Ras Gene Mutation: A Rare Event in Nonmetastatic Primary Malignant Melanoma
نویسندگان
چکیده
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...
متن کاملVaginal Primary Malignant Melanoma: A Rare and Aggressive Tumor
Vaginal primary malignant melanoma is a rare and very aggressive tumor. It most commonly occurs in postmenopausal women, with a mean age of 57 years. Our patient is an 80-year-old, postmenopausal Greek woman presented with a complaint of abnormal vaginal bleeding. On gynecologic examination there was a pigmented, raised, ulcerated, and irregular lesion 5 × 4.5 cm in the upper third of anterior ...
متن کاملPrimary Malignant Parotid Melanoma: Searching for a Rare Entity
Objectives: The aim of this paper is to establish a correct approach to the diagnosis of a primary malignant melanoma of the parotid gland. Methods: We present a case of a patient with a painless mass situated in the left parotid region after an initial cytological and radiological study suggesting a Warthin tumor whose treatment involved a total parotidectomy with a facial nerve reconstruction...
متن کاملPrimary mucosal malignant melanoma of nasopharynx: a rare case report.
Mucosal malignant melanoma (MMM) of the nasopharynx is extremely rare. We report a case of MMM of the nasopharynx in a 56-year-old male patient presenting with a polypoidal mass in the nasopharynx. It was increasing gradually and obstructing breathing. Computed tomography scan was suggestive of a malignant neoplasm in the nasopharynx. A biopsy of the lesion was done with a clinical suspicion of...
متن کاملPrimary malignant melanoma of the epiglottis: a rare presentation.
Primary malignant melanoma of the epiglottis is extremely rare. Until now, only 4 cases have been reported in the world literature. We describe a new case of epiglottic primary malignant melanoma in a 74-year-old man who presented with hoarseness and a foreign-body sensation. Clinical examination revealed the presence of a small, whitish, polypoid tumor on the laryngeal surface of the epiglotti...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1995
ISSN: 0022-202X
DOI: 10.1111/1523-1747.ep12607039