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Soft tissue sarcomas (STS) are very rare tumors, accounting for <1% of all malignancies. Leiomyosarcoma (LMS), accounts for 10-20% of STS. Gastric metastasis of LMS is extremely rare, and only a few cases have been reported. In the present report, two clinical cases of LMS with gastric metastasis. In the present cases, the metastases presented as a solitary lesion and was located in the upper body anterior wall in case 1, and body-greater curvature in case 2. It is debatable whether to perform any local treatment for gastric metastasis due to its poor prognosis. However, the progression of metastatic cancer in the stomach can lead to gastric bleeding, abdominal pain, and dysphagia, which may further shorten survival and decrease a patient's quality of life. Therefore, metastasectomy was performed in the present cases. This should be considered if digestive tract symptoms occur during the treatment of LMS.
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http://dx.doi.org/10.3892/br.2023.1657 | DOI Listing |
Cancer Rep (Hoboken)
September 2025
Division of Gastroenterology, Department of Internal Medicine, Asahikawa Medical University, Asahikawa, Japan.
Background: Cancer of unknown primary (CUP) is a challenging malignancy characterized by metastatic tumors with an unidentified primary site, even after extensive pathological and radiographic evaluation. Recent advancements in gene expression profiling and comprehensive genomic profiling (CGP) using next-generation sequencing (NGS) have enabled the identification of potential tissue origins, thereby facilitating personalized treatment strategies. Although most cases of CUP present as adenocarcinomas or poorly differentiated tumors, the treatment remains largely empirical, with limited success from molecularly tailored therapies.
View Article and Find Full Text PDFSignal Transduct Target Ther
September 2025
State Key Lab of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, 100021, Beijing, China.
J Biol Chem
September 2025
Department of Pathology, the First Affiliated Hospital of Henan University of Science & Technology, Luoyang, Henan province, China, 471003. Electronic address:
Protein phosphorylation modification plays an important role in regulating protein activity. Astrocyte elevated gene-1 (AEG-1), an adaptor protein, promotes the progression of various types of cancers by protein-protein interactions. We previously demonstrated that AEG-1 promoted the growth and metastasis of gastric cancer by upregulating the expression of oncogenic eukaryotic translation initiation factor 4E (eIF4E).
View Article and Find Full Text PDFMol Pharmacol
September 2025
State Key Laboratory of Bioactive Molecules and Druggability Assessment, Institute of Genomic Medicine, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Gu
Gastric cancer (GC) is a leading cause of cancer-related deaths globally, with metastasis critically impacting prognosis. Splicing factors are key regulators of tumorigenesis, particularly in metastasis. In this exploratory study, we investigated the role and mechanism of heterogeneous nuclear ribonucleoprotein A/B (HNRNPAB) in GC cell invasion and migration.
View Article and Find Full Text PDFJ Mol Histol
September 2025
Department of General Surgery, Affiliated Hospital and Medical School of Nantong University, Nantong, 226001, China.
Pseudoautosomal regions (PARs), located at the ends of sex chromosomes, harbor genes that may play a role in tumor pathology by regulating cell proliferation and the immune microenvironment. Gastric cancer (GC) is a prevalent and molecularly heterogeneous malignancy of the digestive system. However, studies on the role of PARs-related genes in GC are limited.
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