Localize lesion of horner’s syndrome based on anhydrotic pattern

Objective: The current case series will discuss about two horner syndrome cases with a different pattern of anhydrotic.Methods:Male 54 years old came with punctured and burned pain sensation at left hand for the last one year which radiated along the shoulder toward the tip of left fingers. There were 10 kgs of weight loss. Neurological examination showed unequal pupil size 2.5mm/1.5mm, left ptosis, left hemifacial and left arm anhidrosis. Cervical MRI showed burstfracture involved CV T1 pedicle.Results: CaseIMSCT Thorax showed suspicious of neurogenic tumor which resulted in CV T1 destructionandcaseIIMSCT thorax showed left lung collapse due to pleural effusionConclusion: Anhidrotic pattern will be an essential factor in making a topical diagnosis for patients with Horner syndrome, which also can be a fundamental basis in choosing the next additional examinations required to find the etiology.Keywords:Anhidrotic pattern, Horner’s syndrome, Sympathetic nerve

Optimal Fiducial Configuration in Image-Guided Neurosurgery Using a Genetic Algorithm

Image-guided neurosurgery allows surgeons to navigate and localize lesion through the patient’s cranium with a 3D image guidance. The model of the head is reconstructed using preoperative computed tomography or magnetic resonance images and real and virtual spaces are aligned by means of fiducial markers placed on the patient. In this paper, a new method for the optimal placement of the fiducial markers in order to reduce misalignment is presented. Using routine diagnostic images, a customized 3D model of the patient’s cranium is reconstructed. A genetic algorithm calculates optimal positions of the marker in order to minimize the target registration error. The fiducial set is shown to the surgeons on the 3D model to help him/her in placement of them.

Optimal Fiducial Configuration in Image-Guided Neurosurgery Using a Genetic Algorithm

Image Guided Neurosurgery allows surgeons to navigate and localize lesion through the patient’s cranium with a 3D image guidance. The model of the head is reconstructed using pre-operative Computed Tomography (CT) or Magnetic Resonance (MR) images and real and virtual spaces are aligned by means of fiducial markers placed on the patient. In the paper a new method for the optimal placement of the fiducial markers in order to reduce misalignment is presented. Using routine diagnostic images a customized 3D model of the patient’s cranium is reconstructed. A genetic algorithm calculates optimal positions of the marker in order to minimize the Target Registration Error (TRE). The fiducial set is shown to the surgeons on the 3D model to help him/her in placement of them.