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22 Parapharyngeal Space Tumour Excision
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reports and a literature review. Int J Pediatr Otorhinolaryngol. 2004;68:601–6.
7. Shabab R, Heliwell T, Jones A.How we do it: a series of 114 primary pharyngeal space neoplasms. Clin Otolaryngol. 2005;30:364–7.
8. Dimitrijevic M, Jesic S, Mikic A, Arsovic N, Tomanovic N. Parapharyngeal space tumors; 61 case reviews. Int J Oral Maxillofac Surg. 2010;39:983–9.
9. Allison R, Van der Waal I, Snow G. Parapharyngeal tumours: a review of 23 cases. Clin Otolaryngol. 1989;14:199–203.
10. Zhi K, Ren W, Zhou H, Wen Y, Zhang Y. Management of parapharyngeal- space tumors. J Oral Maxillofac Surg. 2009;67:1239–44.
11. Riffat F, Dwivedi RC, Palme C, Fish B, Jani P.A systematic review of parapharyngeal space tumors reported over 20 years. Oral Oncol. 2014;50:421–30.
12. Mendelsohn A, Bhuta S, Calcaterra T, Shih H, Abemayor E, St. John M. Parapharyngeal space pleomorphic adenoma: a 30-year review. Laryngoscope. 2009;119:2170–4.
13. Wang AY, Wang JT, Levin B, Alam M, Palme CE, Riffat F. Parapharyngeal pleomorphic adenoma as a cause of severe obstructive sleep apnoea. ANZ J Surg. 2014;84:883–90.
14. Trivedi N.Tumors of the parapharyngeal space. In: Trivedi N, edi­tor. Atlas of head and neck cancer surgery. New Delhi: Springer;
2015. p.77–87.
15. Warrington G, Emery PJ, Gregory MM, Harrison DFN.Pleomorphic salivary gland adenomas of the parapharyngeal space. J Laryngol Otol. 1981;95:205–18.
16. Arshad H, Durmus K, Ozer E. Transoral robotic resection of selected parapharyngeal space tumors. Eur Arch Otorhinolaryngol. 2013;270:1737–40.
17. Chan JY, Tsang RK, Eisele DW, Richmon JD.Transoral robotic surgery of the parapharyngeal space: a case series and systematic review. Head Neck. 2015;37:293–8.
18. Boyce BJ, Curry JM, Luginbuhl A, Cognetti DM.Transoral robotic approach to parapharyngeal space tumors: case series and technical limitations. Laryngoscope. 2016;126:1776–82.
19. Presutti L, Molteni G, Malvè L.Parapharyngeal space tumors with­out mandibulotomy: our experience. Eur Arch Otorhinolaryngol. 2012;269:265–73.
20. van Hees T, van Weert S, Witte B, Leemans CR.Tumors of the para­pharyngeal space: the VU University medical center experience over a 20-year period. Eur Arch Otorhinolaryngol. 2018;275:967–72.
Part IX
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Lip Surgery
Lip Shave (Vermilionectomy)
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MarekJ.Ogledzki andCarlosA.Ramirez
23
23.1 Introduction
Actinic cheilitis (AC) is considered a premalignant involve­ment of the entire lower lip as a result of chronic sun expo­sure; it can progress to squamous cell carcinoma, with transformation rates of 10–30% [1, 2]. It is characterized by lower lip atrophy, loss of vermilion border, loss of elasticity, dry keratotic plaques with ssures, and supercial ulcers (Fig. 23.1). AC is found predominantly in fair-skinned, middle- aged men with extensive lifetime sun exposure [1].
Vermilionectomy is a well-established method of man­agement of AC.This method involves complete excision of the lower lip epithelium from the vermilion border to the wet-dry line, with various methods of reconstruction. It was initially thought that the method was introduced by Bernhard von Langenbeck and Friedrich von Esmarch, but Victor von Bruns was performing this procedure for management of lower lip tumours several years prior to von Langenbeck’s original report in 1855 [3]. Since then, the procedure appli­cation became focused on the treatment of AC, and a number of modications have been described.
Additional ablative treatments for AC that have been described include the use of 5-FU, imiquimod, cryosurgery, electrodesiccation, photodynamic therapy, chemical peels, and CO2 laser. Vermilionectomy and CO2 laser ablation are among the most efcacious, with the lowest long-term AC recurrence rates [4, 5]. The CO2 laser provides precise con­trol of the depth and borders of the ablation and has been associated with less post-treatment scarring and paresthesias than surgical vermilionectomy, but vermilionectomy is the only treatment modality that allows histologic examination of the specimen, providing margin analysis and identica­tion of invasive disease. In addition, it can be easily com-
M. J. Ogledzki · C. A. Ramirez (*) Department of Oral/Maxillofacial Surgery, Ascension St. John Hospital, Warren, MI, USA e-mail: Marek.Ogledzki@Ascension.org;
carlos.ramirez@ascension.org
bined with a wedge excision if any invasive component is identied [4, 6, 7].
