|LETTER TO EDITOR
|Year : 2008 | Volume
| Issue : 5 | Page : 509-511
Oral-esophageal lichen planus associated with oral squamous cell carcinoma
GP Bombeccari1, F Pallotti2, G Guzzi3, F Spadari1
1 Institute of Dentistry, Department of Oral Pathology and Medicine, University of Milan, Milan, Italy
2 Unit of Anatomical Pathology, IRCCS Maggiore Hospital, Mangiagalli and R. Elena Foundation, Milan, Italy
3 Italian Association for Metals and Biocompatibility Research - A.I.R.M.E.B.; Milan, Italy
G P Bombeccari
Institute of Dentistry, Department of Oral Pathology and Medicine, University of Milan, Milan, Italy, Via Cervino, 30, 24068 Seriate, Bergamo
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Bombeccari G P, Pallotti F, Guzzi G, Spadari F. Oral-esophageal lichen planus associated with oral squamous cell carcinoma. Indian J Dermatol Venereol Leprol 2008;74:509-11
|How to cite this URL:|
Bombeccari G P, Pallotti F, Guzzi G, Spadari F. Oral-esophageal lichen planus associated with oral squamous cell carcinoma. Indian J Dermatol Venereol Leprol [serial online] 2008 [cited 2019 Oct 20];74:509-11. Available from: http://www.ijdvl.com/text.asp?2008/74/5/509/44323
Oral lichen planus (OLP) is a chronic inflammatory mucocutaneous condition which affects approximately 0.2% to 3.8% of the general population, being more frequent in females.  Among OLP cases, only 1% may involve the esophagus.  The rate of malignant transformation in OLP is about 0.4% to 1.74%. 
In May 2004, a 64-year-old Italian woman was referred to our hospital with a history of oral white lesions. Clinical examination showed OLP in her oral cavity with reticular and plaque variants. Bilateral buccal mucosae were affected, particularly on the right side, with evidence of atrophic erosive foci. There were no cutaneous or genital lesions. She had had a sub-total thyroidectomy and suffered from mild hypertension; however, she was not under any medication.
The patient was negative for antibodies to HbsAg and hepatitis C virus. Because of oral lesion extensions accompanied by dysphagia, we performed an endoscopy of the pharynx-esophageal tract. The finding of ulcerative esophagitis necessitated an endoscopic ultrasonography, but there was no evidence of malignancy [Figure 1]. The results of the oral biopsy confirmed the diagnosis of OLP associated with low-degree dysplasia. Therefore, the OLP lesion was subsequently partially removed.
We initiated treatment with a topical corticosteroid and the lesions were examined periodically every 3 months, monitoring the upper digestive tract. During a routine follow-up in February 2006, we performed an oral biopsy and took multiple samples using the toluidine vital staining method. The histopathological report showed a focal severe-degree dysplasia in the right retromolar trigonal region, which was promptly removed.
In May 2006 a new biopsy revealed an oral squamous cell carcinoma (OSCC) on the sublingual area [Figure 2]. The radical removal was carried out after a grade 1 neoplasia staging (according to TNM classification) [Figure 3].
We strongly support the multidisciplinary approach when OLP is associated with esophageal involvement. An esophageal stricture is found in half of these patients, and exceptionally, a squamous cell carcinoma can develop within esophageal lichen planus.  It is important to note that within 2 years of follow-up on diagnosis of OSCC, about 10% of the patients develop a new neoplasia in the gastric-respiratory tract. 
Our case emphasizes that where OLP affects wide areas, multiple biopsy samples and the toluidine vital staining method should be routinely used to assist in the choice of biopsy sites.
Such procedures allow us to select the lesion areas more likely to develop a malignant process. With an early diagnosis during the process of carcinogenesis, we can improve survival rates for patients with oral cancer.
| References|| |
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|2.||Eisen D. The evaluation of cutaneous, genital, scalp, nail, esophageal, and ocular involvement in patients with oral lichen planus. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1999;91:431-6. |
|3.||Van der Meij EH, Schepman PK, Van der Waal I. The possible character of oral lichen planus and oral lichenoid lesions: A prospective study. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2003;96:164-71. |
|4.||Bachmeyer C, Benchaa B, Roauth B, Petitjean S, Danne O, Blum L. Lichen planus: An unusual case of oesophageal stricture. J Eur Acad Dermatol Venereol 2007; [in press]. |
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[Figure 1], [Figure 2], [Figure 3]
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