The current study presents a case of extraskeletal mesenchymal chondrosarcoma (ESMC) involving the vena cava that originally occurred in the retroperitoneum of a 61-year-old female. Following excision of the masses, pathological examination confirmed a diagnosis of primary ESMC. Mesenchymal chondrosarcomas are extremely rare in comparison to conventional chondrosarcomas and even more so when arising in an extraskeletal location. In the current report, the major characteristics of ESMC are discussed and a review of the current knowledge regarding this rare disease entity is presented.
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http://dx.doi.org/10.3892/ol.2014.2012 | DOI Listing |
J Int Med Res
January 2025
Department of Orbital Disease and Ocular Plastic Surgery, The Second Hospital of Jilin University, No. 4026 Yatai Street, Changchun, Jilin Province, China.
Extraskeletal orbital mesenchymal chondrosarcoma is an extremely rare and highly aggressive tumor. We herein report a case involving a woman in her early 20s diagnosed with orbital mesenchymal chondrosarcoma. This case report aims to increase recognition and understanding of this condition.
View Article and Find Full Text PDFVet Sci
December 2024
Department of Anatomic Pathology, Faculty of Veterinary Medicine, 400372 Cluj-Napoca, Romania.
Canine extraskeletal osteosarcomas are mesenchymal, osteoid producing tumors that can arise in soft tissues without initial involvement of the bones. An 8-year-old intact male Beagle dog presented with anorexia, abdominal pain, intermittent vomiting and melena. The patient had a history of recurrent ingestion of cotton based-toy fragments, but no prior surgical procedures involving the abdominal cavity.
View Article and Find Full Text PDFJ Comp Pathol
November 2024
Pathology Unit, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany.
Mouse lemurs (Microcebus spp) are small Madagascan strepsirrhine primates increasingly used as an animal model in ageing research. During a period of 10 years, neoplastic disease occurred in 47 grey (Microcebus murinus) and Goodman's (Microcebus lehilahtsara) mouse lemurs from a captive colony in Germany. Approximately half of these tumours appeared histologically as soft tissue tumours (STTs) with a significantly higher proportion of STTs in Goodman's mouse lemurs (87.
View Article and Find Full Text PDFHum Cell
October 2024
Department of Medical Oncology, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, China.
The methods available for treating metastatic Ewing sarcoma (ES) are inadequate; thus, innovative therapeutic approaches need to be developed. However, the lack of clinically relevant ES models has hindered the discovery of drugs for this disease. In this study, we established and characterized a patient-derived xenograft (PDX) cell line model, which was constructed using tumor tissue from a patient with metastatic extraskeletal ES.
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