Liposarcoma is among the most common adult histotypes of soft tissue sarcoma. It usually arises from the deep soft tissue of the extremities or the retroperitoneum. Despite the high content of fat in the orbit, both benign and malignant tumors of adipose tissue are extremely rare at this site; reports describing liposarcoma metastatic to the orbit are rare. Our report is a new case and the appropriate methods for diagnosis and treatment of this unusual metastatic site in this type of cancer are discussed.
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JACC Case Rep
January 2025
Department of Cardiovascular Magnetic Resonance, Hôpital Privé Jacques Cartier, Institut Cardiovasculaire Paris Sud, Massy, France.
Although relatively rare, cardiac metastases represent a significant clinical challenge because of their impact on cardiac function and overall patient prognosis. This case presents a rare and atypical presentation of a patient with ventricular arrhythmia revealing a metastatic cancer in the heart. A 59-year-old man with lung cancer was admitted for chest tightness and episodes of syncope.
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December 2024
General Surgery, King Fahad Specialist Hospital, Buraydah, SAU.
Papillary thyroid cancer (PTC) is the most frequent thyroid malignancy. Recently, the incidence has become widespread among both male and female individuals worldwide. In this article, we aim to report a 32-year-old Saudi female who presented with a painless lateral neck mass for more than seven months, and on excisional biopsy, was found to have features of PTC.
View Article and Find Full Text PDFCell Rep
January 2025
Department of Microbiology, Tumor and Cell Biology, Division of Virology and Immunology, Karolinska Institutet, 171 65 Solna, Sweden. Electronic address:
Protective antibodies against HIV-1 require unusually high levels of somatic mutations introduced in germinal centers (GCs). To achieve this, a sequential vaccination approach was proposed. Using HIV-1 antibody knockin mice with fate-mapping genes, we examined if antigen affinity affects the outcome of B cell recall responses.
View Article and Find Full Text PDFJ Gastrointest Oncol
December 2024
Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
Background: Classic Hodgkin lymphoma (CHL) is an extremely common non-acquired immunodeficiency syndrome (AIDS) defining malignancy and its incidence is rising. CHL is usually present in the lymph node and extranodal involvement is rare. Primary CHL of the gastrointestinal (GI) tract is exceedingly rare.
View Article and Find Full Text PDFRadiol Case Rep
March 2025
Department of Radiology, John H. Stroger, Jr. Hospital of Cook County, 1969 West Ogden Avenue, Chicago, Illinois 60612, USA.
Aneurysmal bone cysts (ABCs) are rare benign osteolytic tumors which occur most frequently within the first two decades of life and can lead to pathological fractures. They have characteristic imaging and histologic features and have historically been classified into two types: primary ABCs, which are true neoplasms linked to specific oncogenes, and secondary ABCs, which are preceded by other bone lesions. The occurrence of multiple concurrent primary ABCs is exceedingly rare; with only a few cases reported in the published literature.
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