Lip Reconstruction After Tumor Ablation
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Review Article 15 Lip Reconstruction after Tumor Ablation Ali Ebrahimi1, Mohammad Hossein Kalantar Motamedi2*, Azin Ebrahimi3, Mohammad Kazemi4, Amin Shams5, Haleh Hashemzadeh6 1. Department of Plastic Surgery, Trauma ABSTRACT Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran Approximately 25% of all oral cavity carcinomas involve the lips, 2. Department of Oral and Maxillofacial and the primary management of these lesions is complete surgical Surgery, Trauma Research Center, Baqiyatallah University of Medical resection. Loss of tissue in the lips after resection is treated with Sciences, Tehran, Iran a variety of techniques, depending on the extension and location 3. Medical student,Tehran University of Medical Sciences, Tehran, Iran of the defect. 4. Trauma Research Center, Baqiyatallah Here we review highly accepted techniques of lip University of Medical Sciences, Tehran, reconstruction and some of new trials with significant clinical Iran 5. Private Practitioner, Tehran, Iran results. Reconstruction choice is primarily depend to size of the 6. Dental Research Center, Tehran University defect, localization of defect, elasticity of tissues. But patient’s of Medical Sciences, Tehran, Iran age, comorbidities, and motivation are also important. According to the defect location and size, different reconstruction methods can be used. For defects involved less than 30% of lips, primary closures are sufficient. In defects with 35–70% lip involvement, the Karapandzic, Abbe, Estlander, McGregor or Gillies’ fan flaps or their modifications can be used. When lip remaining tissues are insufficient, cheek tissue can be used in Webster and Bernard advancement flaps and their various modifications. Deltopectoral or radial forearm free flaps can be options for large defects of the lip extending to the Jaws. To achieve best functional and esthetic results, surgeons should be able to choose most appropriate reconstruction method. Considering defects’ size and location, patients’ expects and surgeon’s ability and knowledge, a variety of flaps are presented in order to reconstruct defects resulted from Downloaded from wjps.ir at 14:57 +0330 on Thursday September 23rd 2021 tumor ablation. It’s necessary for surgeons to trace the recent innovations in lip reconstruction to offer best choices to patients. KEYWORDS Lip; Reconstruction; Tumor; Ablation Please cite this paper as: *Corresponding Author: Ebrahimi A, Kalantar Motamedi MH, Ebrahimi A, Kazemi M, Shams Mohammad Hossein Kalantar A, Hashemzadeh H. Lip Reconstruction after Tumor Ablation. World J Motamedi, MD; Plast Surg 2016;5(1):15-25. Professor of Department of Oral and Maxillofacial Surgery, INTRODUCTION Trauma Research Center, Baqiyatallah University of Medical The upper and lower lips are distinct facial anatomic parts Sciences, form majority features of lower 1/3 of face, and their functional P.O. Box: 1994943636, Tehran, Iran and aesthetic importance is undeniable. Although over 200 Tel/Fax: +98-21-88053766 Email: [email protected] methods have been described for reconstruction of lip defects Received: May 28, 2015 since 1000 BC and many have been considered to be ideal, none Revised: August 1, 2015 of them is perfect or suitable for the reconstruction of all kinds Accepted: November 3, 2015 of defects.1-4 www.wjps.ir /Vol.5/No.1/January 2016 16 Lip reconstruction after tumor ablation Defects of lips may occur as a result of Free flaps and grafts are the next choices for hereditary disorders (such as cleft lip), trauma and reconstruct ion of post tumor excision lip defects. tumors. Defects of the lips are more frequently As a result of the relatively lower incidence of encountered because of the high incidence of cancer, the reconstructive techniques for defects tumors of lips. Squamous Cell Carcinoma (SCC) of the upper lip are fewer than lower lip. Based is the most common malignancy related to the on classification was mentioned before, we will lips (95%) and the lower lip more commonly review current trends for lip reconstruction: involved in comparison with the upper lip (9:1). Loss of tissue in the lips is treated with a variety Vermilion Defects of techniques, depending on the extension and The vermillion is the most prominent feature location of the defect.5 Tumors of the lips should be of the lip. The preferred method for repair of treated with surgery and postoperative radiation vermillion-only defects is an advancement of when there are poor prognostic indicators that labial mucosa, which is then re-draped over include multiple levels of positive lymph nodes, the underlying orbicularis musculature.2,9 The extra capsular extension of the cancer in lymph plane of dissection is between the uninvolved nodes, deep invasion of the primary tumor, mucosa and underlying musculature.13 When neural and vascular invasion, tumor margins less simple advancement is not sufficient, other than 5 mm.6 techniques can be used. These include mucosal V-Y advancement flaps, cross-lip mucosal flaps, Goals