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Biomedical subjects

N Sathananthan

Publications and source records attributed to N Sathananthan.

6 recordsLinked to original sources
PubMed1999

Endoluminal stenting of obstructed colorectal tumours.

A series of patients were selected to evaluate the clinical efficacy of a new self expanding metallic endoprosthesis in the management of left-sided colonic obstruction. The aim was to reduce the morbidity and mortality associated with the surgical management of patients with distal colonic obstruction. Six patients with complete sigmoid colon obstruction were managed with the Wallstent Enteral Endoprosthesis [Schneider (USA) Inc.]. Four underwent subsequent elective colonic resection, while two were placed for palliation. Stent placement was successful in all cases with resulting bowel decompression and there were no procedural complications. All four patients with resectable tumours avoided emergency surgery. Stenting allowed time for medical improvement and staging investigations in this group. Two patients with advanced metastatic colonic carcinoma were successfully palliated. We found the Wallstent Enteral Endoprosthesis to be safe and effective in relieving obstruction in patients with resectable colonic tumours, permitting elective surgery and avoiding a temporary stoma. It can also be used to palliate those patients with advanced disease.

Aged↗
PubMed1998

Use of self-expanding metallic stents in the management of obstruction of the sigmoid colon.

OBJECTIVE: The purpose of our study was to evaluate the clinical efficacy of a new self-expanding metallic endoprosthesis in the management of distal colonic obstruction in seven patients. CONCLUSION. The Wallstent enteral endoprosthesis is safe and effective in relieving obstruction in patients with resectable colonic tumors. Once in place, the Wallstent permits planned elective surgery and avoids a temporary stoma. In addition, the Wallstent can palliate patients with obstruction due to advanced colonic neoplasms. The results of our preliminary study are promising and show a low incidence of complications.

Acute Disease↗
PubMed1993

The frequency and clinical significance of bone involvement in outer canthus dermoid cysts.

Periorbital dermoid cysts should be removed because they commonly leak their irritant contents into the surrounding tissues. The underlying bone may, however, be involved in patients with dermoid cysts at the outer canthus. Computed tomography studies of 70 patients (43 men and 27 women, aged 30 months to 63 years, mean 29 years) with proved dermoid cysts of this type were reviewed. The lesion was always unilateral; 34 were on the left. The bone of the lateral wall and superotemporal angle of the orbit showed the following abnormalities, often in combination: pressure erosion in 61 cases and an otherwise abnormal shape, probably developmental, in 55; the dermoid cyst entered a tunnel or canal through the lateral wall in 24; a blind pit or crater in 15; and a cleft in 20; many patients also showed abnormal bone texture. These findings are extremely important for planning adequate surgery, and indicate that bony involvement is much more frequent than previously appreciated.

Adolescent↗
PubMed1992

Haemangiopericytoma of the orbit.

Orbital haemangiopericytomas are ideally managed by complete surgical excision in the first instance. This is frequently not achieved, because difficulty in making the diagnosis preoperatively results in incisional biopsy and the highly vascular nature of the tumour makes complete excision difficult. A series of 12 patients with orbital haemangiopericytoma seen over a 23-year period is presented. The following combination of clinical and radiological features is suggestive of haemangiopericytoma. 1. Painless non-axial proptosis with downward displacement of the globe. 2. Intermittent upper lid swelling. 3. A soft, superiorly located mass with poorly defined borders, especially with a blue hue. 4. A superiorly located, rounded or elongated extraconal mass on CT, isodense with brain, with smooth, well-defined borders and moderate to marked enhancement with the injection of intravenous contrast medium. 5. Significant blush in all three phases of carotid angiography, without prominent arteriovenous shunting. Once haemangiopericytoma is suspected, complete surgical excision is recommended.

Adult↗