Internal medicine
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We treated a 22-year-old woman suffering from Graves' disease and thymic hyperplasia. She was referred to our institution for a close investigation of thyrotoxicosis and thymic mass. ⋯ The thymic size began to decrease after 1 month and was further decreased after 5 months; it was normalized after 12 months. The correlation between TRAb titers and the thymic size (R2=0.99) suggested that the patient's autoimmunity might have contributed to the thymic hyperplasia.
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Amenamevir has been approved for the treatment of herpes zoster (HZ); however, its therapeutic efficacy against central nervous system (CNS) infection may be insufficient due to its low spinal fluid permeability. We herein report a case of aseptic meningitis in a 91-year-old Japanese man treated with amenamevir for HZ in the trigeminal nerve region. ⋯ Patients with CNS complications often have skin rashes near the trigeminal region. Thus, we should be alert for signs of CNS infection when administering amenamevir to patients with such rashes.
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Case Reports
A Case of Multiple Gastric Metastases after Distal Pancreatectomy for Pancreatic Cancer.
A 67-year-old woman underwent distal pancreatectomy for pancreatic cancer. Recurrence in the form of lung metastasis was discovered eight months after surgery, and chemotherapy was initiated. Two years after the surgery, she was admitted for the evaluation of melena. ⋯ The histopathology of biopsy specimens was consistent with ductal adenocarcinoma, which appeared similar to the resected pancreatic cancer. The patient was diagnosed with multiple gastric metastases of pancreatic cancer. We herein report a case of pancreatic cancer with multiple gastric metastases that occurred after surgery for pancreatic tail cancer.
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Case Reports
Collagenous Colitis Possibly Associated with Dipeptidyl Peptidase-4 Inhibitor: Report of a Case.
A 60-year-old man with type 2 diabetes mellitus treated with a dipeptidyl peptidase-4 (DPP-4) inhibitor was referred to our hospital because of his refractory watery diarrhea. Ileocolonoscopy revealed increased capillary growth, fine granular mucosa, and longitudinal mucosal tears mainly in the left side of the colon. ⋯ However, withdrawal of the DPP-4 inhibitor was successful even after the cessation of steroid therapy. We therefore considered his collagenous colitis to have been caused by the DPP-4 inhibitor.
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A 74-year-old man was admitted to our hospital to undergo radiofrequency catheter ablation (RFCA) of persistent atrial fibrillation (AF). We found that he had a history of heparin-induced thrombocytopenia (HIT). ⋯ Finally, the AF was successfully treated by RFCA without any complications. Given these findings, the direct thrombin inhibitor Argatroban® may be effective and feasible for anticoagulation therapy during RFCA procedures for AF in patients with HIT, such as the present case.