Publications by authors named "Allen Wei Jiat Wong"

Background: The deep inferior epigastric perforator (DIEP) flap is currently the gold standard for autologous breast reconstruction. In cases where the DIEP is contraindicated, the profunda artery perforator (PAP) flap is now the preferred second-line option in our institution. The PAP flap poses unique challenges to the reconstructive surgeon, especially in Asian women with low body mass index (BMI).

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Objective: Diabetic foot ulcer (DFU) is a common complication in patients with diabetes. With current treatment, only two-thirds of patients heal, with a median duration of 3-6 months. Hard-to-heal DFUs are a major source of morbidity and mortality.

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  • * Immediate lymphatic reconstruction (ILR) is a surgical technique growing in popularity due to its effectiveness in reducing the rates of BCRL after axillary lymph node dissection.
  • * A study analyzing 10 research articles found that ILR significantly lowers the risk of developing BCRL, with only 7.85% of patients undergoing ILR developing the condition, compared to 20.8% in the control group.
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  • Recent advancements in breast cancer treatment have improved survivorship, leading to increased focus on functionality and aesthetics, yet breast cancer-related lymphedema (BCRL) remains a major issue.
  • The Lymphatic Microsurgical Preventive Healing Approach (LYMPHA) is a common method for preventing BCRL, but challenges arise due to deep surgical sites and potential complications from high venous pressures and prior radiotherapy.
  • A modified technique called distally based LYMPHA (dLYMPHA) was developed, showing promising results in a study where BCRL rates were significantly lower in patients who underwent this approach compared to those who did not.
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  • DIEP flaps are considered the best option for natural breast reconstruction, but they require a lot of skill and take longer to perform due to the need to find specific blood vessels during surgery.
  • Locating these vessels typically involves using Doppler ultrasound, which can be difficult and time-consuming for inexperienced surgeons.
  • To speed up the process and improve results, the authors' institution marks the skin in advance at the Breast Radiology department, and the article discusses their methods and experiences with this pre-surgical technique.
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  • - Transurethral catheterisation in male rats is challenging due to their unique anatomy, particularly the urethral striated sphincter, which complicates smooth catheter insertion.
  • - Researchers often resort to either using female rats or performing more invasive procedures like suprapubic bladder punctures when conducting studies that require urine collection or bladder pressure measurement.
  • - The study introduces a new, less invasive method for catheterising male rats using a microscope and microsurgical tools, successfully demonstrated on six rats without causing injury, enabling future research involving male subjects.
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Background: The free deep inferior epigastric artery perforator (DIEP) flap is the gold standard in autologous breast reconstruction. Asian patients often present with a smaller body mass index with relatively insufficient tissue. To restore appropriate symmetry, a larger flap inset ratio must be transferred.

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The care of skin grafts in the penile shaft is challenging because of its cylindrical shape and constantly changing length and lie, which makes it difficult to apply uniform compression and ensure immobilization during the critical period of skin graft take. These challenges are difficult to overcome with conventional dressings. The authors describe a technique of applying a double-opposing negative pressure dressing to sandwich the penile shaft following reconstruction with a skin graft, which is simple to apply and addresses these issues.

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 Lymphaticovenular anastomosis (LVA) requires special supermicrosurgery techniques designed for vessels less than 0.8 mm in size. While preparing the field for LVA, it is often difficult to handle the lymphatic vessel directly without injuring it or fracturing it entirely.

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Background:  With the success of free autologous breast reconstruction, the abdominal donor site is now an important consideration, especially in patients of childbearing age. In our institution, there are increasing patients who have successfully undergone the deep inferior epigastric artery perforator (DIEP) flap despite previous pregnancy. This study aims to answer questions on the effect of the donor site on pregnancy and vice versa.

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In the first half of the third century B.C., Herophilus and Erasistratus performed the first systematic dissection of the human body.

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Objective: Breast cancer treatment has evolved to the modern skin-sparing mastectomy and nipple-sparing mastectomy. To better perform these surgeries, minimally invasive techniques using the endoscope, or Da Vinci Robotic Surgery platform have been developed. The deep inferior epigastric perforator (DIEP) flap is the gold standard in breast reconstruction, but it is still not commonly performed after minimally invasive mastectomy due technical difficulty.

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Fournier's gangrene is a life-threatening infection which requires prompt recognition, early surgical debridement of unhealthy tissue, and initiation of broad-spectrum antibiotics. Relook debridement are usually performed until all the devitalized tissue has been removed. Involvement of the anal sphincter may result in significant morbidity such as permanent incontinence.

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The treatment of choice for Extramammary Paget's disease (EMPD) is wide excision. However, owing to the tendency of microscopic spread and multi-centricity of the disease, resection margins are hard to determine. Despite the use of adjunctive methods such as mapping biopsy and Moh's micrographic surgery, recurrence rates remain high.

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Critical defects of the chest wall require robust soft tissue coverage to protect the thoracic viscera. We define massive chest wall defects as larger than two-thirds of the chest wall. For such defects, classic flaps like the omentum, latissimus dorsi and anterolateral thigh flaps are usually insufficient.

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Purpose: Endoscopic total mastectomy (ETM) is predominantly performed with reconstruction using prostheses, lipofilling, omental flaps, latissimus dorsi flaps, or a combination of these techniques. Common approaches include minimal incisions, e.g.

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A 62-year-old male was diagnosed to the Emergency Department with 5-cm posterior neck carbuncle, and was subsequently discovered to have severe necrotising fasciitis intraoperatively during saucerization of the carbuncle. Subsequently, the patient was admitted to the intensive care unit and underwent combined debridement by the General Surgery, Neurosurgery and Plastic Surgery team. The large defect necessitated a trapezius flap reconstruction for coverage.

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Extravasation injury is a well-known complication of central venous catheter placement, with potential for extensive soft tissue necrosis. Here, we describe the case of a patient who developed a large right chest well soft tissue defect, due to a chest wall abscess from calcium gluconate infusion via a right internal jugular central venous catheter. After multiple debridements, the chest wall defect was reconstructed with a single stage ipsilateral pectoralis major turnover flap, rhomboid skin flap, and inferior nipple transposition to match the contralateral nipple.

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Lower extremity wounds are a healthcare issue that can result in debilitating consequences. Peripheral arterial occlusive disease (PAOD) being a major contributing factor to the disease, advance revascularization procedures (Angioplasty) based on the angiosome concept has been established in the literature to improve blood supply and promote better healing outcomes. We present a case of a 59-year-old lady with background of hypertension, diabetes and PAOD, was diagnosed with a non-healing foot wound with exposed metal implant.

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The burn center in our hospital is a national and regional (Southeast Asia) center. Of all admissions, 10% are related to blast explosions, and 8% due to chemical burns. In the acute burn management protocol of Singapore General Hospital, early surgical debridement is advocated for all acute partial-thickness burns.

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The nipple-sharing technique for nipple reconstruction offers excellent tissue matching. The method used for nipple graft harvesting determines the quality of the graft and hence, the success of nipple sharing. Here, we described a guillotine technique wherein the nipple is first transfixed with 2 straight needles to stabilise it.

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