Solitary osseous plasmacytomas affecting the vertebrae, the zygomatic arch, and ribs occur in dogs. In this report, we describe clinical and imaging features of a solitary osseous plasmacytoma affecting the skull with deposition of amyloid forming a mass-like lesion. To the authors' knowledge, no similar cases have been reported before.
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http://dx.doi.org/10.1002/ccr3.3160 | DOI Listing |
J Orthop Case Rep
January 2025
Department of Orthopedics, Stanley Medical College, Chennai, Tamil Nadu, India.
Introduction: Osteochondroma is a bony lesion arising from the surface of the bone. It com-prises a large percentage of all benign bone tumors. A unique feature of this tumor is the conti-nuity of cortical and medullary components between the normal bony tissue and aberrant tissue of osteochondroma.
View Article and Find Full Text PDFAnn Diagn Pathol
January 2025
Department of Pathology, Peking University People's Hospital, 100044, China.
Rosai-Dorfman disease (RDD) is a rare proliferative disorder of histiocytes, and primary solitary RDD of the bone is extremely rare. Some RDDs exhibit increased immunoglobulin (Ig)G4 positive (IgG4+) plasma cell infiltration and the histopathological features of IgG4-related disease (IgG4-RD). However, the association between RDD and IgG4-RD remains unclear.
View Article and Find Full Text PDFSkeletal Radiol
December 2024
Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, 40136, Bologna, Italy.
Bone lesions of the appendicular skeleton can be caused by primary benign or malignant tumors, metastases, osteomyelitis, or pseudotumors. Conventional radiography plays a crucial role in the initial assessment of osseous lesions and should not be underestimated even in this era of modern complex and advanced imaging technologies. Combined with patient age, clinical symptoms and biology, and lesion features including location, solitary versus multiplicity, density, margin (transitional zone evaluated with Lodwick-Madewell grading score), and, if present, the type of periosteal reaction and matrix mineralization can narrow the differential diagnosis or offer a likely diagnosis.
View Article and Find Full Text PDFJ Med Case Rep
December 2024
Department of General Medicine, INHS Asvini, Mumbai, India.
Background: Cysticercosis, a parasitic infection caused by the larval stages of the pork tapeworm, Taenia solium, predominantly affects cerebral and ocular tissues. The subcutaneous manifestation of this disease is a relatively uncommon clinical occurrence. Previously very few or no cases of cysticercosis presenting as subcutaneous solitary painful swelling have been reported in the literature.
View Article and Find Full Text PDFBMC Oral Health
December 2024
Nepalese Army Institute of Health Sciences, College of Medicine, Kathmandu, Nepal.
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