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The aim of this study was to describe the utility of 3D technology in mandibular distraction (MD) for patients with mandibular hypoplasia (MH), using 3D-printed cutting guides (CGs), and to assess the differences between virtual surgical planning (VSP) and the final result. A descriptive retrospective study of five patients diagnosed with MH, who required unilateral or bilateral MD, was carried out between January 2018 and January 2020. All patients underwent preoperative craniofacial CT scan and a 3D VSP was executed. MD was performed with the help of the 3D-printed CG. Before removal of the distractor, another CT scan was performed to compare the actual final result with the VSP. A mean difference of

Congenital midline cervical cleft is a rare malformation. Typical case shows an area of hypotrophic skin, a cranial nipple-like structure, and a caudal blind sinus. Cervical extension is limited. Relapse of the retraction is common following cutaneous z-plasty. The aim of this study is to describe the radiological, surgical, and histological findings of the 4 cases treated in our center in the last 8 years and communicate the finding of a contractile structure, anterior to the platysma, composed by striated muscle, figure not previously described. This distinct muscular band is responsible for neck retraction. Removal of this releases cervical tension and is essential to avoid the relapse.

INTRODUCTION: Isolated cleft lip is the mildest form of the cleft lip and palate spectrum; however those patients are often treated with the same surgical techniques that are used for the more severe cases (advancement-rotation flaps, quadrangular flaps). Meara's cheiloplasty technique may be a less aggressive option for lip repair in isolated cleft lip or whenever the gap between labial segments is not wide. MATERIAL AND METHODS: All children that had their cleft lip repaired following Meara's cheiloplasty between May 2014 and December 2015 were retrospectively reviewed. Duration of the surgical procedure, time to hospital discharge and complications were noted. Aesthetic results were evaluated in terms of lip height and symmetry, nose shape and symmetry, and scar appearance. RESULTS: Thirteen patients underwent Meara's cheiloplasty during this period. The average age was 6.11 months (5 to 12 months). A primary rhinoplasty was done at the same time in case of nasal asymmetry. Duration of the lip repair averaged 85 minutes. Oral feeding was started 4 hours after the procedure; bottle-feeding was withheld for 2 weeks postoperatively, as our protocol recommends after other lip repair techniques. In all 13 cases the result was a symmetrical, adequately high upper lip and a well-balanced nose, except for one case of lip scar retraction that was solved with triamcinolone infiltration. There were no other intra or postoperative complications. CONCLUSIONS: Meara's cheiloplasty corrects small or moderate gap cleft lip (usually cleft lip without cleft alveolus). Benefits over other teccniques are a shorter procedure and less geometric, undulate flaps that produce a harmonic lip.

OBJECTIVE: To review the surgical experience in Giant Congenital Melanocytic Nevi (GCMN). MATERIAL AND METHODS: Review of GCMN cases consulting at the Department of Pediatric Surgery since 1994. Data registered were: year and age at 1st consultation, type of treatment, number of surgical procedures and complications, histology, central nervous system MRI and follow-up. RESULTS: Eleven patients with GCMN > 10% of body surface consulted at ages ranging from newborn to 8 years. All of them had multiple surgical procedures (2-19), from nevus removal to only biopsies. Eight patients had tissue expansion, completed in 3 of them with skin grafts on dermal substitute. Six patients had complications: 4 expander extrusions, 5 infections, 3 flap necrosis and 1 dehiscence. In 6 children a total or subtotal resection of the nevus was achieved; in 2 the treatment was interrupted, remaining 20% and 50% of the initial nevus; three patients had not had nevus treatment. None of the patients presented cutaneous melanoma; one died from intracranial melanoma; another one has leptomeningeal melanosis. The first 4 patients underwent an average of 16 surgical procedures each, the last 7 patients only 5. CONCLUSIONS: The aim of GCNM management has changed: GCNM treatment is now surgically conservative. Complete excision is now not the aim when technically unfeasible in few procedures; multiple surgical procedures with poor cosmetical results are not acceptable. The gravity is determined by CNS involvement.