Retrocorneal membranes and RPMs with earlier keratoprostheses have frequently been reported without specific identifiable causes. Diabetes is known to be associated with intraocular membrane formation. This study demonstrates that systemic factors affect the risk of RPM formation with AlphaCor. In cases identified as at greater risk of membrane formation, peri- and postoperative therapies such as steroids, non-steroidals, heparin or rTPA should be considered. In our series, several therapeutic and surgical strategies appear effective but recognizing patients at increased risk pre-operatively and using preventive measures where indicated is likely to be key to minimizing the incidence of this complication.

This article represents the first prospective, randomized, controlled trial assessing the use of postoperative drainage in facial rejuvenation surgery. Surgical drains do not influence postoperative complications, but they do significantly reduce bruising and so may facilitate the patient's return to normal activity.

BackgroundThere is a lack of consensus regarding optimal surgical excision margins for primary cutaneous melanoma > 1 mm in Breslow thickness (BT). A narrower surgical margin is expected to be associated with lower morbidity, improved quality of life (QoL), and reduced cost. We report the results of a pilot international study (MelMarT) comparing a 1 versus 2-cm surgical margin for patients with primary melanoma > 1 mm in BT.MethodsThis phase III, multicentre trial [NCT02385214] administered by the Australia & New Zealand Medical Trials Group (ANZMTG 03.12) randomised patients with a primary cutaneous melanoma > 1 mm in BT to a 1 versus 2-cm wide excision margin to be performed with sentinel lymph node biopsy. Surgical closure technique was at the discretion of the treating surgeon. Patients’ QoL was measured (FACT-M questionnaire) at baseline, 3, 6, and 12 months after randomisation.ResultsBetween January 2015 and June 2016, 400 patients were randomised from 17 centres in 5 countries. A total of 377 patients were available for analysis. Primary melanomas were located on the trunk (56.9%), extremities (35.6%), and head and neck (7.4%). More patients in the 2-cm margin group required reconstruction (34.9 vs. 13.6%; p < 0.0001). There was an increased wound necrosis rate in the 2-cm arm (0.5 vs. 3.6%; p = 0.036). After 12 months’ follow-up, no differences were noted in QoL between groups.DiscussionThis pilot study demonstrates the feasibility of a large international RCT to provide a definitive answer to the optimal excision margin for patients with intermediate- to high-risk primary cutaneous melanoma.

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