CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2022; 32(03): 301-307
DOI: 10.1055/s-0042-1744519
Original Article

Growing Teratoma Syndrome—A Clinicoradiological Series

Sheena Prineethi
1   Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Aparna Irodi
1   Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Anu Eapen
1   Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, India
,
Sharon Milton
2   Department of Pathology, Christian Medical College, Vellore, Tamil Nadu, India
,
Anjana Joel
3   Department of Medical Oncology, Christian Medical College, Vellore, Tamil Nadu, India
› Author Affiliations

Abstract

Context Growing teratoma syndrome (GTS) is a rare entity seen following chemotherapy for metastatic nonseminomatous germ cell tumors, characterized by increase in size of the metastatic deposits, with normal serum tumor markers.

Aims In this article, we aim to describe the various clinicoradiological presentations of GTS treated at our center.

Design All patients who satisfied the GTS criteria from 2001 to 2019 were included. Characteristic imaging appearances along with sites of primary lesion and metastatic disease, stage and risk stratification at diagnosis, details of chemotherapy, details of surgical treatment and histopathology, levels of tumor markers, serum β-human chorionic gonadotropin, lactate dehydrogenase, and alpha fetoprotein levels at baseline and at the end of all chemotherapy were analyzed.

Results The significant radiological findings observed were an increase in the fat and cystic components and appearance of coarse calcifications within the lesions. Majority of the cases were male patients (87.5%) with testicular primaries and GTS transformation in nodal metastases being the most common occurrence (75%). All eight cases (100%) showed an increase in size and cystic component, whereas four out of eight cases (50%) had presence of internal septations and internal calcification.

Conclusion Early recognition of this entity and clinical decision making through serial radiological imaging are of utmost importance as these growing deposits are resistant to chemotherapy and radiotherapy, with complete surgical excision being the only curative and definitive treatment option.



Publication History

Article published online:
17 August 2022

© 2022. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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