Vermilionectomy has remained mostly unchanged over the years. In 1967, Burket [8] explained a modication tech­nique to excise a wedge of orbicularis oris muscle to facili­tate closure. However, this technique leads to increased post-operative discomfort, increased risk of bleeding due to increased vascularity, added loss of lip bulk, and is not nec­essary for closure [4, 9]. The modied vermilionectomy may be useful in some situations, in which dysplastic changes may extend to a greater depth [2]. Field [10] suggested that extending the vermilionectomy beyond the commissure and onto the inferolateral aspect of the upper lip would reduce discomfort and cicatricial nodules at the commissure of the lip, but this technique has not been widely employed in prac­tice; most surgeons employ the standard excision technique. The entire vermilion should be excised, as AC often diffusely involves the labial surface and aesthetic results are superior with resurfacing of the entire lip subunit (Fig.23.2) [4].
Multiple modications to the closure technique have been proposed in hopes of improving aesthetic appearance and minimizing post-operative sequelae. Von Bruns published an illustration of the mucosal advancement ap in 1857; this has remained the mainstay of the reconstruction [3]. Fernandez Vozmediano etal. [11] proposed a W-plasty technique aimed at breaking up a straight scar line at the new vermilion border, similar to cutaneous scar revision. Despite elevation of a mucosal ap, the lower lip tends to retract, resulting in a decreased anterior-posterior dimension. To offset this retrac­tion, Lustig etal. [12] proposed using a bipedicled myomuco­sal axial ap, and Ay and Aytekin [13] suggested meshing the mucosal ap, similar to a skin graft. Some authors advocate primary closure of the defect without undermining, reporting a similar cosmetic result and a signicant decrease in pares­thesia, pain, and lip incontinence with primary closure [14]. Sand et al. [15] estimated that primary closure results in a one-third width reduction, but found their cohort to have sim­ilar recovery proles. They concluded that primary closure is
© Springer Nature Switzerland AG 2024 R. Simo et al. (eds.), Atlas of Head and Neck Surgery, Springer Surgery Atlas Series,
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Fig. 23.1 Actinic cheilitis
M. J. Ogledzki and C. A. Ramirez
Fig. 23.2 Markings for vermilionectomy
best tted for elderly or anticoagulated patients, to decrease operative time and bleeding risk [15]. Another known dis­comfort in some patients is the “prickly sensation” from advanced mucosa overlapping cutaneous hair follicles. Field [16] reasoned that this results from excess tension of the mucosal ap after closure and recommended extending the submucosal dissection of the advancement ap to the level of the retrobuccal sulcus or the oral vestibule. We employ this technique in our practice to achieve closure with the least ten­sion possible, to prevent dehiscence and the disappearance of the lower lip. In our experience, careful submucosal dissec­tion spares the emerging mental nerves, and paresthesias are usually related to neovascularization of the advanced mucosa, which usually resolves after several months.
23.2 Pre-operative Checklist, Considerations, andAnaesthesia
Prior to proceeding with the vermilionectomy, a thorough history and physical must be completed. Use of antiplatelet or anticoagulation signicantly increases the risk of hema-
toma formation resulting in possible mucosal ap failure. Any medication adjustment should be made in conjunction with the patient’s primary care physician, and meticulous haemostasis must be maintained during surgery. A thorough discussion regarding the expected esthetic outcome of the procedure, possible complications, and post-operative course should be had with all patients. The patient should be alerted of diet adjustments at home. If the patient has a his­tory of herpes labialis or “cold sores,” pre-operative course of antivirals is recommended to prevent an outbreak. Pre­operative biopsy of ulcerations should be completed in order to identify invasive lesion requiring a wedge resection (Fig.23.3).
Pre-operative evaluation of the lesion and adjacent struc­tures must be completed. Lower labial mucosa should be examined for any previous surgical incisions, lesions, or scarring. Any scarring in the area will make submucosal dis­section signicantly more difcult, compromise vascularity of the submucosal ap, and increase the overall potential risk of complications. Signicant scarring of the labial mucosa should preclude use of an advancement ap, and primary closure should be performed.
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Fig. 23.3 Partial vermilionectomy with wedge excision
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The vermilionectomy can be performed under local or general anaesthesia. Nasal intubation is recommended to provide adequate access and prevent distortion, to allow for symmetric reconstruction. It is the author’s preference to perform this delicate procedure in a controlled setting under general anaesthesia as an outpatient.
The patient must be informed of the possible risks and expected postsurgical aesthetic changes. Elevation of muco­sal ap is associated with an increased risk of hematoma for­mation, which may lead to infection and ap necrosis [4]. In addition, short-term lower lip paresthesia may occur, owing to dissection into the mandibular vestibule near the mental nerve [14]. Long-term discomfort and “prickly sensation” have been reported [16]. Mucocele formation has been reported from disruption of labial minor salivary glands [17]. In rare cases, short-term lip incontinence may result [14]. Any disruption in normal healing may result in lower lip asymmetry requiring revision surgery. The patient should expect posterior migration of the vermilion border, resulting in decreased fullness of the lower lip [14].
