Diagnosis: Malignant neoplasm of unspecified part of right bronchus or lung Disorder of brain, unspecified Encounter for other preprocedural examinationClinical question: right side brain mass for resection, MRI STEALTH for surgery guidance.Signs and Symptoms: MRI STEALTH preop for surgery , brain tumorComments: STEALTH MRI preop image guidance during surgery. | The CSF spaces are appropriate for the patient's stated age with no midline shift. There is redemonstration of a 15 x 22 mm axial dimension mass centered in the right superior frontal gyrus which is associated with susceptibility effect on the prior MR. It is associated with vasogenic edema which is hyperintense on T2-weighted imaging. There is mild regression of the amount of vasogenic edema on the current exam versus the prior exam there is less midline shift on the current exam compared to the prior exam.Normal vascular flow voids are present in the distal carotid and vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries as well as the internal cerebral veins and superior sagittal sinus.The visualized portions of the paranasal sinuses demonstrate a minor opacity. The visualized portions of the mastoid air cells are clear. The visualized portions of the orbits are intact.
1.Since the previous examination an enhancing mass in the right superior frontal gyrus remains stable in size, however, the degree of vasogenic edema has regressed and there is less midline shift on the current exam when compared to the prior. Please note that the exam is limited and was performed for the purpose of stereotactic guidance during surgery.