Publications by authors named "Man Hon Tang"

Background: Transoral robotic thyroidectomy (TORT) has traditionally used a four-port technique. The original three-port approach, which eliminates the axillary port, makes TORT truly scarless. This study compares outcomes between these techniques.

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Introduction: Postoperative outcomes of patients with normotensive pheochromocytomas are poorly documented. We aimed to evaluate the impact of preoperative hypertension on post-operative outcomes following adrenalectomy for pheochromocytoma.

Methods: An international retrospective study of patients undergoing adrenalectomy for pheochromocytoma in 46 centers between 2012-2022 was performed.

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Objectives: Preservation of the recurrent laryngeal nerve (RLN) and external branch of the superior laryngeal nerve (EBSLN) is essential to maintain voice function after thyroidectomy. Intraoperative neuromonitoring (IONM) assists in nerve preservation. This study compares three IONM modalities, endotracheal surface electrode (ETSE), thyroid cartilage needle electrodes (TCNE), and cricothyroid muscle needle electrode (CTNE), in their monitoring of laryngeal muscle electromyographic (EMG) amplitude.

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Article Synopsis
  • This study assesses the outcomes of adrenalectomy for pheochromocytoma in obese versus nonobese patients, using data from 46 centers from 2012 to 2022.
  • It finds that while obesity does not significantly increase the rate of complications or comprehensive complication index (CCI), it does lead to a longer hospital stay for patients.
  • Furthermore, minimally invasive surgical techniques, like laparoscopic and robotic surgeries, are associated with less morbidity in obese patients, and a retroperitoneal approach may provide additional benefits.
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Background And Objective: Robotic adrenalectomy (RA) has attracted interest as an alternative to laparoscopic adrenalectomy (LA) for patients with pheochromocytoma, although its beneficial effects are uncertain. Our aim was to compare RA and LA outcomes for these patients.

Methods: Data for patients who underwent RA or LA for pheochromocytoma in 46 international centers between 2012 and 2022 were reviewed.

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Background: Primary repair or resection with anastomosis (PR/A) has been gaining increasing recognition for traumatic colonic injuries, with the need for faecal diversion (FD) especially those of penetrating etiology being questioned. However, the role of PR/A in critically ill patients is still controversial with concerns pertaining to safety and anastomotic leak.

Aims And Methods: We performed a systemic review of studies comparing outcomes of FD versus PR/A in traumatic colonic injuries.

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Background/aims: Sigmoidoscopy is performed in most medical centers to evaluate the distal colons of young adults presenting with hematochezia who are at risk of developing proximal lesions. Colonoscopies offer more complete evaluations but are associated with a higher incidence of complications and possible low yield.

Methods: An analysis was conducted on colonoscopies performed in our center on patients 40 years of age or younger.

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Introduction: Self-expanding metal stents (SEMS) can be used as a bridge to surgery (BTS) or for palliation in the treatment of malignant large bowel obstruction. This case series evaluates the short-term outcomes of SEMS and success rates over time.

Methods: A total of 75 consecutive patients who underwent colonic stenting for malignant colonic obstruction over a period of six years were included.

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We present an unusual case of advanced ovarian carcinoma with postoperative complications of ischemia and perforation of the rectum as a result of tumor embolism. The interval progression from ischemia to infarction of the rectum was captured in repeated sigmoidoscopies. A brief discussion on tumor embolism and management of this case is also included.

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