23.3 Indications
Actinic cheilitis (AC) is considered a premalignant condition of the labial skin, with malignant transformation ranging from 10 to 30% [1]. Simple vermilionectomy is performed for management of AC in the absence of malignant features. Diagnosis of AC is based on clinical ndings and can be con­rmed with biopsy. In the presence of a focal malignant lesion, wedge resection in addition to vermilionectomy is performed.
The reconstruction modality is based on patient fac­tors. We prefer to use a labial mucosa advancement ap to
minimize tension at the suture line. For patients with sig­nicant comorbidities requiring anticoagulation or anti­platelet agents, however, simple closure of the vermilionectomy defect is preferred, to minimize the risk of hematoma formation and shorten the duration of gen­eral anaesthesia.
23.4 Surgical Technique
23.4.1 Vermilionectomy
The patient is placed in supine position and prepped and draped in standard surgical fashion. Marking of vermilionec­tomy incision is performed rst, using a ne-tip marking pen. Incision is marked along the white roll of the lower lip, or 1–2mm from the vermilion border to include a small cuff of skin and ensure adequate resection margins. Commissures constitute the lateral extent and the wet-dry line is the poste­rior extent of the resection (Figs.23.4 and 23.5). Anaesthetic may be used only after incision marking.
Size #15 blade is used to create an incision along the ante­rior marking, extending into the commissures, through skin and into the subcutaneous tissue, beveling away from the resection specimen. The posterior incision is then performed through mucosa to the level of the muscle. The specimen is then grasped with Adson toothed forceps, and tenotomy scis­sors are used to undermine in the submucosal plane along the orbicularis oris muscle (Figs. 23.6, 23.7, and 23.8). The author prefers to make the incision with a Bovie electrocau­tery set on 15 cut and then proceed with the bipolar forceps set to 12 to elevate the specimen. The specimen is removed, orientated with silk suture, and passed over for histopathol­ogy (Fig.23.9).
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Fig. 23.4 Supercially invasive squamous cell carcinoma
M. J. Ogledzki and C. A. Ramirez
Fig. 23.5 Markings for vermilionectomy
Fig. 23.6 Excision through mucosa and submucosa
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Fig. 23.7 Visualization of underlying musculature
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Fig. 23.8 Residual defect
Fig. 23.9 Resected specimen with silk suture markings for orientation
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M. J. Ogledzki and C. A. Ramirez
23.4.2 Vermilionectomy andWedge Resection
The patient is placed in supine position and prepped and draped in standard surgical fashion. Marking of the vermil­ionectomy incision is performed rst, using a ne-tip mark­ing pen. Incision is marked along the white roll of the lower lip or 1–2mm from vermilion border to include a small cuff of skin and ensure adequate resection margins. Commissures constitute the lateral extent and the wet-dry line is the poste­rior extent of the resection (Fig.23.10). Next, wedge resec­tion marking is performed. Anaesthetic may be used only after incision marking.
Size 15 blade is used to create an incision along the ante­rior marking, beveling away from the specimen and stopping at the lateral borders of the outlined wedge resection marking. Posterior incision is completed in same fashion and con-
nected to the anterior incision at the commissures. Next, the mucosa is undermined using tenotomy scissors in the supra­muscular plane from lateral to medial, until the resection marking of the wedge resection is reached. Next, the wedge resection is completed, removing the entire specimen en bloc (Fig.23.11).
23.4.3 Mucosal Advancement Flap
Following resection, meticulous haemostasis must be obtained. Bipolar electrocautery allows excellent haemosta­sis with minimal tissue damage. The lower lip is everted out of the mouth, and tenotomy scissors are used to undermine in the submucosal plane to the depth of the mandibular vesti­bule. Bilateral 1-cm releasing incisions of the mucosal ap
Fig. 23.10 Markings for vermilionectomy with wedge excision
Fig. 23.11 Resected wedge resection specimen
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Fig. 23.12 Mucosal advancement
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Fig. 23.13 Completed mucosal advancement
are made at the commissures adjacent to the defect to allow advancement without distortion of the commissures. The mucosal ap is then sutured to the skin using 5-0 Prolene interrupted simple sutures (Figs.23.12 and 23.13).
23.5 Post-operative Care
Post-operative multimodality pain medication should be pre­scribed, including anti-inammatories. Ice may be applied for 24–48 h to reduce swelling, after which heat may be
applied. Because of oral contamination, the author prescribes a 5–7-day course of antibiotics to cover oral ora. The patient is prescribed a full liquid diet for 72h, followed by a mechan­ical soft diet for an additional 4–7 days. The patient is instructed to apply a very thin layer of antibiotic ointment daily. Sutures are removed after 7–10 days. The patient is seen weekly for the rst 3weeks (Figs.23.14, 23.15, 23.16,
23.17, and 23.18).
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Fig. 23.14 Appearance 3months after partial vermilionectomy with wedge excision
M. J. Ogledzki and C. A. Ramirez
Fig. 23.15 Pre-operative supercially invasive squamous cell carcinoma