of Reconstruction sliding vermilion advancement flaps, and tongue The aims of reconstruction should be to flaps. The cross-lip mucosal flaps and tongue maintain oral competence, maintain maximum oral flaps require staged secondary surgery after two aperture, maintain mobility, maintain sensation or three weeks.14 when possible, and maximize aesthetic result. For When vermilion replacement requires example a reduction to less than 50% of stoma more bulk or the oral mucosa is not available, size produces oral dysfunction, especially for anterior-based tongue flaps are useful and those who wear dentures.7,8 For lip reconstruction, when using W-shaped excisions in young first we should assess the lesion to determine the patients where disguising defects is more amount of mucosa, muscle, and skin that will be difficult, a design that places the W limbs in involved before incisions are made. the submental fold can be considered.11 Sand Classifications of lip defects are based on the et al.,15 in a recent study comparing vermillion anatomic location (skin, vermillion, or both), mucosal advancement flaps with direct primary thickness (partial thickness or full thickness), closure of vermillion defects, observed that Downloaded from wjps.ir at 14:57 +0330 on Thursday September 23rd 2021 and width of the defect relative to the overall mucosal advancement flaps resulted in better width of the lip.9 Using this defect based maintenance of vermillion width compared approach, defects can be divided into vermilion with primary closure. Mucosal cross-lip flaps only defects, partial-thickness (cutaneous) use the labial mucosa from one lip to reconstruct defects, defects less than one third of the total lip a vermillion defect of the opposing lip. A novel length, defects between one third and two thirds technique has been described by Manafi et al total lip length, and total lip defects.10,11 as Mutual cross lip musculomucosal flaps for In order to reconstruct the lips following correction of major vermillion defects which tumor ablation, the “reconstruction ladder” is very helpful in cases of lip hemangioma.16 starts with the simplest procedures, moving up The major disadvantage of these flaps is that to the most complex. Primary closure of the the reconstruction must be staged, with pedicle lip is the simplest technique for small defects. division occurring 2 or more weeks after initial The next steps of reconstruction are local flap positioning. flaps, and these have the advantage of good color match, easy accessibility, simplicity in Cutaneous Defects the surgical technique, and use of innervated Cutaneous defects are best reconstructed muscle for function. Local flaps also have some with local flaps from adjacent cutaneous lip disadvantages, including the need to make tissue, where incisions placed in the borders of extra skin incisions on the face and the lack of aesthetic subunits.9 Partial-thickness perilabial sufficient tissue for major defects.11,12 defects can be closed either by primary closure www.wjps.ir /Vol.5/No.1/January 2016 Ebrahimi et al. 17 or with local transposition flaps.2 Primary edge. This suture will secure the tip of the V closure is the ideal reconstructive option, with shaped flap in place without compressing the the long axis of the fusiform excision placed skin of the flap.11 within the perioral relaxed skin tension lines, The vermilion should preferably be marked which tend to be perpendicular to the horizontal prior to incision to prevent distortion of this axis of the lip.1,9 important aesthetic junction that occurs during When local tissue transfer is used, only outer injection and subsequent surgical dissection. skin and subcutaneous tissue are involved; the It is also important to remember that primary facial musculature will remain intact. Cutaneous closure of these defects should not result in lower lip can be reconstructed with a variety of any appreciable microstomia. If this occurs, a flaps from the chin and submandibular area. secondary reconstruction option should be used. Because the chin is a very visible aesthetic Advancement flaps are best suited for correcting unit, incisions should be planned where there central defects of the upper and lower lips. The is minimal chin distortion. Larger lower lip reconstructed lip tends to be tighter than the defects reconstruction can be done using an opposing lip, which may be more pronounced inferiorly based or bilateral inferiorly based when the lips are together. This effect will melolabial flaps.13 generally decrease over time.1,2 Upper lip cutaneous defects can be It’s worthy to mention that a V-Y advancement reconstructed with rotation advancement flaps flap is an excellent technique for reconstructing or transposition flaps.1,9,13,17 A laterally based lateral, skin-only lip defects larger than 1 cm2. transposition flap is good for small cutaneous This method places scars along aesthetic borders defects in the lower portion of the upper lip, as and advances skin of similar characteristics described by Converse.18 Larger defects which into the upper lip.