Malignant melanoma mainly arises in the skin. It represents the leading cause of death from cutaneous malignancy in the United States today.1,2 Fewer than 1% of all reported primary melanomas arise in the oral cavity.3,4 The cutaneous form of this lesion normally is highly visible, with irregular borders and dark pigmentation. However, mucosal melanomas may present a diagnostic challenge for th...

Nevus of Ota is a condition wherein the typical pattern of the bluish black pigmentation is noticed along with the cutaneous distribution of the trigeminal nerve. This condition is most prevalent in Japanese population but comparatively rare among Indians. We report a case of 23-year-old female presented with unilateral pigmented areas over the skin of forehead, malar area, ear and periorbital ...

BACKGROUND Cigarette smoking is a significant risk factor for periodontal disease. It also causes pigmentation of oral mucosa. The present study was aimed to assess the effects of smoking on lip and gingival pigmentation and periodontal status and the relationship between pigmentation and periodontal parameters. METHODS A total of 109 smokers and an equal number of non-smoker controls (mean a...

Amalgam tattoo, the most common exogenous oral pigmentation, can sometimes be confused with melanotic lesions, being then biopsied. We present the clinicopathological characteristics of 6 biopsied cases (5 females and 1 male) of oral amalgam pigmentation. The most common location was the gingival mucosa, followed by the buccal and palatal mucosa. Morphology and distribution (stromal, perivascul...

Acanthosis nigricans is characterized by the triad of papillomatosis, keratin hyperplasia and pigmentation in the skin. It develops in the nape of the neck, axilla and external genitalia in many cases. It was reported, however, that papilloma and hyperplastic epithelial lesions were observed also in the lip, oral cavity, esophagus and anus in some cases (Ueno, 1962). A patient with advanced gas...

Mucosal melanoma of the oral cavity is a rare but highly aggressive neoplasm. However, the clinicians need to be aware of the other and more frequent etiologies of intraoral pigmentation, such as amalgam tattoos. As amalgam has been extensively used for dental restorations and can cause pigmentations in the oral mucosa, this is a differential diagnosis not to be forgotten. We describe the chara...

INTRODUCTION Diode laser with wavelengths ranging from 810 to 980 nm in a continuous or pulsed mode was used as a possible instrument for soft tissue surgery in the oral cavity. DISCUSSION Diode laser is one of laser systems in which photons are produced by electric current with wavelengths of 810, 940 and 980nm. The application of diode laser in soft tissue oral surgery has been evaluated fr...

Human Immunodeficiency Virus infection is one of the major health problems worldwide. CD4+Tcell count and viral load have been used as important laboratory parameters to evaluate antiretroviral treatment eligibility. Eligibility for antiretroviral treatment in HIV infected patients is determined either by CD4 +T cell count of ˂ 200cells/μl or clinical diagnosis of WHO stage 3 or 4. Since labora...

The present report describes a case of Laugier-Hunziker syndrome (LHS), a rare benign condition. A patient with LHS develops acquired melanotic pigmentation of the lips and buccal mucosa, often with pigmentation of the nails occurring. No systemic symptoms are associated with this syndrome. Normally, no treatment is required for this condition, unless for aesthetic reason, mainly due to pigment...