International journal of surgical pathology · 2009
Primary yolk sac tumor of the urachus.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Romero-Rojas Alfredo Ernesto, Messa-Botero Oscar Alberto, Melo-Uribe Mario Alexander, Díaz-Pérez Julio Alexander, Chinchilla-Olaya Sandra Isabel
Аннотация
INTRODUCTION: Neoplasms originating from the urachus are rare. The most common urachal malignancy is adenocarcinoma, whereas extragonadal germ cell tumors, primarily of the urachus, are an extremely rare finding.
OBJECTIVE: To describe a primary yolk sac tumor (YST) of the urachus in an adult.
CASE REPORT: A 44-year-old woman presented with 6 months of pelvic pain associated with a sensation of progressive mass growth. At the time of tumor resection, the tumor was found to be attached by a pedicle to the dome of the bladder, with no injury to the adjacent organs. Pathological study showed a neoplasm with epithelioid cells, pseudocysts, a myxomatous background, and Schiller-Duval body formations. Immunohistochemistry stains showed positivity to AE1/AE3, α-1-fetoprotein, and α-1-antitrypsin and negativity to other markers.
CONCLUSION: An unusual case of a YST in the urachus is presented. This is the first reported adult case based on the authors' bibliographic search.
OBJECTIVE: To describe a primary yolk sac tumor (YST) of the urachus in an adult.
CASE REPORT: A 44-year-old woman presented with 6 months of pelvic pain associated with a sensation of progressive mass growth. At the time of tumor resection, the tumor was found to be attached by a pedicle to the dome of the bladder, with no injury to the adjacent organs. Pathological study showed a neoplasm with epithelioid cells, pseudocysts, a myxomatous background, and Schiller-Duval body formations. Immunohistochemistry stains showed positivity to AE1/AE3, α-1-fetoprotein, and α-1-antitrypsin and negativity to other markers.
CONCLUSION: An unusual case of a YST in the urachus is presented. This is the first reported adult case based on the authors' bibliographic search.