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DOI: 10.5999/aps.2013.40.2.155
Squamous Cell Carcinoma on the Upper Lip of a Patient with Discoid Lupus Erythematosus
Discoid lupus erythematosus (DLE) is a chronic autoimmune mucocutaneous disease with an unknown etiology. Typically, central atrophy, small white keratinized plaques with elevated borders, and telangiectasia are seen in patients with DLE. Lesions are found on the oral cavity in 20% of patients with DLE, and upper lip involvement occurs in less than 3% of the oral cavity lesions [[1] [2]]. Squamous cell carcinoma (SCC) developing in a lesion of DLE is very rare, and is extremely rare on the upper lip [[2]].
A 49-year-old male patient with a recurrent oral ulcer had been diagnosed with DLE 9 years earlier. Multiple recurrent crusted ulcerative plaques had developed along the upper lip vermillion 7 years earlier. A protruding mass lesion had occurred at the right upper lip 1 year before presentation to our institution, and a wedge resection of the lesion was performed promptly. The lesion was confirmed to be verruca vulgaris. On serial follow-up, the fast growing mass that was confirmed as SCC in the left upper lip had a concurrently expending crusted lesion, which was confirmed to be keratoacanthoma in the right upper lip. The affected area of the carcinoma was about 4.0×2.2 cm, horizontally occupying about 70% of the upper lip, and vertically occupying 80% ([Fig. 1]). Several enlarged lymph nodes of both submental areas were found using preoperative magnetic resonance imaging. A full thickness defect of 5.5×2.5 cm had developed after a wide excision, and bilateral functional cervical lymph node dissection was performed by the head and neck surgery team ([Fig. 2]).




A bilateral nasolabial orbicularis oris myocutaneous flap was designed and elevated adjacent to both sides of the upper lip defect, along the course of the angular vessel and the remaining orbicularis oris muscle. The near-total upper lip defect was covered successfully by rotation and advancement of the island flap. The remaining mucosal defect was covered with a full-thickness skin graft from triangularly shaped skin, which was located on the lateral side of the alar base ([Fig. 3]).


There were no significant postoperative complications. Oral competence was excellent and sensation was preserved. There was no microstomia, and the patient was satisfied with the results ([Fig. 4]).


SCC is a rare complication of long-standing DLE. The overall incidence of SCC in DLE has been reported to be 3.3% [[1]]. The lower lip has been the most commonly affected area in DLE and DLE-related malignant transformation, while the upper lip has been affected in 2.3% of DLE-related SCC [[1] [2]]. It has been reported that ultraviolet irradiation, chronic infection, scars, and long-term immunosuppressive status are possible predisposing factors for the development of SCC in DLE [[1] [2] [3] [4]].
The diagnosis of SCC can be clinically suggestive, but it is essential for SCC to be histologically confirmed. Asanafi and Werth [[4]] suggested that a diagnosis should only be made after repeated biopsies and careful reevaluation of the course of a specific lesion in relationship to the lupus skin lesions in a patient because differentiating between hypertrophic DLE and SCC can be difficult both clinically and histologically. Our patient was also histologically diagnosed with verruca vulgaris before diagnosis of SCC.
DLE-related SCCs have been observed to be more aggressive than conventional SCCs [[1]]. The recurrence, metastasis, and mortality rates were 10% to 20% higher than that of non-DLE-related SCCs [[3]]. Therefore, aggressive therapy is warranted, and a near-total upper lip defect is an inevitable consequence.
The reconstructive method for the upper lip should be chosen in consideration of the orbicularis sphincter function and aesthetic outcomes. Considering these factors, the nasolabial orbicularis oris myocutaneous island flap [[5]] was a suitable choice for our patient. The known advantages of this flap are an easy design with a wide range of coverage ability, a good color, texture match, and thickness of the skin, maintenance of symmetry, and balance of the lip and commissures [[5]]. The scars in our patient were inconspicuous due to their locations over the borders of the natural esthetic subunits and also because of the migrated new mustache that developed.
We report a rare case of SCC arising from DLE, involving the upper lip. A bilateral nasolabial orbicularis oris myocutaneous island flap is a readily available flap for total upper lip reconstruction.
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Conflict of Interest
No potential conflict of interest relevant to this article was reported.
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REFERENCES
- 1 Millard LG, Barker DJ. Development of squamous cell carcinoma in chronic discoid lupus erythematosus. Clin Exp Dermatol 1978; 3: 161-166
- 2 Liu W, Shen ZY, Wang LJ. et al. Malignant potential of oral and labial chronic discoid lupus erythematosus: a clinicopathological study of 87 cases. Histopathology 2011; 59: 292-298
- 3 Handlers JP, Abrams AM, Aberle AM. et al. Squamous cell carcinoma of the lip developing in discoid lupus erythematosus. Oral Surg Oral Med Oral Pathol 1985; 60: 382-386
- 4 Alsanafi S, Werth VP. Squamous cell carcinomas arising in discoid lupus erythematosus scars: unusual occurrence in an African-American and in a sun-protected area. J Clin Rheumatol 2011; 17: 35-36
- 5 Yotsuyanagi T, Yokoi K, Urushidate S. et al. Functional and aesthetic reconstruction using a nasolabial orbicularis oris myocutaneous flap for large defects of the upper lip. Plast Reconstr Surg 1998; 101: 1624-1629
Correspondence
Publication History
Received: 20 September 2012
Accepted: 01 December 2012
Article published online:
01 May 2022
© 2013. The Korean Society of Plastic and Reconstructive Surgeons. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonCommercial License, permitting unrestricted noncommercial use, distribution, and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes. (https://creativecommons.org/licenses/by-nc/4.0/)
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REFERENCES
- 1 Millard LG, Barker DJ. Development of squamous cell carcinoma in chronic discoid lupus erythematosus. Clin Exp Dermatol 1978; 3: 161-166
- 2 Liu W, Shen ZY, Wang LJ. et al. Malignant potential of oral and labial chronic discoid lupus erythematosus: a clinicopathological study of 87 cases. Histopathology 2011; 59: 292-298
- 3 Handlers JP, Abrams AM, Aberle AM. et al. Squamous cell carcinoma of the lip developing in discoid lupus erythematosus. Oral Surg Oral Med Oral Pathol 1985; 60: 382-386
- 4 Alsanafi S, Werth VP. Squamous cell carcinomas arising in discoid lupus erythematosus scars: unusual occurrence in an African-American and in a sun-protected area. J Clin Rheumatol 2011; 17: 35-36
- 5 Yotsuyanagi T, Yokoi K, Urushidate S. et al. Functional and aesthetic reconstruction using a nasolabial orbicularis oris myocutaneous flap for large defects of the upper lip. Plast Reconstr Surg 1998; 101: 1624-1629







