منابع مشابه
Primary duodenal malignant melanoma: A case report
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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Rationale: The primary adrenal melanoma (PAM) was an extremely rare occurrence, which was demonstrated as the few cases described in the medical literature. Patient concerns: We reported a 58-year-old man who was admitted to hospital because of intermittent left flank pain which lasted for a month. The renal computed tomography (CT) scan showed that a large retroperitoneal tumor measuring 15.5c...
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Primary intracranial melanomas are uncommon and constitute approximately 1% of all melanoma cases and 0.07% of all brain tumors. In nature, these primary melanomas are very aggressive and can spread to other organs.We report an uncommon case of primary cerebral malignant melanoma-a challenging diagnosis guided by clinical presentations, radiological features, and surgical biopsy results, aiming...
متن کاملPrimary malignant melanoma
Malignant melanomas (MM) of the oral cavity are extremely rare, accounting for 0.2% to 8.0% of all malignant melanomas. Malignant melanomas is more frequently seen at the level of the hard palate and gingiva. Early diagnosis and treatment are important for reducing morbidity. Malignant melanoma cells stain positively with antibodies to human melanoma black 45, S-100 protein, and vimentin; there...
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The first case of extracutaneous melanoma was described in Germany (1856) and up until 2001 approximately 1000 cases had been published. These are rare lesions, representing about 0.09% of the extracutaneous malignant neoplasias1. In the orbit, it is frequently secondary to invasions by conjunctiva, choroid melanomas or from adjacent regions, or blood-born metastases. The primary orbital melano...
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ژورنال
عنوان ژورنال: Saudi Medical Journal
سال: 2016
ISSN: 0379-5284,1658-3175
DOI: 10.15537/smj.2016.4.15017