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J W Ng

Publications and source records attributed to J W Ng.

At least 19 recordsLinked to original sources
PubMed2000

Author's reply

Explore the source record for details and available documents.

Journal Article↗
PubMed1998

The technique of endoscopic exploration for parathyroid adenoma of the neck.

BACKGROUND: The technical details of endoscopic exploration of parathyroid adenoma are described here, thereby drawing attention to the enormous potential of this new modality of minimal-access surgery. METHODS: Four patients with a parathyroid adenoma that was clearly demonstrated by pre-operative localization imaging techniques were subject to endoscopic exploration using one 11 mm and two 5 mm ports: a technique heretofore undescribed. RESULTS: An adenoma was successfully localized endoscopically in each case and was removed. The postoperative outcome proved most encouraging: no analgesics were required, the hypercalcaemia rapidly corrected and the patients were pleased with the smallness of scars. CONCLUSIONS: The described endoscopic approach is a viable and promising alternative to open surgery for parathyroid adenoma; further study would be fruitful.

Adenoma↗
PubMed1998

Laparoscopic vagotomy and open pyloroplasty for bleeding duodenal ulcer not controlled endoscopically.

The majority of our patients with bleeding duodenal ulcer responded to endoscopic injection treatment. However, in six patients admitted during a 2 1/2-year period, we were forced to do emergency surgery to control the hemorrhage (three with failed injection and persisting exsanguination from a brisk bleeder and three rebled soon after apparent initial hemostasis). We performed an innovative procedure: pyloroplasty was done after oversewing the arterial bleeder in the duodenum through a small transverse wound in the right upper quadrant. The wound was then closed around a 10-mm trocar sheath. With the addition of three more ports, a truncal vagotomy was completed laparoscopically. Recovery was rapid and uneventful in all six cases; postoperative pain was minimal. The mean operative time was 85 minutes. We believe that, in a selected group of patients, laparoscopic vagotomy and open pyloroplasty through an essentially extended port wound (as described in detail) is an expedient and effective procedure in the emergency setting.

Adult↗
PubMed1997

Laparoscopic orchidopexy for persistent müllerian duct syndrome.

Persistent müllerian duct syndrome, characterized by the presence of a uterus and fallopian tubes in a phenotypic male, frequently presents as undescended testis, either intra-abdominal or within a hernial sac. We report the first two postpubertal cases successfully managed by a one-stage laparoscopic-assisted orchidopexy. The first had one and the second had two intra-abdominal testes. All testes were brought to the scrotum after dividing the spermatic vessels while the collateral circulation was carefully preserved. The two cardinal therapeutic goals, intrascrotal placement of well-vascularized testes and normal hormonal function, were achieved. Laparoscopic surgical techniques for this condition are discussed.

Adult↗
PubMed1996

Isolated duplications of the cystic duct: case report and implications in laparoscopic cholecystectomy.

During laparoscopic cholecystectomy on an elderly patient, we were alarmed to find another "cystic" duct after division of the cystic duct, and the operation was converted to open laparotomy. This is the first documented case in the English literature of duplication of a cystic duct with two ducts joining the common hepatic duct at the same level. This and other anatomic variations are important considerations in the safe performance of laparoscopic cholecystectomy.

Cholangiopancreatography, Endoscopic Retrograde↗