Internal medicine
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We herein report a rare case of unresectable liposarcoma that showed a complete response to eribulin. Furthermore, a low expression of phosphorylated AKT (p-AKT) on an immunohistological evaluation was observed. This result is consistent with our previous preclinical study that demonstrated the significance of p-AKT signaling for eribulin resistance in multiple subtypes of soft tissue sarcoma (STS) cells. This case highlights the potential benefits of eribulin as well as the mechanism underlying resistance to eribulin in patients with unresectable or metastatic STS, especially liposarcoma.
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Review Case Reports
Swallowing-induced Paroxysmal Atrial Tachycardia Causes Weight Loss and Fainting During Mealtime: A Case Report and Literature Review.
Swallow or deglutition syncope is an unusual disorder. We herein report an 80-year-old man with paroxysmal atrial tachycardia induced by swallowing, causing syncope. Initially, we suspected a digestive disorder and found no significant findings. ⋯ The patient was treated with antiarrhythmic drugs and catheter ablation. The mechanism underlying swallowing-induced tachycardia presumably involves mechanical stimulation of the esophagus and autonomic nervous system effects. However, few cases have been reported, and the exact mechanism remains unclear.