) were lentiginous, and 2 were unknown. Ki-67 index>20% was observed in 14 patients (38.9%). Breslow thickness >4 mm indicated high risk of local recurrence (P=0.049) and disease-related death of CoM (P=0.049). Histological ulceration and regression were risk factors for local recurrence (P=0.030) and distant metastasis (P=0.046), respectively. In addition, Ki-67 index was related with local recurrence (P=0.016). Spearman correlation analysis showed that Ki-67 index was positively correlated with local recurrence (P=0.433). CoM patients with a Ki-67 index higher than 20% had a higher risk of local recurrence [hazard ratio (HR) 3.61, 95% confidence interval (CI) 1.26?10.28, Log-rank P=0.011].

Conclusion·Histopathological features and Ki-67 expression of CoM can be used to predict patient prognosis and help guide clinical treatment.

Key words: conjunctival neoplasms, melanoma, clinicopathology, Ki-67, recurrence, prognosis

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