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World J Clin Oncol
January 2025
Department of Hematology, The First Affiliated Hospital of Jishou University, Jishou 416000, Hunan Province, China.
Background: Extramedullary plasmacytoma (EMP) represents one of the rarer forms of plasma cell malignancies, capable of impacting a variety of tissues and organs throughout the body. The majority of EMP cases are predominantly found in the head and neck region, especially within the laryngopharynx, as well as in the gastrointestinal tract. While there have been documented instances of oropharyngeal involvement in EMP cases in the academic literature, it is important to note that EMP specifically affecting the uvula is exceedingly uncommon.
View Article and Find Full Text PDFCureus
December 2024
Department of Medical Imaging, University of Arizona College of Medicine - Tucson, Tucson, USA.
Plasmacytomas are rare monoclonal neoplastic plasma cell proliferations in soft tissue or bone, with clival plasmacytomas being extremely rare and occasionally presenting with light chain deposition disease (LCDD). While imaging findings for clival plasmacytomas have shown variable T2 signal characteristics, complete T2 signal loss has not been previously reported. We present a case of a 61-year-old female found to have a 1.
View Article and Find Full Text PDFJ Am Vet Med Assoc
January 2025
7Royal Veterinary College, University of London, Hatfield, UK.
Objective: The aim of this study was to report the outcome and prognosis of canine patients treated medically or surgically for rectal plasmacytomas and to identify factors associated with recurrence, mortality, or progression to multiple myeloma.
Methods: The databases of 7 referral hospitals were reviewed. The Kaplan-Meier method and Cox proportional hazards analysis were used to determine the association of a range of variables with recurrence and progression-free interval for the surgically treated patients.
Extramedullary plasmacytoma is rare, it can appear alone or associated with multiple myeloma, representing an extramedullary progression of the disease. We present the case of a 62-year-old woman diagnosed with multiple myeloma who, being in complete remission began to experience abdominal pain and nausea. A rare cause of intestinal subocclusion and upper gastrointestinal bleeding.
View Article and Find Full Text PDFCureus
December 2024
Dermatology, Marshall University Joan C. Edwards School of Medicine, Huntington, USA.
Cutaneous plasmacytosis (CP) is a rare condition characterized by benign proliferation of mature plasma cells in the skin. It presents as reddish-brown macules, papules, or plaques, typically located on the neck, face, and trunk. The etiology remains unknown, though it is believed to be reactive rather than malignant.
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