Adenocarcinomas of the urinary bladder are rare (1-5% of bladder tumours) and of notoriously poor prognosis. About one third of such tumours arise in urachal remnants related to the bladder. This is believed to be the first report of in situ change in the urachal remnant. The patient presented with mucusuria and computed tomography showed a typical urachal cyst. After excision the cyst was foun...

We report a case of ovarian torsion around a remnant of the urachus. Though it usually develops into the median umbilical ligament, abnormalities in urachal development can occur which can lead to remnants being present in the adult abdomen. This case describes a young female who had intermittent lower abdominal pain over a period of three weeks. During this period several ultrasound scans were...

Recent examples of patent litigation show the evidence of firms strategic patent use. Thus forecasting patent litigation becomes a greater priority. Patent citations have been prevalent in its usage in analyzing business environment as diverse patent indicators or a tool to predict patent litigation. However, most previous research has considered only direct patent citations. In order to overco...

The U.S patent system has been under attack for about a decade. One of the main justifications for changing the patent system has centered on the issue of patent quality. According to patent critics, patents are bad or low quality, justifying major changes to the patent examination and review system. I argue that patent quality is a proxy for attacking patent validity, which has a complex histo...

RATIONALE Pseudomyxoma peritonei is an unusual clinical condition, and the appendix and ovaries are reported as the primary sites. PATIENT CONCERNS A 44-year-old man who was reported a 3-month history of lower abdominal pain and distention, along with increased abdominal girth, was admitted with a palpable tender mass in the central lower abdomen. DIAGNOSIS Ultrasonography showed a large we...