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http://dx.doi.org/10.1093/bjs/znaf029 | DOI Listing |
Mol Clin Oncol
November 2025
Department of Gastrointestinal Tumor Center, Beijing Arion Cancer, Beijing 102600, P.R. China.
Retroperitoneal leiomyosarcomas (RPLMS) are rare invasive malignant tumors originating from the smooth muscle of the retroperitoneum. Although metastasis mainly involves the lungs, liver and vascular regions, cutaneous metastasis is extremely rare, occurring in 1-2.6% of reported cases.
View Article and Find Full Text PDFJ Surg Oncol
September 2025
Department of Musculoskeletal Oncology, National Cancer Center Hospital, Tokyo, Japan.
Background: Retroperitoneal sarcoma (RPS) is a rare cancer, so few reports have previously characterized its national profiles. The capture rate of RPS in the Bone and Soft Tissue Tumor Registry was only 20%. The present study aimed to clarify the characteristics and clinical outcomes of RPS using the National Cancer Registry (NCR), which contains nationwide population-based data from Japan.
View Article and Find Full Text PDFHinyokika Kiyo
August 2025
The Department of Urology, Japanese Red Cross Wakayama Medical Center.
An 81-year-old man presented to our hospital with left lower back pain. The computed tomographic scan revealed a retroperitoneal tumor with a heterogeneous contrast effect. Magnetic resonance imaging scan showed that the tumor was suspected to have invaded the left diaphragm, iliopsoas muscle, and pancreas, and an unclear boundary between the tumor and left kidney.
View Article and Find Full Text PDFAnn Surg Oncol
September 2025
Division of Cancer Surgery, Peter MacCallum Cancer Centre, and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC, Australia.