Ontology highlight
ABSTRACT: Background
Yolk sac tumor is the most common malignant nonseminomatous germ-cell tumor in children characterized by elevated level of α-fetoprotein (AFP), accounting for 70%-80% of all cases. However, giant yolk sac tumors that involve the entire testicle may be misdiagnosed by color Doppler ultrasonography as orchitis. Therefore, we described a case of a 2-year-old pediatric patient with a giant testicular yolk sac tumor that was misdiagnosed by ultrasonography as orchitis, in order to evaluate the role of measuring AFP levels in the initial diagnosis to aid in the accuracy of the definitive diagnosis of testicular yolk sac tumor.Case presentation
A 2-year-old boy received outpatient visits for unintentional swelling of the right scrotum for 7 days. Physical examina
SUBMITTER: Wang Z
PROVIDER: S-EPMC9807905 | biostudies-literature | 2022
REPOSITORIES: biostudies-literature