HighlightsA very rare case of paraganglioma of filum terminale is described.Clinical and radiological features of spinal paraganglioma are listed.Surgical management of paraganglioma of filum terminale is discussed.

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During craniotomy, hemostatic materials such as oxidized cellulose and cotton pads, commonly used to control bleeding, may cause a granulomatous reaction that may produce spaceoccupying mass lesions termed textiloma (or gossypiboma). We present a 46-year-old female who underwent a right frontotemporal craniotomy and surgical removal of intraparenchymal cerebral hemorrhage, and who developed a textiloma during the postoperative period causing seizures. Granulomatous reactions due to hemostatic agents have been reported experimentally, as well as after cranial and spinal operations. We emphasize that although it is rare, an adverse reaction such as a postoperative textiloma due to hemostatic material and subsequent granuloma formation can result in a false image of rebleeding, tumor recurrence, radiation necrosis, or postoperative abscess, depending on the particular clinical history of each patient.

As part of the ultra-deepwater field development of the Santos Basin, 300km offshore the Brazilian coast, the Sapinhoá and Lula NE pioneering riser system was successfully installed by Subsea 7, acting as a contractor for Petrobras and partners (BG E&P Brasil and Repsol Sinopec Brasil, in Sapinhoá Field, BG E&P Brasil and Petrogal Brasil, in Lula NE Field). The full Engineering, Procurement, Installation and Commissioning (EPIC) project scope comprises the design, fabrication and installation of 4 buoys of 2800 tons moored 250m subsurface, of which 2 connect to the Floating Production, Storage and Offloading unit (FPSO) Cidade de São Paulo and 2 to the FPSO Cidade de Paraty; 27 Steel Catenary Risers (SCRs) with 3.9km each, 27 Pipeline End Terminations (PLETs) and anchorage suction piles at 2140m water depth.This Buoy Supporting Risers (BSR) system concept presents several advantages to overcome the challenges of installing SCRs on ultra-deep waters, such as, allowing decoupling between installation of risers and the production unit, reducing payload on the unit, reduced risks associated with clashes and very small dynamics transmitted from production unit to the risers, resulting in significant less fatigue issues.Due to sour and CO 2 service requirements for the production and water injection risers, it was decided to use mechanically lined pipe for the entire line, with the exception of the top and touch down sections, where metallurgical clad (metclad) pipe was used. Consequently, a significant amount of qualification, testing and inspection associated to welding lined and metclad pipes was required.In order to install Corrosion Resistant Alloys (CRA) lined pipes with a Reel-Lay vessel, a novel methodology for water pressurized spooling and pipelay was developed to mitigate the risk of liner damage during installation. Full-scale pressurized spooling trials were done ahead of the pipelay campaign for testing and validation of this methodology. In addition, analyses were performed to evaluate the BSR system behaviour during SCRs installation and to minimize buoy de-ballasting interventions.This paper describes the faced challenges and solutions engineered in the steel catenary risers' fabrication and installation scopes.

Dermoid cysts are rare benign lesion of ectodermally origin containing dermal elements, including sebaceous glands, sweat glands, and hair follicles and rupture of dermoid cyst whit dissemination of intracystic content is very rare. We present a case of a 43-year-old female presented with head injury after a sudden loss of consciousness. Radiological examination showed an ovalar cystic lesion in left frontal region with hydrocephalus. A left frontal craniotomy for removal of the tumor was performed and histological examination revealed a dermoid cyst. We discuss the clinical and radiological feature and treatment of this case.