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Biomedical subjects

J Seland

Publications and source records attributed to J Seland.

3 recordsLinked to original sources
PubMed2000

[Orbital tumors].

BACKGROUND: Orbital tumours are relatively uncommon, and few series of patients with such tumours have been reported from Scandinavia. Here we present the experience of a Norwegian referral centre. MATERIAL AND METHODS: We have retrospectively evaluated the records of 278 patients with orbital tumours hospitalized at the Department of Ophthalmology, Haukeland University Hospital from 1961 to 1999. RESULTS: In 177 patients, a benign tumour was present, while 96 patients suffered from malignant disease. In five cases, the malignant potential of the tumour could not be assessed. A total of 71 different histological entities were observed. Surgical treatment performed at our department was in 22 patients exenteration, in 87 lateral orbitotomy, in 47 anterior orbitotomy and in 41 biopsy through an anterior approach. INTERPRETATION: This series illustrates the wide panorama of space-occupying lesions that may be present in the orbit. Since the lesions are rare and management in many cases complex, the treatment should be centralized to an eye department with a defined interest in orbital disease.

Adolescent↗
PubMed1999

[Surgical treatment of endocrine ophthalmopathy].

Thyroid ophthalmopathy is an inflammatory disorder of the extraocular muscles, orbital fat and orbital connective tissue that is most commonly seen in patients with Graves' hyperthyroidism. Inflammation is accompanied by deposition of extracellular matrix components, in particular glycosaminoglycans. The increase in the volume of the orbital contents may lead to periorbital swelling, extraocular muscle dysfunction, disfiguring proptosis, exposure keratitis, increased intraocular pressure and optic nerve compression. In many cases, surgical treatment is necessary for the rehabilitation of patients. In this report, we present a series of patients to illustrate relevant procedures and the results of surgical treatment in patients with thyroid ophthalmopathy. The records of all patients (66) with thyroid ophthalmopathy hospitalized in the Department of Ophthalmology, Haukeland University Hospital 1 April 1994-31 March 1998 were retrospectively evaluated. Orbital decompressions were performed in 43 patients (in 17 for compressive optic neuropathy), squint surgery in 13 patients, correction of eyelid retraction in 20 patients, and removal of excessive skin and fat from the eyelids in 11 patients. Average reduction of proptosis was 4 mm after lateral wall resection, and 6 mm after combined medial and lateral wall resection. Visual acuity improved in patients with compressive optic neuropathy to 6/6 or better in 18/20 eyes (postoperative data were not available for all patients), while that of the remaining two eyes was 6/9 and 6/24, respectively. Squint surgery was successful (no diplopia in primary or reading position) in eight patients after one procedure, and in four after two procedures. One patient has been scheduled for a third procedure due to a severe esotropia. In patients with thyroid ophthalmopathy, suboptimal treatment of the thyroid disorder may worsen the ophthalmopathy. 16 patients had their medication adjusted, ten were referred for thyroid surgery, and one for treatment with radioiodine. Treatment of patients with thyroid ophthalmopathy is a therapeutic challenge requiring close collaboration between different specialists. In severe cases, several surgical procedures may be needed. The complication rate is low, however, and for most patients the functional as well as the aesthetic situation is greatly improved.

Adolescent↗