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Clear cell papillary renal cell carcinoma (CCP-RCC) is a recently described, relatively uncommon variant of renal cell carcinoma (RCC) with a reported incidence of 4.1%. Thought to only arise in those with end stage renal disease, CCP-RCC is increasingly identified in those without renal impairment. CCP-RCCs have unique morphologic, genetic, and immunohistochemical features distinguishing them from both conventional clear cell renal cell carcinomas and papillary renal cell carcinomas. Immunohistochemically, these tumors are positive for CK7 and negative for CD10 and racemase. This is in contrast to conventional cell renal cell carcinomas (CK7 negative, CD10 positive) and papillary cell carcinomas (CK7, CD10, and racemase positive). These tumours appear to be indolent in nature, with no current documented cases of metastatic spread. We present the case of a 42-year-old female who presented with an incidental finding of a renal mass that on a core biopsy was reported as clear cell carcinoma, Fuhrman grade 1. She subsequently underwent a radical nephrectomy and further histological examination revealed the tumor to be a clear cell papillary renal cell carcinoma, Fuhrman grade 1.

The changing profile of paediatric cholecystectomy is a little recognised aspect of the 'obesity epidemic'. This has implications when considering the impact of childhood overweight and obesity, and for clinicians involved in the diagnosis and management of these children.

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HighlightsGallbladder perforation in gallstone spillage during laparoscopic cholecystectomy is common.Complications due to spilled gallstones occur in up to 5% of cases.Complications can be delayed for several years.Spilled gallstones should retrieved with all effort to avoid future morbidity.

There are several articles in the literature reporting laparoscopic surgery in patients with ventriculoperitoneal shunts (VPSs). Although the majority of these conclude that a pneumoperitoneum in these patients is safe, there are other reports indicating possible complications of the insufflation. This is the first known report of a robotic-assisted hysterectomy performed on a patient with a VPS and the management of the shunt during the procedure.

Examination of the larynx with a flexible endoscope has been a standard procedure for over 20 years. Although excellent images have been obtained there has not been a method for achieving any objective measurements and there are clearly both research and clinical applications for this. The reason for this is firstly because of the inherent distortion of the lens and secondly because of an absence of a reliable method of assessing the relative position of the endoscope within the larynx. This paper illustrates the theory of how these problems have been overcome and describes the equipment used in the clinical situation. The first clinical trial of the Vocim system is detailed, demonstrating an error of only 4%.

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