[Clinical features and the process of renal stone formation in elderly patients with calculous pyelonephritis].

Aim: Calculous pyelonephritis is a severe infectious disease that predominantly affects the elderly population. However, there are few detailed reports on the stone formation process in calculous pyelonephritis. The purpose of this study was to investigate the process of calculous pyelonephritis formation and to identify markers of its onset.

A case of refractory disseminated subcutaneous abscess with intrahousehold transmission by a USA300-LV-like strain of PVL-positive community-acquired MRSA clone.

A 44-year-old man with hypertension and dyslipidemia presented with pain in the buttocks. The patient was diagnosed with perianal ischiorectal fossa abscesses and cellulitis. He was subsequently diagnosed with a perineal subcutaneous abscess after a week, a right lower leg impetigo after a month, right periorchitis, a scrotal abscess, and Fournier's gangrene after two months.