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Abstract
Initial presentation of metastatic clear-cell renal cell carcinoma with rare vaginal and bone involvement
Moderated Poster Abstract
Case Study
Oncology: Kidney (non-UTUC)
Author's Information
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Taiwan
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
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
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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Abstract Content
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.
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.
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.
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.
renal cell carcinoma, vaginal metastasis, femoral fracture, nephrectomy, bone metastasis
https://storage.unitedwebnetwork.com/files/1237/904b3da2c2d193fe5201f17046b2bbe7.png
Dynamic abdominal CT (2024/12/17) illustrating a heterogeneously enhancing left renal tumor abutting the pancreatic tail and invading the left renal vein.
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Dynamic pelvic CT (2024/12/17) revealing abnormal soft tissue density within the uterine cavity, suggestive of uterine metastasis.
https://storage.unitedwebnetwork.com/files/1237/d63f7faac5cca5c77960b863bc8642e5.png
Chest CT (2025/01/02) showing multiple bilateral pulmonary nodules, compatible with metastatic renal cell carcinoma.
https://storage.unitedwebnetwork.com/files/1237/86dd1dcdaabde3b312cd0dd65353af63.png
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.
https://storage.unitedwebnetwork.com/files/1237/0b97c1e9204ccdfd40dfba9fe3fed781.png
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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