Rhabdomyosarcoma (RMS) is a soft tissue sarcoma that histologically resembles embryonic skeletal muscle. It can occur anywhere in the body, including tissues devoid of skeletal muscles. RMS is a common malignancy in children, and it accounts for ˃50% of all soft tissue sarcomas in children. Embryonal rhabdomyosarcoma (ERMS) mostly affects children younger than 10 years of age. The head and neck area, the genitourinary tract and the retroperitoneum are described as the preferred anatomic sites for ERMS development. However, the mesentery location is extremely rare. We report a rare case of an ERMS occurring in the mesentery of a 17-year-old male.
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http://dx.doi.org/10.1093/jscr/rjad451 | DOI Listing |
J Clin Ultrasound
January 2025
Department of Obstetrics, Paulista School of Medicine, Federal University of São Paulo (EPM-UNIFESP), São Paulo, SP, Brazil.
Cancer in pregnancy has an incidence of approximately 1:1000, and cases of sarcoma in pregnancy are rare, with only a few described in the literature. This case report describes a 32-year-old pregnant woman who noticed an approximately 3.0 cm nodule on her left flank in the second trimester of pregnancy.
View Article and Find Full Text PDFSci Rep
January 2025
Institute of Pharmacology, Medical University of Vienna, Vienna, Austria.
Pleomorphic rhabdomyosarcoma (PRMS) is an extremely rare soft tissue tumor with dismal prognosis that has a higher incidence in adults compared to the other RMS subtypes. The unique PRMS cell line BH1522 was established from a pleural effusion of a lung metastasis and the characteristics of this cell line were compared to two embryonal type RMS (ERMS) cell lines. The affected patient had been treated by surgery, several cycles of chemotherapy and thoracoscopy of the lung metastases.
View Article and Find Full Text PDFOrbit
January 2025
Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami, Miami, Florida, USA.
Introduction: Rhabdomyosarcoma (RMS) is a common pediatric orbital malignancy but is extremely rare in adults. This study assesses clinical and radiographic features, management, and outcomes in adult orbital RMS patients with comparison to pediatric patients.
Methods: A retrospective chart review from 2000-2023 at Bascom Palmer Eye Institute was conducted evaluating patients aged 0 to 100-years-old with biopsy-confirmed orbital RMS.
Clin Nucl Med
December 2024
From the Department of Nuclear Medicine (PET-CT Center), National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
A 21-year-old man with a 2-week history of abdominal pain and urinary hesitancy was admitted to our hospital. Sarcoma was suspected based on his PSA level, age, and MRI findings. He underwent 18F-FDG and Al18F-FAPI-74 PET/CT scans.
View Article and Find Full Text PDFCancer Med
January 2025
Department for Children and Adolescents, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany.
Background: The histologic classification of rhabdomyosarcoma (RMS) as alveolar (aRMS) or embryonal (eRMS) is of prognostic importance, with the aRMS being associated with a worse outcome. Specific gene fusions (PAX3/7::FOXO1) found in the majority of aRMS have been recognized as markers associated with poor prognosis and are included in current risk stratification instead of histologic subtypes in localized disease. In metastatic disease, the independent prognostic significance of fusion status has not been definitively established.
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