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Withdrawn
Abstract
Abstract Title
Initial presentation of metastatic clear-cell renal cell carcinoma with rare vaginal and bone involvement
Presentation Type
Moderated Poster Abstract
Manuscript Type
Case Study
Abstract Category *
Oncology: Kidney (non-UTUC)
Author's Information
Number of Authors (including submitting/presenting author) *
3
No more than 10 authors can be listed (as per the Good Publication Practice (GPP) Guidelines).
Please ensure the authors are listed in the right order.
Country
Taiwan
Co-author 1
I-Hsiang Tseng fd12345655@gmail.com Taipei Veterans General Hospital Department of Urology Taipei Taiwan * College of Medicine and ShuTien Urological Research Center, National Yang Ming Chiao Tung University, Department of Urology Taipei Taiwan
Co-author 2
Tzu-chun Wei tony720714@gmail.com Taipei Veterans General Hospital Department of Urology Taipei Taiwan - College of Medicine and ShuTien Urological Research Center, National Yang Ming Chiao Tung University, Department of Urology Taipei Taiwan
Co-author 3
Eric Yi-Hsiu Huang yhhuang1gu@gmail.com Taipei Veterans General Hospital Department of Urology Taipei Taiwan - College of Medicine and ShuTien Urological Research Center, National Yang Ming Chiao Tung University, Department of Urology Taipei Taiwan
Co-author 4
Co-author 5
Co-author 6
Co-author 7
Co-author 8
Co-author 9
Co-author 10
Co-author 11
Co-author 12
Co-author 13
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Co-author 20
Abstract Content
Introduction
Renal cell carcinoma (RCC) accounts for approximately 3% of all adult malignancies and most often metastasizes to the lungs, liver, bones, and brain. Vaginal and uterine metastases are extremely rare, and presentation as a pathological fracture is also uncommon.
Materials and Methods
Case report: We present the case of a 64-year-old woman with a history of hypertension and chronic sinusitis, who was diagnosed with metastatic clear-cell RCC. Initial symptoms included painless gross hematuria. Imaging revealed a large left renal mass with renal vein tumor thrombus and suspected pancreatic invasion. She later developed right femoral shaft fracture due to bone metastasis.
Results
Discussion: This case highlights a rare pattern of RCC metastasis involving the vagina, uterus, lungs, and femur. It emphasizes the importance of considering RCC in the differential diagnosis of atypical vaginal lesions and spontaneous fractures, especially in patients with known renal masses.
Conclusions
We report a rare case of advanced clear-cell RCC presenting with unusual metastatic spread. Early recognition of metastatic complications can help guide surgical and systemic treatment strategies.
Keywords
renal cell carcinoma, vaginal metastasis, femoral fracture, nephrectomy, bone metastasis
Figure 1
https://storage.unitedwebnetwork.com/files/1237/904b3da2c2d193fe5201f17046b2bbe7.png
Figure 1 Caption
Dynamic abdominal CT (2024/12/17) illustrating a heterogeneously enhancing left renal tumor abutting the pancreatic tail and invading the left renal vein.
Figure 2
https://storage.unitedwebnetwork.com/files/1237/2cd89792400e3f0317d42b94ff894c7a.png
Figure 2 Caption
Dynamic pelvic CT (2024/12/17) revealing abnormal soft tissue density within the uterine cavity, suggestive of uterine metastasis.
Figure 3
https://storage.unitedwebnetwork.com/files/1237/d63f7faac5cca5c77960b863bc8642e5.png
Figure 3 Caption
Chest CT (2025/01/02) showing multiple bilateral pulmonary nodules, compatible with metastatic renal cell carcinoma.
Figure 4
https://storage.unitedwebnetwork.com/files/1237/86dd1dcdaabde3b312cd0dd65353af63.png
Figure 4 Caption
Hysteroscopic image (2025/01/10) showing no gross lesions in the cervix or upper vagina, but irregular neogrowths with contact bleeding over bilateral vulvovaginal walls, more prominent on the left side.
Figure 5
https://storage.unitedwebnetwork.com/files/1237/0b97c1e9204ccdfd40dfba9fe3fed781.png
Figure 5 Caption
Plain radiograph (2025/01/21) of the right femur demonstrating a displaced midshaft femoral fracture, consistent with pathological fracture secondary to metastasis.
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948
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