Nasolabial Transposition Flap Research Articles

Contributing effect of lymphatic disruption in trapdoor deformity in nasolabial flaps\u2014superiorly based vs. inferiorly based flap: A\xa0case report

The nasolabial flap is well suited for reconstruction of the lower third of the nose. In one-stage reconstruction used as transposition flap, complications can be caused by blunting of the normal concavity of the nasofacial sulcus, but also by trapdoor formation. Various theories have attempted to explain this phenomenon of bulging tissue occurring in transposition flaps. The contributing effect of lymphatic dysfunction is not clear. In our case performed after excision of basal cell carcinoma, both lower thirds of the nose of a 77-year-old patient were reconstructed with a nasolabial transposition flap using an inferior base on one and a superior base on the other side. A follow-up showed greater trapdoor deformity on the superiorly based transposition flap. Assuming that the inferiorly based flap has better drainage than the superiorly based due to intact vertical lymphatics, our case suggests that lymphatic disruption may significantly contribute to the development of trapdoor deformity.Level of Evidence: Level V, risk/prognostic study.

The caudolaterally inserted transposition flap and its variations for reconstruction of defects of the nasal ala

Closure of non-full-thickness defects of the nasal ala can be a surgical challenge. While there is a plethora of various reconstructive techniques, not all of them are easy to learn and carry out. Recently, the dermatosurgeon Andreas Lösler from the Department of Dermatology at the Hornheide Medical Center, Germany, developed and published the caudolaterally inserted transposition flap for the reconstruction of alar defects. Given its relative novelty, this technique, which is characterized by a very low complication rate, is still unknown to most dermatosurgeons and has not yet found its way into standard dermatosurgery textbooks. The present review describes the caudolaterally inserted transposition flap and two modifications thereof, which allow for the closure of large alar defects as well as defects of the alar crease. Comparisons are made to the two flaps most commonly employed for alar reconstruction, the bilobed flap and the cranially inserted nasolabial transposition flap (melolabial flap).

Flap or graft: The best of both in nasal ala reconstruction

The area of the nose immediately medial to the nasofacial groove is a common site for relatively small but penetrating basal cell carcinomas (BCCs). Although larger lesions may necessitate formal subunit reconstruction, smaller lesions pose a considerable dilemma. Full-thickness skin grafts (FTSGs) often result in an unsightly contour defect. Local flap options exist, but they frequently violate subunit boundaries or anatomical landmarks. In particular, the single-stage nasolabial transposition flap is particularly prone to blunting of the nasofacial angle and fullness or pin-cushioning of the flap with concomitant loss of facial symmetry. We present a consecutive case series of 21 patients with lesions at this site who underwent reconstruction with a combination of a subcutaneous flap from the adjacent cheek fat, which is then resurfaced with an overlying FTSG. A range of defects of dimensions up to 17mm diameter were included in the series. There were no instances of haematoma, post-operative infection or graft failure. A single patient, who smoked 30 cigarettes daily, underwent a complex reconstruction combining a cartilage graft with a fat flap and a skin graft. He experienced some epidermal loss that healed without intervention, with a remarkable outcome. The results show this to be a reliable and reproducible method that delivers excellent restoration of the contour without disrupting the symmetry of the nasofacial sulcus. Augmenting a skin graft with a subcutaneous fat transposition flap is a simple technique that is quick to learn and straightforward to execute. Excellent outcomes were consistently obtained without the asymmetry and pin-cushioning often associated with local flaps at this site.

RETALHO NASOGENIANO DE TRANSPOSIÇÃO COM PEDÍCULO SUPERIOR – PRINCÍPIOS E APLICAÇÕES FUNDAMENTAIS

O Retalho nasogeniano de transposição (RNGT) com pedículo superior tem diversas indicações na reconstrução de defeitos cirúrgicos da área centro-facial. Para além da sua indicação clássica, que permite reconstruir defeitos da asa do nariz, o RNGT é uma alternativa para todas as subunidades do nariz, excepto as mais superiores, inclusivamente para a ponta e defeitos de toda a espessura da asa. Adicionalmente permite reconstruir defeitos da região infraorbitária. É um retalho muito seguro e de execução relativamente fácil, com uma baixa ocorrência de complicações, desde que sejam cumpridos alguns princípios fundamentais.

The Midline-based Nasolabial Transposition (MNT) Flap

Nasolabial flaps based on the lateral side of the nose for the reconstruction of lateral nasal defects in a single-stage procedure have been described. Similarly, in midline defects, nasolabial flaps can be used but a 2-stage procedure is classically required. The Midline-based Nasolabial Transposition (MNT) flap is presented as a new single-stage procedure for nasal tip reconstruction. Between 2009 and 2011, an MNT flap was used as a single-stage procedure in 3 cases of large nasal defects of the tip where the forehead flap was either contraindicated or rejected as an option by the patient. There were no complications and a satisfactory aesthetic result was achieved in all cases. The MNT flap is a new single-stage procedure for large nasal tip defects and as such represents an interesting alternative to the classical 2-stage forehead and nasolabial flaps, especially in elderly patients.

