Internal medicine
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A 71-year-old woman developed nephrotic syndrome during 10-year follow-up for chronic lymphocytic leukemia. A renal biopsy sample analysis revealed IgG1-lambda-positive monoclonal immunotactoid glomerulopathy (mITG). ⋯ In particular, mITG, which presents immune deposits that exhibit light-chain restriction, is often associated with hematologic disorders. Most patients with mITG receive immunosuppressive therapy and/or chemotherapy; however, to our knowledge, there have been no reports of treatment with ibrutinib.
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The IL-5 inhibitor mepolizumab is beneficial in eosinophilic granulomatosis with polyangiitis (EGPA), and the inhibition of antineutrophil cytoplasmic antibody (ANCA) production has been suggested as a possible mechanism. We herein report a 78-year-old Japanese man with EGPA who received solo mepolizumab 300 mg twice for elevated ANCA levels, which led to subsequent GC discontinuation after achieving remission. The patient was able to be freed from the adverse events associated with long-term GC treatment, and the sole addition of mepolizumab also proved that mildly elevated ANCA could be converted to a negative result, thus leading to GC discontinuation.
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Review Case Reports
An Extremely Delayed Onset of Frey Syndrome: A Case Report and Literature Review.
We report the case of an 80-year-old man with Frey syndrome that developed 30 years postoperatively, which is an exceptionally long period before its occurrence. Sweating and flushing occurred on only the side of his face where the surgery was performed, and he had no other causative abnormalities. ⋯ Various surgical methods to prevent this syndrome have been explored, but complete prevention has not yet been achieved. These findings suggest that the underlying pathophysiology of Frey syndrome may be more complex than previously recognized.