2006
DOI: 10.1002/jcu.20249
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Sonographic appearance of a testicular yolk sac tumor in a 2‐year‐old boy

Abstract: Yolk sac tumor (YST) of testis is the most common of all childhood testicular malignancies. We report a case of testicular YST in a 2-year-old boy. The tumor appeared sonographically as an ovoid, homogeneous, well-circumscribed, isoechoic, solid testicular mass with good sound-through transmission and increased internal vascularity on color Doppler imaging. The serum alpha-fetoprotein level was 4,396 ng/ml. Pathological examination confirmed YST at at stage I. Although the sonographic appearance of YST of the … Show more

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Cited by 9 publications
(12 citation statements)
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“…1,4 In contrast, yolk sac tumors in adults rarely occur in isolation and usually present as a component of a mixed germ cell tumor. 1Y3 Pure yolk sac tumors almost always occur in children and are the most common childhood testicular tumor, accounting for 70% to 80% of malignant testicular neoplasms.…”
Section: Discussionmentioning
confidence: 99%
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“…1,4 In contrast, yolk sac tumors in adults rarely occur in isolation and usually present as a component of a mixed germ cell tumor. 1Y3 Pure yolk sac tumors almost always occur in children and are the most common childhood testicular tumor, accounting for 70% to 80% of malignant testicular neoplasms.…”
Section: Discussionmentioning
confidence: 99%
“…1,3 Sonography is the ideal imaging modality to evaluate testicular pathology. 2,5 Evaluation of a solid testicular mass includes scrotal ultrasound; chest, abdominal, and pelvic CT; and determination of serum tumor marker levels such as AFP and A-hCG.…”
Section: Discussionmentioning
confidence: 99%
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“…Também conhecido como tumor do saco vitelínico, tumor de Teilum ou orquioblastoma, é raro na prática clínica, porém é o mais comum tumor maligno testicular na infância, cerca de 70 a 80 % do total. 8,9 . Clinicamente, há um aumento assintomático do testículo acometido, normalmente, antes dos dois anos de idade podendo ter hidrocele associada a alguns casos (15 a 25%), o que, muitas vezes pode retardar o diagnóstico.…”
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