RECONSTRUÇÃO COMPLEXA DE DEFEITO DO TERÇO INFERIOR DO NARIZ

A reconstrução de defeitos nasais deve preservar a integridade das funções e expressões faciais. A localização do tumor, o tamanho, as camadas atingidas e a disponibilidade de tecido dador devem ser considerados, de modo a estabelecer o procedimento cirúrgico adequado. Em qualquer reconstrução nasal, é necessário ter em conta três camadas: revestimento interno, suporte cartilagíneo e revestimento externo. Os autores descrevem a reconstrução de um defeito de espessura total do terço inferior do nariz após excisão de carcinoma basocelular recidivado, com retalho septal mucoso ipsilateral para a reconstrução do revestimento interno, enxerto livre de cartilagem auricular para o suporte cartilagíneo e retalho de transposição nasogeniano para o revestimento externo, num único tempo cirúrgico e com resultado estético e funcional final aceitável.

The versatility of the nasolabial transposition flap in midfacial reconstruction: Our experience

The versatility of the nasolabial transposition flap in midfacial reconstruction: Our experience

Combined Hinge and Nasolabial Transposition Flap for Repair of a Full-Thickness Nasal Alar Defect

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Combination Nasolabial Transposition Flap and Island Pedicle Flap Following Mohs Surgery of Simultaneous Basal Cell Carcinomas Involving Both Nasal Alae

The nasal ala is a challenging area for surgical reconstruction, with thick sebaceous skin, the lack of an ample tissue reservoir, and an adjacent free margin. Numerous flaps have been reported for the repair of alae defects. A 71-year-old woman with simultaneous basal cell carcinomas involving both nasal alae was treated by Mohs micrographic surgery. The surgical defects measured 1.5×1.5 cm on the center of the right nasal ala and 1.0×1.0 cm on the left nasal ala, including the alar crease and rim. The right nasal ala was used as a nasolabial transposition flap and the left nasal ala was reconstructed by an island pedicle flap. The final shape and texture were satisfactory. The flaps survived and nasal symmetry was preserved. Combined nasolabial transposition and island pedicle flaps thus offer a superior esthetic and functional result owing to minimized tension. This may be a valuable reconstructive option in the repair of bilateral nasal alae defects.

Atypical Cellular Neurothekeoma Treated with Mohs Micrographic Surgery

Atypical cellular neurothekeoma is a rare neoplasm generally regarded as a benign tumor with locally aggressive behavior. Recurrence is common with inadequate excision, but metastatic disease has yet to be reported. The objective was to report a case of atypical cellular neurothekeoma of the nasal ala in a young woman treated by Mohs micrographic surgery. The biologic behavior and histopathology will be reviewed. Case report and review of the literature. The neoplasm was extirpated in a three-stage, five section Mohs surgery procedure. The resulting defect was repaired by a two-stage, pedicled nasolabial transposition flap with a cartilage graft taken from the ipsilateral ear. No clinical recurrence was noted after 6-months of follow-up. Mohs micrographic surgery is unsurpassed in its efficacy in treating a wide variety of nonmelanoma skin cancers. Although most commonly used to address basal and squamous cell carcinoma, it has also been reported as a successful treatment for melanoma and a wide variety of cutaneous malignancies. We discuss a case of atypical cellular neurothekeoma removed with the Mohs technique. Debate in the literature is ongoing regarding the true histogenesis of this rare tumor. Because of this tumor's local destructive behavior and propensity to recur with inadequate resection, we recommend Moths micrographic surgery for the treatment of cellular neurothekeomas.

Marjolin’s ulcer on the nose

Malignancies in scars are generally known as Marjolin’s ulcer. The majority of these arise from burn injuries. Although Marjolin’s ulcer consists of all kinds of skin cancer, squamous cell carcinoma is the main cancer type reported in the literature. The pathogenesis of this tumor is due to chronic irritation of the effected area and mostly involves the extremities and scalp area. This report presents an unusually located and rare type of Marjolin’s ulcer: on the nose and baso-squamotic in type. A 54-year-old man, 33 years after burn, presented with an unhealed ulcer on his nose which had been present for 2 years. The case was managed by tumor excision and a naso-labial transposition flap. To our knowledge, this is the first report of Marjolin’s ulcer developing on post-burned skin of the nose.

Experience with the modified defatted nasolabial transposition flap in nasal reconstruction.

The nasolabial flap is the classic flap for reconstruction of nasal defects. During the last five years we have used a modified nasolabial flap in which the distal part of the flap is defatted leaving only the dermis and epidermis intact. This distal part of the flap is then folded and used as inner or outer lining which creates a reconstruction that is thinner than the original folded flap. We have used this technique in 11 patients and the results are satisfactory, with only three patients requiring minor corrections.

Modified Nasolabial Transposition Flap Provides Vestibular Lining and Cover of Alar Defect With Intact Rim

A 77-year-old woman was seen in consultation for evaluation of several basal cell carcinomas, one of which involved the left nasal ala. Resection of the basal cell carcinoma of the left ala resulted in a perforating wound measuring 3.10 × 2.5 cm. A strip of alar rim 0.2- to 0.3-cm wide was left intact. Various reconstruction options, as well as the possibility of a prosthesis were considered, and the following procedure was carried out. A superiorly based nasolabial flap was designed with sufficient length to provide both external cover and vestibular lining (Fig 1). In planning the procedure, the superior arcuate line was drawn across the flap such that incision of the flap at this point would provide a good fit in the primary defect. Then a second arcuate line was drawn 3 mm distal to the first, equaling the thickness of the alar rim. The flap was incised, elevated,