This paper presents a case of massive tongue swelling as a complication after an operation in the park bench position. A 43-year-old male who had undergone a resection of a mass in the petrous bone of the clivus showed massive tongue swelling after the surgery in the left park bench position. A direct compression of the bite block caused the swelling of tongue. Tongue swelling may become fatal ...

We present the case of a scuba diver who experienced acute ear pain during ascent from a dive. CT imaging was performed because of severe unrelenting headache. Blood and gas was identified within the epidural space of the middle fossa and over the petrous bone, as well as hemorrhage within the adjacent temporal lobe. To the best of our knowledge, this is the first case of CT-documented barotrau...

VHL patients develop tumors in brain, spinal cord, nerve roots, kidney, adrenal gland and extra-adrenal ganglia, pancreas, epididymis and broad ligament. VHL disease produces highly characteristic neuropathologic changes which are presented in this review. Highly vascularized tumors, hemangioblastomas, involve cerebellum and spinal cord of the majority of patients. A smaller number of patients ...

A male patient aged 71 with a history of urothelial bladder cancer which was treated one year previously with a transurethral resection (stage pT1G3) and BCG intravesical instillations. He presented at the surgery with a week-long history of right eye closure failure and twitching of the corner of his mouth towards the left. He also stated a 3-month occurrence of earache and temporal right pain...

BACKGROUND Cholesterol granuloma (CG) may involve the middle ear, the mastoid bone and the petrous apex. However, CG presenting as a mass obstructing the external ear canal (EEC) is relatively rare and it can be a diagnostic challenge. CASE PRESENTATION We report a case of a CG occupying the mastoid antrum and presenting as a mass into the EEC. Temporal bone computerized tomography showed a s...

Realistic haptic interaction in volume sculpting is a decisive prerequisite for successful simulation of bone surgery. We present a haptic rendering algorithm, based on a multi-point collision detection approach which provides realistic tool interactions. Both haptics and graphics are rendered at sub-voxel resolution, which leads to a high level of detail and enables the exploration of the mode...

The styloid process is a subtle of variable length that originates from the petrous part temporal bone . From originate three muscles: stylopharyngeus,the styloglossus, stylohyoideus and two ligaments :stylohyoid stylomandibular styled has as demonstrated for studies conducted in three-dimensional computed tomography or dental panoramic scanning,and dried skulls normal particularly important to...

A patient with neurological symptoms underwent CT scan that showed a sellar and suprasellar mass with bone erosions, involving especially the clivus and the right petrous apex. The first diagnostic hypothesis was chordoma in relation to the mass position. The MRI showed a solid well-enhancing mass; moreover another circumscribed lesion, with similar signal pattern, was found in the left mandibu...

Endolymphatic sac tumours (ELST) are aggressive papillary tumours of the temporal bone. The name was finally determined after the endolymphatic sac was determined as the site of their origin. They should be considered in patients with tumours eroding the petrous part of the temporal bone, extending to the cerebellopontine angle or other adjacent structures. These very rare tumours in the genera...