PMC6859122_01
Microscopically, the pigmented nodular tumor was composed of sheets, nests, and trabeculae of brown pigment-containing spindles and occasionally rounded cells (black arrows).
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Microscopically, the pigmented nodular tumor was composed of sheets, nests, and trabeculae of brown pigment-containing spindles and occasionally rounded cells (Figure 1).
Postoperative enhanced CT scan showing stable right upper retroperitoneal metastasis after 7 months (upper image) and 9 months (lower image) after resection of the left renal tumor.
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CT imaging at 7 months (Figure 2) and 9 months (Figure 3) after surgery confirmed no renal recurrence and stable retroperitoneal and lung metastasis, with positive regional and distant recurrence.
Postoperative enhanced CT scan showing stable right pulmonary metastasis after 7 months (upper image) and 9 months (lower image) after resection of the left renal tumor.
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CT imaging at 7 months (Figure 2) and 9 months (Figure 3) after surgery confirmed no renal recurrence and stable retroperitoneal and lung metastasis, with positive regional and distant recurrence. Figure 3 shows the mediastinal and right adrenal recurrence with a new development in the left adrenal nodule.
Mediastinal recurrence with pericardial effusion, bilateral adrenal and right intraperitoneal recurrences (upper image). Right adrenal recurrence with a new development of left adrenal nodule (lower image).
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Enhanced CT scans of the chest, abdomen, and pelvis showed multiple new metastases and progression of pulmonary, pericardial, and retroperitoneal metastasis (Figure 4).