Giant cell myocarditis (GCM) and cardiac sarcoidosis share clinical and histologic features, but whether they represent separate processes or lie on an inflammatory cardiomyopathy spectrum is unclear. We present a case of cardiogenic shock thought to be secondary to biopsy-proven GCM with a subsequent post-transplant diagnosis of sarcoidosis through 18-fluorodeoxyglucose positron emission tomography and biopsy.
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http://dx.doi.org/10.1016/j.jaccas.2024.102738 | DOI Listing |
Front Ophthalmol (Lausanne)
December 2024
Department of Ophthalmology & Visual Sciences, School of Medicine, Washington University in St. Louis, St Louis, MO, United States.
Background: Giant cell arteritis (GCA) is the most common vasculitis in patients older than 50 years and is considered a "do not miss" diagnosis. However, it remains a diagnostic challenge given overlapping clinical syndromes such as non-arteritic anterior ischemic optic neuropathy (NAION) and poorly explored imaging findings.
Materials And Methods: In this retrospective study between the time period of January 2013 and December 2021, a total of 13 consecutive patients with a pathological diagnosis of GCA and 8 patients with clinical diagnosis of NAION were isolated.
ISME J
January 2025
Université Aix-Marseille, CNRS, CEA, UMR7265 Institut de Biosciences and Biotechnologies d'Aix-Marseille, CEA Cadarache, F-13108 Saint-Paul-lez-Durance, France.
Intracellular calcium carbonate formation has long been associated with a single genus of giant Gammaproteobacteria, Achromatium. However, this biomineralization has recently received increasing attention after being observed in photosynthetic Cyanobacteriota and in two families of magnetotactic bacteria affiliated with the Alphaproteobacteria. In the latter group, bacteria form not only intracellular amorphous calcium carbonates into large inclusions that are refringent under the light microscope, but also intracellular ferrimagnetic crystals into organelles called magnetosomes.
View Article and Find Full Text PDFArthritis Res Ther
January 2025
Rheumatology Department, Hospital Universitario Marqués de Valdecilla. IDIVAL Immunopathology group, Santander, Spain.
Objectives: To compare mortality rates between GCA patients and the general population in Spain, and to identify associated factors influencing mortality.
Methods: ARTESER, a multicenter registry by the Spanish Society of Rheumatology, includes GCA patients from June 2013 to March 2019. Demographic, clinical, imaging, histological and mortality data were collected retrospectively.
Int J Surg Pathol
January 2025
Department of orthopedic oncology, UZ Leuven, Leuven, Belgium.
Keratin positive giant cell rich tumor is a rare mesenchymal tumor first described in 2025. It can occur in both soft tissue and bone and predominantly affects young women. The tumor's biological behavior remains uncertain despite its low-grade classification.
View Article and Find Full Text PDFDiagnostics (Basel)
December 2024
Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Via Montpellier 1, 00133 Rome, Italy.
Cutaneous malignant melanoma (MM) is the most aggressive form of skin cancer, associated with high mortality and rising incidence rates in Europe despite prevention efforts. Nodular MM, the most aggressive subtype, often mimics other skin tumors, complicating diagnosis. We present the case of a 66-year-old woman with a large, ulcerated tumor beneath the left scapula, along with multiple nodular lesions on the left arm and chest.
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