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OBJECT The authors quantitatively assessed the working areas and angles of attack associated with retrosigmoid (RS), combined petrosal (CP), and transcochlear (TC) craniotomies. METHODS Four silicone-injected cadaveric heads were bilaterally dissected using three approaches progressing from the least to the most extensive. Working areas were determined(More)
OBJECTIVE We explored relevant regional microanatomy as it relates to the challenging anterior interforniceal (AIF) approach for removing hypothalamic hamartomas. METHODS Five silicone-injected cadaveric heads were dissected by use of frameless stereotactic navigation to reveal microanatomy and extent of exposure through the transcallosal AIF approach.(More)
OBJECTIVE To compare the angles of approach and area of exposure to the anterior communicating artery (AComA) complex associated with pterional (PT), orbitopterional (OPT), and orbitozygomatic (OZ) craniotomies before and after gyrus rectus resection. METHODS PT, OPT, and OZ craniotomies were performed on both sides of four heads, and the angles of(More)
OBJECTIVE Surgical approaches to ambient cistern lesions are complex. We investigated the microanatomy of the transtemporal-transchoroidal fissure approach to the ambient cistern with emphasis on exposure of the posterior cerebral artery. METHODS Dissections were performed bilaterally in five silicone-injected cadaveric heads. Critical anatomic distances,(More)
Pituitary metastasis is an uncommon first presentation of systemic malignancy. The most common presenting symptom of pituitary metastasis is diabetes insipidus reflecting involvement of the stalk and/or posterior pituitary. We herein present a unique case of the coexistence of both a functioning pituitary adenoma (prolactinoma) and pituitary metastasis of(More)
A 4-month-old infant came to the department of Ophthalmology, King Chulalongkorn Memorial Hospital with right eye proptosis, strabismus, and no vision. She was diagnosed as optic nerve and chiasm glioma. The subtotal removal of the tumor was performed and followed by chemotherapy, with a satisfactory result. Because of the large size of the tumor and the(More)
OBJECTIVE The authors report the clinical, radiological, and surgicalfindings ofpatients with craniocervical junction tumors surgically treated in the institution over the last 8 years. MATERIAL AND METHOD A retrospective study was performed. Clinical, radiological, and operative data were evaluated, and follow-up information was obtained from outpatient(More)
Deep hypothermic circulatory arrest may prove advantageous during surgery of some technically difficult brain lesions. This technique was first applied in one patient with a large intracavernous aneurysm which had failed standard neurosurgical techniques. For this technique to be successful the cooperation of neurosurgeons, cardiovascular surgeons,(More)