منابع مشابه
Intraoral malignant melanoma
A 26 yr old female presented to the Faculty of Dental Sciences, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India, in September 2015, with black discolouration of her upper gums both on labial and palatal sides. According to the patient this was present for the past four months. There was no history of smoking and drinking. A diffuse black pigmentation on the labial and p...
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Background: Melanoma is a neoplasm derived commonly from melanocytic cells of skin. Although coetaneous presentation of malignant melanoma is easily recognizable, the presentation of melanoma in other organs is so confusing. In particular, when it metastasizes to other organs, many bizarre figures and unusual organs may be involved. In this report, we present a case of primary duodenal malignan...
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Sinus mucosal malignant melanoma, is a rare type of melanoma with poor prognosis which is usually occurred in the adults. This is a rare case of a 33-year-old man presenting 2-week-long headache and nasal obstruction with the emphasis on the importance of Immunohistochemical staining to help the diagnosis.
متن کاملA Case of Amelanotic Malignant Melanoma of the Maxillary Sinus Presented with Intraoral Extension.
Melanoma of the sinonasal cavity has a high incidence of amelanotic presentation. Its diagnosis is difficult for clinicians and pathologists because of its hidden location and lack of pigmentation at the microscopic level. We reported a case of amelanotic melanoma of the maxillary sinus that showed aggressive extension to the oral cavity after extraction of the maxillary tooth. Histologically, ...
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Pigmented Bowens disease is an in situ squamous cell carcinoma, which is seldom reported in white patients. Herein we report a 20-year-old woman with type III skin, who had this lesion on the fourth finger of her right hand, similar to superficial malignant melanoma, clinically. Although dermoscopic evaluation could be helpful, correct diagnosis of non-melanotic origin is done by histological e...
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ژورنال
عنوان ژورنال: Nigerian Medical Journal
سال: 2013
ISSN: 0300-1652
DOI: 10.4103/0300-1652.119667