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Clinical Case Report: Renal Ewing Sarcoma in Pregnant Patient: Magnetic Resonance Imaging Approach and Bibliographical Review

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Open Journal of Urology 2024年第11期14卷 562-571页

作者： Alejandro Manuel Bolón Ojeda Vania Paola Balcazar Vidal jhonatan gómez domínguez Department of Radiology and Imaging Juan Graham Casassus Hospital Villahermosa City Mexico

The case report presents the clinical case of a pregnant patient with renal Ewing’s sarcoma, an extremely rare tumor. Renal tumors during pregnancy are uncommon, with renal cell carcinoma being the most frequent. The diagnosis of cancer during pregnancy has increased due to the use of non-invasive prenatal testing (NIPT) and advanced maternal age. Renal tumors, such as Ewing’s sarcoma, present a diagnostic and therapeutic challenge due to the physiological changes during pregnancy. Renal Ewing’s sarcoma is aggressive and tends to manifest with abdominal pain, a palpable mass, and severe hematuria. However, its symptoms often go unnoticed, leading to late diagnosis with distant metastasis and poor prognosis. This type of tumor is diagnosed through histopathological studies, as imaging alone is insufficient for its characterization. In the presented case, multiparametric magnetic resonance imaging (MP-MRI) was used to assess the renal mass due to the limitations of using computed tomography in pregnant women. MRI provides both morphological and behavioral information about the tumor and is particularly useful in patients where radiation exposure is contraindicated. In this case, the MRI revealed a large tumor in the left kidney, with extension to adjacent structures, thrombosis in the vena cava, and hepatic and bone metastases. The article concludes that this is the largest renal Ewing’s sarcoma tumor described in a pregnant patient in the literature. It highlights the importance of early diagnosis and appropriate intervention to improve the prognosis in these rare but aggressive cases.

关键词： Pregnancy Tumors Renal Ewing’s Sarcoma

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PET/CT with <sup>18</sup>F-PSMA in Patients with Prostate Cancer, Review of the Initial Experience

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Open Journal of Urology 2021年第4期11卷 158-175页

作者： jhonatan gómez domínguez Jorge Martin Schalch Ponce de León Jose Luis Criales Cortés Department of PET/CT in CT Scanner San Angel Mexico City Mexico

METHOD: We carry out an observational study where reviewed the PET/CT studies with PSMA marked with Fluor-18 (18F) carried out from February 2019 to September 2020. We analyzed the average value of hepatic uptake SUV ... 详细信息

g>METHOD:g> We carry out an observational study where reviewed the PET/CT studies with PSMA marked with Fluor-18 (18F) carried out from February 2019 to September 2020. We analyzed the average value of hepatic uptake SUV lean average (SUVlave), acquisition time, age, reason from the study, focal, multifocal and diffuse prostate uptake, analysis of the location of metastases, level of prostate specific antigen (PSA), we describe uptakes of non-prostate origin and focal uptakes in ribs without anatomical representation. g>RESULTS:g> The average hepatic SUVlave was 9.7, the acquisition times were variable (52 - 183 minutes) without alterations in the white-background relationship, the most frequent indication for the study was staging, the uptake in ribs without anatomical representation were considered benign with certain characteristics, PET/CT has the ability to detect neoplastic activity with low PSA levels in lymph nodes g>CONCLUSION:g> PET/CT with 18F-PSMA has advantages over bone scan and computed tomography of the abdomen and pelvis for the staging of prostate cancer.

关键词： 18F-PSMA Prostate Cancer Non-Prostatic Uptakes

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Renal Anastomosing Hemangioma Simulating Angiosarcoma as a Second Primary in a Patient with Breast Cancer

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Open Journal of Urology 2021年第12期11卷 466-473页

作者： Daniel Fernando Méndez López jhonatan gómez domínguez Jorge Antonio Rojas gonzález Marco Antonio Ortiz Jiménez Omar Santos Moreno Department of Radiology in the governmental Hospital “Hospital de Especialidades 5 de Mayo” (ISSSTEP) Puebla Mexico

Anastomosing hemangioma is a type of tumor lesion of benign behavior scarcely documented, it has been observed in renal parenchyma, testicles, ovaries and adrenal glands, it is usually prone to perirenal and renal medullary adipose tissue. In this case report, we present an anastomosed hemangioma in the right kidney of a 33-year-old woman, with previous coexistence of breast cancer, in which an unusual behavior was detected, with characteristics of vascular lesion, in this case we report: The classic conditions, its heterogeneous nature and the vascular alterations that presents in different imaging modalities.

关键词： Anastomosing Hemangioma Kidney Tumor Lesion Breast Cancer

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