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Primary bronchial leiomyosarcoma: a diagnostic challenge.
BMC Pulm Med
January 2025
Department of Pathology, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, P.R. China.
Background: Pulmonary bronchial leiomyosarcoma is an extremely rare malignant tumour of the lung originating from the mesenchymal tissue. The retroperitoneal region is the most common site of leiomyosarcoma. It exhibits a high degree of malignancy and a poor prognosis, thereby highlighting the significance of early diagnosis of this disease.
View Article and Find Full Text PDFAssessing the Utility of DNA Methylation Profiling in the Classification of Myogenic Sarcomas of Bone.
Int J Surg Pathol
January 2025
Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
The diagnosis of primary leiomyosarcoma (LMS) of bone is generally established based on integrative findings of morphologic features, immunohistochemical staining, and clinical and radiological findings. There are no specific genetic alterations that can be used to confirm the diagnosis of LMS in challenging diagnoses of bone sarcomas with myogenic differentiation. In this study, we assessed the utility of a DNA methylation-based classifier as an ancillary diagnostic tool for subclassifying bone sarcomas with myogenic differentiation.
View Article and Find Full Text PDFPrimary renal leiomyosarcoma is a rare but highly aggressive tumor with a poor prognosis. Early detection and surgical excision provide the most effective initial treatment. However, vigilant postoperative surveillance is critical due to the elevated risk of tumor recurrence and metastasis, as seen in this case.
View Article and Find Full Text PDFOdds of Metastatic Disease at Diagnosis of Primary Bone and Soft-Tissue Sarcomas of the Extremity and Pelvis Based on Preferred Language and Socioeconomic Factors.
J Am Acad Orthop Surg
December 2024
From the Vagelos College of Physicians of Surgeons, Columbia University, New York, NY (Garcia), and Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY (Tyler).
Introduction: The odds of metastatic disease at diagnosis of bone (BS) and soft-tissue sarcomas (STS) of the extremities and pelvis may vary among patients due to several factors. There is limited research comparing the rates of metastatic disease at diagnosis in patients from different demographic and socioeconomic backgrounds.
Methods: Patients with a primary BS or STS of the extremity or pelvis were identified using International Classification of Diseases codes.
Primary Cardiac Leiomyosarcoma Extending From Right Atrium to Inferior Vena Cava Without Metastasis: A Case Report.
Cureus
November 2024
Cardiothoracic Surgery, Albany Medical Center, Albany, USA.
A 27-year-old female with a history of acute lymphoblastic leukemia in remission presented with chest pain, liver cirrhosis, and a thrombus in the hepatic vein on ultrasound. Further workup with computed tomography (CT) and magnetic resonance imaging (MRI) revealed a mass extending from the inferior vena cava to the right atrium, 3.4 x 3.
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