Bouveret syndrome is a rare form of gallstone ileus.The purpose of the present study was to present the unusual case of a female patient with complicated cholelithiasis manifested as a combination of acute pancreatitis and concomitant Bouveret syndrome.A 61-year-old female patient was admitted to the emergency department complaining of mid-epigastr

A vertical take-off and landing (VTOL) unmanned aerial vehicle (UAV) can crystal beaded candle holder meet both VTOL and horizontal flight performance, but how to achieve a safe and stable transition is a research focus of this type of aircraft.According to the overall configuration characteristics of VTOL UAV, aerodynamic models of lift fan, lift

The coccyx, the last segment of the spine, joins the sacrum at the base.It has three to five vertebrae, which are typically fused.In front of the sacrococcygeal junction is the ganglion impar, the only unpaired autonomic ganglion.The two sympathetic chains come to a close there.The impar ganglion is traversed by sympathetic nerves carrying pain fib

Myeloid sarcomas are tumor read more masses composed of aggregates of malignant myeloid precursors in extramedullary sites including the skin.We report a case of myeloid sarcoma in a patient who presented with an ear lobe mass and facial nerve paralysis.Expression of CD56 by the malignant cells led to an initial misdiagnosis as Merkel cell tumor.Co

The conservation of biodiversity is a recent concept which is mainly here based on European directives and international conventions which do not consider the dynamic nature of ecological systems.Up to now, the aim was to restore a historical situation judged more satisfactory for a species, a habitat or an ecosystem.The ongoing climate change impo