Sarcoid-like reaction: Hodgkin's lymphoma is a hypothesis.

Autops Case Rep

São Paulo State University (UNESP), Botucatu School of Medicine, Department of Pathology. Botucatu, SP, Brazil.

Published: May 2020

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7707702PMC
http://dx.doi.org/10.4322/acr.2020.172DOI Listing

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Article Synopsis
  • Sarcoid-like reaction (SLR) is an immune response affecting lymph nodes and organs, which doesn't fulfill the criteria for systemic sarcoidosis, and can be associated with certain diseases like Chronic lymphocytic leukaemia (CLL) and Amyotrophic lateral sclerosis (ALS).
  • A 60-year-old male patient with treated CLL developed ALS symptoms following exposure to Venetoclax and Rituximab, presenting with rashes and weakness that progressed over a year.
  • Diagnosis complications included atypical signs and symptoms, leading to misdiagnosis of neurosarcoidosis and challenges in treatment, despite initial interventions with prednisolone and infliximab.
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While immune checkpoint inhibitors (ICIs) have revolutionized modern oncology, they are also associated with immune-related adverse events (irAEs). Previous histopathological descriptions of organ-related inflammatory changes do not consider systemic effects of ICIs, because of an absence of comprehensive autopsy studies. We performed a retrospective study on 42 whole-body autopsies of patients treated with ICIs from January 2011 to March 2024 to determine frequency, organ distribution and morphology of ICIs-associated inflammatory changes as well as their clinical relevance.

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: Anti PD1/PD-L1 agents, including pembrolizumab, have revolutionized the oncological treatment of different types of cancer, including non-small cell lung cancer. The most frequent complications associated with this type of treatment are mild and are located at the thyroid, pulmonary or hepatic level. Sarcoid like reaction and mesenteric panniculitis secondary to pembrolizumab treatment are two very rare adverse effects.

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The association between physical trauma and autoimmune articular and dermatological disorders.

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Objective: This review investigates the association between physical trauma and the onset and progression of various inflammatory diseases, including psoriatic arthritis (PsA), rheumatoid arthritis (RA), spondyloarthropathies (SpA), and Familial Mediterranean Fever (FMF). In addition, we will refer to the linkage between physical injury and skin manifestations in patients with psoriasis, sarcoidosis and systemic sclerosis. The aim is to summarize the current evidence and explore the potential mechanisms through which trauma may affect these conditions.

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