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Case report: Study of a bulky melanoma mimicking sarcoma.
Int J Surg Case Rep
January 2025
Department of Head and Neck Surgery, Institut de Cancérologie de Lorraine, 6 avenue de Bourgogne, 54519 Vandœuvre-lès-Nancy, France; CRAN, CNRS, UMR 7039, Université de Lorraine, Vandœuvre-lès-Nancy, France; Faculté d'odontologie de Lorraine, Université de Lorraine, Vandœuvre-lès-Nancy, France.
Introduction: Large melanomas, while relatively uncommon, present significant diagnostic challenges due to their size and potential to mimic other malignancies, leading to delays in appropriate treatment. Initial misdiagnosis is a substantial concern, impacting patient outcomes. This case highlights the importance of immunohistochemistry in cancer diagnosis, and of appropriate therapeutic management, which here included excision surgery of the tumor mass.
View Article and Find Full Text PDFGiant Retroperitoneal Liposarcoma: A Rare Surgical Occurrence.
Cureus
December 2024
General Surgery, Dr. D Y Patil Medical College, Hospital and Research Centre, Dr. D Y Patil Vidyapeeth (Deemed to be University), Pune, IND.
Retroperitoneal liposarcoma is a rare malignancy that arises from adipocytes and can expand significantly before manifesting clinical symptoms. Instances of giant retroperitoneal liposarcoma, defined as tumors larger than 30 cm, are extremely rare, with fewer than 20 reported cases. This case report presents a 68-year-old patient with a significant abdominal mass, ultimately identified and treated as a well-differentiated retroperitoneal liposarcoma.
View Article and Find Full Text PDFNTRK amplification occurs frequently in pan-TRK immunopositive dedifferentiated liposarcomas.
Pathol Oncol Res
January 2025
Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary.
The () gene family is of rising importance as their fusions are oncogenic, and specific target drugs are available to inhibit the chimera proteins. Pan-TRK antibody, which shows the overexpression of the genes, is a useful tool to detect tumors with or without gene alterations, due to high negative predictive value. Though it is well known that pan-TRK immunopositivity is usually not connected to fusion, the role of other possible genetic alterations is under-researched.
View Article and Find Full Text PDFFrom Images to Insights: Multimodal Imaging for Cardiac Metastases in Myxoid Liposarcomas.
JACC Case Rep
December 2024
Minneapolis Heart Institute Foundation, Minneapolis, Minnesota, USA.
A Pericardial Mass in a Patient With Recurrent Liposarcoma.
JACC Case Rep
December 2024
Cardiology Hospital, XXI Century National Medical Center, Mexican Social Security Institute, Mexico City, Mexico.
Pericardial and cardiac masses in patients with established malignant neoplasms represent a diagnostic and therapeutic challenge. We present the case of a 66-year-old woman with history of myxoid liposarcoma of the left thigh who had an unexpected recurrence in the pericardium 12 years later.
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