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[Clinical and ultrasonographic features of testis tumor in children of different ages]. | LitMetric

[Clinical and ultrasonographic features of testis tumor in children of different ages].

Zhonghua Nan Ke Xue

Department of Ultrasound, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai 200062, China .

Published: November 2018

AI Article Synopsis

Article Abstract

Objective: To explore the ultrasonographic characteristics of testis tumor in children of different ages.

Methods: We retrospectively analyzed the clinical data, ultrasonographic results, surgical methods and pathological findings of 76 children with testis tumor treated in Shanghai Children's Hospital between April 2013 and March 2018. According to the age at the first diagnosis, we divided the patients into a 0-4 yr (n = 57) and a 5-12 yr group (n = 19), and compared the clinical manifestations, tumor markers, ultrasonographic features such as the tumor size, echogenicity, calcification and color flow images, pathological findings, and surgical methods between the two groups of patients.

Results: Benign tumors were found in 73.4% of the 76 children and in 100% of the patients in the 5-12 yr group, with epidermoid cyst as the most common type (52.6% [10/19]), 47.4% (9/19) found accidentally, 94.7% (9/19) without elevation of the alpha-fetoprotein (AFP) level, and 94.7% (9/19) treated by testis-sparing surgery (TSS). In the 0-4 yr group, teratoma and yolk sac tumors were the most common and 87.7% (50/57) of the cases were characterized by painless scrotal swelling with a normal or elevated AFP level, treated by TSS or radical orchiectomy. There were statistically significant differences between the two groups of patients in the clinical manifestations, AFP values, pathological findings and surgical methods (all P < 0.05), but not in the ultrasonographic results, mostly solid or mixed cystic-solid masses (χ2 = 0.908, P = 0.635). The maximum diameter of the tumors was smaller and the volume of the healthy contralateral testis was greater in the 5-12 yr than in the 0-4 yr group (t = 2.673 and 2.858, P = 0.009 and 0.010). The proportions of the tumors with calcification and those with grade 0 blood flow were significantly higher in the former than in the latter group (χ2 = 4.825 and 12.298, P = 0.028 and 0.006).

Conclusions: Testis tumors have different clinical and ultrasonographic features in children of different age groups, malignancy mostly in 0- to 4-year-olds while benignancy commonly in 5- to 12-year-olds, frequently with normal AFP, calcification, and less abundant color blood flow. TSS is recommended for the treatment of testis tumor with serum AFP negative in 5-12 years old children.

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