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At least 253 records · Page 14Linked to original sources
PubMed2003

Arachnoid cyst of the optic nerve: report of two cases and review of the literature.

PURPOSE: To describe two patients with arachnoid cysts of the optic nerve mimicking optic nerve/orbital neoplasms. METHODS: The histories, ophthalmic examinations, and pathologic findings of two patients with arachnoid cysts of the optic nerves were reviewed and compared with previously reported cases. RESULTS: One patient had progressive proptosis and the other had decreased vision with visual field changes. Pathologic examination of optic nerve sheath biopsies showed redundant proliferations of meningothelial cells with associated thickened dura. CONCLUSIONS: Arachnoid cysts of the optic nerve are benign, slowly progressive conditions that may result in proptosis and visual field changes. The clinicopathologic features of arachnoid cyst should be differentiated from optic nerve sheath meningioma and other conditions.

Adult↗
PubMed2004

Update on hemangiomas and vascular malformations.

PURPOSE OF REVIEW: Our knowledge base in the area of vascular anomalies is growing rapidly. With greater understanding of classification and diagnosis, as well as with the numerous areas of research bringing further awareness on the complexity of these lesions, we are improving our ability to treat them. We will attempt in this article to summarize the developments in the field of vascular anomalies over the last year. RECENT FINDINGS: Emphasis on correct classification is still a high priority in the literature and yet there remains a great deal of misinformation. Many new developments in the basic science of these lesions are allowing better understanding of why these lesions occur while improving our management in these patients. Advances in laser surgery as well as sclerotherapy techniques have improved our ability to treat extensive lesions and also improve patients' quality of life. SUMMARY: Many new and exciting areas of discovery occur almost daily in the field of vascular anomalies. Due to the breadth of this topic, it is certain that not all articles can be reviewed however the author has tried to present the most recent and clinically relevant breakthroughs in the field.

Arteriovenous Malformations↗
PubMed1949

Orbital tumours.

Explore the source record for details and available documents.

Humans↗
PubMed1993

Orbitozygomatic infratemporal approach to lateral skull base tumors.

An orbitozygomatic infratemporal approach for the removal of large neoplasms involving the lateral skull base is described. This approach, involves a unilateral frontotemporal incision extended inferiorly to the neck, a lateral facial flap reflected anteriorly. Transection of the zygoma is followed by its reflection inferolaterally with the temporalis muscle. This exposure provides excellent visualization of both the intradural and extradural aspects of the anterior portion of the cavernous sinus, allowing an aggressive resection of neoplasms in this region. Experience with this procedure in the management of 15 patients is reported here. There was one postoperative death due to pneumonia and septicemia. The morbidities included wound infection, meningitis, CSF leakage and cranial nerve palsy. All the surviving patients, are living independently and have returned to their previous occupations.

Adolescent↗
PubMed1979

Tumorous conditions of the fibula, supraorbital area and mandible.

Our patient's initial biopsy of the right fibula was diagnosed as Ewing's sarcoma and surgical amputation was suggested as the treatment of choice. After he refused, he was treated with chemotherapy and radiotherapy. The patient refused to continue this type of therapy after a 6 weeks' regimen. The supraorbital swelling occurred 3 years later and the biopsy of it also revealed Ewing's sarcoma, as did the mandibular specimen. The patient, again, refused any further treatment.

Adult↗
PubMed2005

The aetiology of optic atrophy in Nigerians--a general hospital clinic study.

This study aimed at reviewing cases presenting with optic atrophy at the eye clinic of the University College Hospital, Ibadan, Nigeria with a view to identifying some of the diagnostic problems. The study was a retrospective review of 100 cases selected by systematic random sampling method of a total of 6160 patients presenting with optic atrophy to the eye clinic over 6 years (April 1990 to March 1996). Diagnosis was based on ophthalmoscopic appearance of optic disc corroborated with visual field studies. The mean age of the patients was 40.8 years. The male to female ratio was 2:1 bilateral. Eighty percentages were bilateral, whereas 20% were unilateral. Only in 38% of cases could the cause of the optic atrophy be identified. The most frequently diagnosed were cranio-orbital neoplasms (8%), those referable to trauma (8%), hydrocephalus (7%), retinitis pigmentosa (3%) and post infectious (2%). Other causes include toxins, congenital, seizure disorders, birth asphyxia and papilloedema. In 62% of cases, the aetiology cannot be satisfactorily elicited. Some suggestions have been made to overcome some of these diagnostic problems.

Adult↗