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Updated: Jan 31, 2026

Modeling Spontaneous Metastatic Renal Cell Carcinoma mRCC in Mice Following Nephrectomy
Published on: April 29, 2014
Muscular Localization of a Clear-Cell Renal Carcinoma: An Atypical Clinical Presentation
Nada Ebbadi1, Mohamed Kaakoua2, Hamza Laabbar2
1Department of Radiology, Ibn Sina Military Hospital, Marrakech, MAR.
Abstract:
Secondary muscular metastases of clear-cell renal carcinoma (CCRC) are very rare and exceptional. We report the case of a 67-year-old patient who presented clinically with back pain, a chronic cough, and a mass on the left arm. A thoraco-abdomino-pelvic CT scan showed the presence of a malignant renal process associated with multiple pulmonary lesions suggestive of metastases. The lung biopsy returned in favor of CCRC. Histological examination of the right arm mass confirmed the secondary muscular involvement of the renal process. The rarity of muscle metastases from CCRC represents a true diagnostic challenge, warranting systematic investigation.
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