July 2026 in “World Journal of Advanced Research and Reviews” In this report, an 80-year-old male with elevated serum IgG4 presented with a lesion suggestive of IgG4-related ophthalmic disease, but lack of orbital imaging and biopsy precluded definitive diagnosis, highlighting the necessity of excluding similar conditions before long-term treatment.
17 citations
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April 2013 in “Experimental and Therapeutic Medicine” This study found that anti-Sjögren's syndrome type B antibodies are highly specific for diagnosing systemic lupus erythematosus and are associated with several clinical symptoms, including cheek erythema and alopecia.
January 2026 in “Journal of Cutaneous Immunology and Allergy” In this case report, a young Japanese man was diagnosed with scalp IgG4-related disease, which mimicked acne keloidalis nuchae but was identified by histopathology and elevated serum IgG4 levels as a systemic fibroinflammatory disorder, highlighting the importance of differential diagnosis in atypical scarring alopecia.
21 citations
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January 2021 in “Journal of infection and chemotherapy” This study observed that male sex, diabetes mellitus, and high maximum C-reactive protein levels during the acute phase of COVID-19 were linked to elevated anti-SARS-CoV-2 antibody levels.
16 citations
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May 1998 in “International Journal of Dermatology” This study found that elevated serum cortisol levels and other immunological changes are significantly involved in the active phases of psoriasis eruptions.