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Abstract：
Growing teratoma syndrome (GTS) is documented in literature to be a rare complication of non-seminomatous germ cell tumors that arises following chemotherapeutic treatment. Though represented through multiple case reports, the condition is rare that it evades observation and diagnosis, leading to complications secondary to metastasis and unchecked growth. GTS is identified via incidental finding on imaging (e.g. CT) or due to complications involving mass obstruction. Due to the potential severity of undiagnosed malignancy, it is important to effectively diagnose GTS in those presenting with non-specific symptoms and a history of testicular/ovarian cancer. It is also necessary to develop a method on how to monitor those considered to be at increased risk for developing such a condition. Here, we present a case of a middle-aged male who presented with complaints of a left lower quadrant abdominal mass and incidental finding of right retroperitoneal lesion, consistent with GTS.
摘要：
生长畸胎瘤综合征（GTS）在文献中被证明是化疗后出现的非精原细胞生殖细胞肿瘤的罕见并发症。尽管通过多份病例报告呈现，这种情况是罕见的，它逃避观察和诊断，导致继发于转移和未检查的生长的并发症。通过在成像(例如CT)上的偶然发现或由于涉及肿块阻塞的并发症来识别GTS。由于未确诊的恶性肿瘤的潜在严重程度，对于有非特异性症状和睾丸/卵巢癌病史的患者,有效诊断GTS非常重要.还需要开发一种方法来监测那些被认为有增加风险的人。这里,我们介绍了一例中年男性，他主诉左下腹肿块和偶然发现右腹膜后病变，与GTS一致。
