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Abdominal Radiology

Erschienen in:

13.08.2019 | Special Section : Ovarian Cancer

Multimodality imaging and genomics of granulosa cell tumors

verfasst von: Sherif Elsherif, Matthew Bourne, Erik Soule, Chandana Lall, Priya Bhosale

Erschienen in: Abdominal Radiology | Ausgabe 3/2020

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Abstract

Objective

The purpose of this article is to review the imaging findings and genomics of granulosa cell tumors (GCTs) in order to aid in diagnosis and management of GCTs. GCTs are the most common type of sex cord-stromal tumors of the ovary. They are usually diagnosed initially with ultrasound and are subsequently further characterized with CT and MRI. PET/CT is often ordered as well to measure the extent of disease and for follow-up, but its usefulness is in question as some GCTs lack FDG avidity. There is significant variability in imaging phenotypes of GCTs, ranging from mostly cystic to almost solid. More resources have recently been dedicated to understanding the genetics and molecular mechanisms of GCT development. Current research shows that the main cause of GCT carcinogenesis is the FOXL2 mutation, but there are several other noteworthy mutations that contribute to the pathogenesis of this disease. Certain mutations, like GATA4, are known to be associated with more aggressive disease and higher rates of recurrence.

Conclusion

Using this information, imaging protocols can be altered depending on the genotype of the tumor. Further understanding of the genetic alterations that underpin the development of GCTs is indicated as genotypic knowledge could be used to guide optimal imaging and management strategies.

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Titel: Multimodality imaging and genomics of granulosa cell tumors
verfasst von: Sherif Elsherif
Matthew Bourne
Erik Soule
Chandana Lall
Priya Bhosale
Publikationsdatum: 13.08.2019
Verlag: Springer US
Erschienen in: Abdominal Radiology / Ausgabe 3/2020
Print ISSN: 2366-004X
Elektronische ISSN: 2366-0058
DOI: https://doi.org/10.1007/s00261-019-02172-3

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Multimodality imaging and genomics of granulosa cell tumors

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