BACKGROUND Benign lichenoid keratosis (BLK, LPLK) is often misdiagnosed clinically as superficial basal-cell carcinoma (BCC), especially when occurring on the trunk. However, BCCs undergoing regression may be associated with a lichenoid interface dermatitis that may be misinterpreted as BLK in histopathologic sections. METHODS In order to assess the frequency of remnants of BCC in lesions int...

background and aims. reactive hyperplastic lesions of the oral connective tissue are associated with injuries of soft tissue and have high prevalence rates and different involvement patterns in different parts of the world. the aim of this study was to analyze demographic data of a university department. materials and methods. patient records of the department of oral pathology during a four-ye...

introduction: the role of laser in conservative management of oral disease is well established. laser procedures are common in the fields of oral surgery, implant dentistry, endodontic, and periodontic therapy. case: this case series describes the use of diode laser for the excision of oral exophytic lesions. all the patients attended the oral medicine department of shahid beheshti university o...

Human oral mucosa is subjected to many noxious stimuli. One of these substances, in those who have restorations, is dental amalgam which contains mercury. This paper focuses on the local toxic effects of amalgam and mercury from dental restorations. Components of amalgam may, in rare instances, cause local side effects or allergic reactions referred to as oral lichenoid lesions (OLLs). OLLs to ...

Paraneoplastic pemphigus is a rare, life-threatening autoimmune mucocutaneous blistering disease associated with underlying neoplasia, commonly lymphoproliferative tumors. Herein we report a case of paraneoplastic pemphigus with a unique autoantibody profile associated with a malignant thymoma. A 56-year-old female patient presented with relapsing oral ulcerations accompanied by erythematous pa...

Concerns over allergic reactions to dental restorative and orthodontic materials have increased in the past few years. The incidence appears to be quite low, but increases with increased quantity and duration of exposure to a causative antigen. In most instances intraoral allergies result in a type IV, delayed contact response that may manifest in various ways including lichenoid reactions, bur...

Lichen planus (LP) is a chronic inflammatory disorder that most often affects middle-aged adults. LP can involve the skin or mucous membranes including the oral, vulvovaginal, esophageal, laryngeal, and conjunctival mucosa. It has different variants based on the morphology of the lesions and the site of involvement. The literature suggests that certain presentations of the disease such as esoph...

Lichenoid and granulomatous dermatitis is a new entity which is histologically defined by a band like lymphocytic infiltration in the upper portion of the dermis with obscuring the dermoepidermal junction and accompanied by basal layer degeneration and granulomatous inflammation. Herein, we presented two Iranian women with similar cutaneous and histopathologic findings. Both patients had asympt...

Abstract Oral cancer may arise from oral leukoplakia and lichenoid mucositis (oral lichen planus lesions) subtypes of potentially malignant disorders. As not all patients will develop in their lifetime, the availability transformation predictive platforms would assist individualized treatment planning formulation optimal follow-up regimens for these patients. Therefore, this study aims to compa...