Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging

Abstract Background Leydig cell tumors (LCTs) represent the most common form of stromal tumors. We reported the 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) findings of a patient with testicular LCT. Case presentation A 50-year-old man with a history of en...

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Autor principal:	Almalki Yassir
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Leydig cell tumors 18F-FDG PET/CT Renal transplantation Medical physics. Medical radiology. Nuclear medicine R895-920
Acceso en línea:	https://doaj.org/article/004926777ea046018334cca7ac309199
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spelling	oai:doaj.org-article:004926777ea046018334cca7ac3091992021-11-14T12:27:07ZLeydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging10.1186/s43055-021-00646-32090-4762https://doaj.org/article/004926777ea046018334cca7ac3091992021-11-01T00:00:00Zhttps://doi.org/10.1186/s43055-021-00646-3https://doaj.org/toc/2090-4762Abstract Background Leydig cell tumors (LCTs) represent the most common form of stromal tumors. We reported the 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) findings of a patient with testicular LCT. Case presentation A 50-year-old man with a history of end-stage renal disease and renal transplantation 19 years ago. One year earlier, he started to have a chronic rejection. During the investigation to determine the cause of chronic rejection, a suspicious lesion in the graft with a collection around it was seen on ultrasound (US) images, raising the possibility of post-transplant lymphoproliferative disorder (PTLD). The patient was referred for further evaluation by whole body 18F-FDG PET/CT imaging. The image finding revealed an incidental hypermetabolic focal lesion in the right testicle—no other specific findings in the remaining parts of the body nor definitive FDG avid lymphadenopathy to suggest PTLD. Testicular US was requested and showed a well-defined right-sided heterogeneous hypoechoic intratesticular focal mass at the upper pole of the right testis with significant internal vascularity on the color Doppler imaging. The patient underwent a right radical orchidectomy, and the tumor was pathologically confirmed as an LCT. Conclusion In our case, 18F-FDG-PET/CT has been helpful in incidentally detecting this rare testicular tumor in a patient with suspected PTLD.Almalki YassirSpringerOpenarticleLeydig cell tumors18F-FDG PET/CTRenal transplantationMedical physics. Medical radiology. Nuclear medicineR895-920ENThe Egyptian Journal of Radiology and Nuclear Medicine, Vol 52, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Leydig cell tumors 18F-FDG PET/CT Renal transplantation Medical physics. Medical radiology. Nuclear medicine R895-920
spellingShingle	Leydig cell tumors 18F-FDG PET/CT Renal transplantation Medical physics. Medical radiology. Nuclear medicine R895-920 Almalki Yassir Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
description	Abstract Background Leydig cell tumors (LCTs) represent the most common form of stromal tumors. We reported the 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) findings of a patient with testicular LCT. Case presentation A 50-year-old man with a history of end-stage renal disease and renal transplantation 19 years ago. One year earlier, he started to have a chronic rejection. During the investigation to determine the cause of chronic rejection, a suspicious lesion in the graft with a collection around it was seen on ultrasound (US) images, raising the possibility of post-transplant lymphoproliferative disorder (PTLD). The patient was referred for further evaluation by whole body 18F-FDG PET/CT imaging. The image finding revealed an incidental hypermetabolic focal lesion in the right testicle—no other specific findings in the remaining parts of the body nor definitive FDG avid lymphadenopathy to suggest PTLD. Testicular US was requested and showed a well-defined right-sided heterogeneous hypoechoic intratesticular focal mass at the upper pole of the right testis with significant internal vascularity on the color Doppler imaging. The patient underwent a right radical orchidectomy, and the tumor was pathologically confirmed as an LCT. Conclusion In our case, 18F-FDG-PET/CT has been helpful in incidentally detecting this rare testicular tumor in a patient with suspected PTLD.
format	article
author	Almalki Yassir
author_facet	Almalki Yassir
author_sort	Almalki Yassir
title	Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
title_short	Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
title_full	Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
title_fullStr	Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
title_full_unstemmed	Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging
title_sort	leydig cell tumor of the testis: an incidental finding at 18f-fdg pet/ct imaging
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/004926777ea046018334cca7ac309199
work_keys_str_mv	AT almalkiyassir leydigcelltumorofthetestisanincidentalfindingat18ffdgpetctimaging
_version_	1718429206639017984

Leydig cell tumor of the testis: an incidental finding at 18F-FDG PET/CT imaging

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