Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures

Sacrococcygeal teratomas (SCT) are most commonly seen in infants and children but are rare in adults. Most adult SCT are benign and mature with a minority of tumors having immature components or overt malignancy. Here, we report a 65-year-old female with a SCT developing adenocarcinoma. The patient...

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Main Authors: Shengjie Cui, Jing Han, Binny Khandakar, Barak Friedman, Domingo Nunez, Gabriel A. Sara, Gabriel S. Levi
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Case Reports in Pathology
Online Access:http://dx.doi.org/10.1155/2021/5045250
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author Shengjie Cui
Jing Han
Binny Khandakar
Barak Friedman
Domingo Nunez
Gabriel A. Sara
Gabriel S. Levi
author_facet Shengjie Cui
Jing Han
Binny Khandakar
Barak Friedman
Domingo Nunez
Gabriel A. Sara
Gabriel S. Levi
author_sort Shengjie Cui
collection DOAJ
description Sacrococcygeal teratomas (SCT) are most commonly seen in infants and children but are rare in adults. Most adult SCT are benign and mature with a minority of tumors having immature components or overt malignancy. Here, we report a 65-year-old female with a SCT developing adenocarcinoma. The patient was diagnosed with benign sacrococcygeal cystic teratoma on her initial hospital visit and was treated with surgical resection. She was followed up postoperatively and was noted to have a markedly elevated CA 19-9 level 13 months after the surgery. Radiological and clinical examination revealed thickening of the perirectal soft tissues, located near the inferior portion of her previous incision site. Histological evaluation of the lesion showed invasive, moderately differentiated adenocarcinoma. Immunohistochemical staining results were suggestive, but not diagnostic, of anal gland adenocarcinoma. This case report expands the knowledge regarding an adenocarcinoma arising from a previously benign, adult SCT.
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spelling doaj-art-e3a5634ba4b94d75823ab3873e0cb1be2025-02-03T01:03:42ZengWileyCase Reports in Pathology2090-679X2021-01-01202110.1155/2021/5045250Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of LiteraturesShengjie Cui0Jing Han1Binny Khandakar2Barak Friedman3Domingo Nunez4Gabriel A. Sara5Gabriel S. Levi6The Department of PathologyThe Department of PathologyThe Department of PathologyDepartment of Diagnostic, Molecular and Interventional RadiologyThe Department of SurgeryThe Department of MedicineThe Department of PathologySacrococcygeal teratomas (SCT) are most commonly seen in infants and children but are rare in adults. Most adult SCT are benign and mature with a minority of tumors having immature components or overt malignancy. Here, we report a 65-year-old female with a SCT developing adenocarcinoma. The patient was diagnosed with benign sacrococcygeal cystic teratoma on her initial hospital visit and was treated with surgical resection. She was followed up postoperatively and was noted to have a markedly elevated CA 19-9 level 13 months after the surgery. Radiological and clinical examination revealed thickening of the perirectal soft tissues, located near the inferior portion of her previous incision site. Histological evaluation of the lesion showed invasive, moderately differentiated adenocarcinoma. Immunohistochemical staining results were suggestive, but not diagnostic, of anal gland adenocarcinoma. This case report expands the knowledge regarding an adenocarcinoma arising from a previously benign, adult SCT.http://dx.doi.org/10.1155/2021/5045250
spellingShingle Shengjie Cui
Jing Han
Binny Khandakar
Barak Friedman
Domingo Nunez
Gabriel A. Sara
Gabriel S. Levi
Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
Case Reports in Pathology
title Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
title_full Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
title_fullStr Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
title_full_unstemmed Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
title_short Recurrent Adult Sacrococcygeal Teratoma Developing Adenocarcinoma: A Case Report and Review of Literatures
title_sort recurrent adult sacrococcygeal teratoma developing adenocarcinoma a case report and review of literatures
url http://dx.doi.org/10.1155/2021/5045250
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