Malignant cellular blue nevus (MCBN) is a rare entity due to the malignant transformation of a preexisting cellular blue nevus (CBN). Objective and Methods: The clinical and pathologic features of 6 patients with MCBN are described. Results: Three tumors were located on the scalp, 2 on the...
Encyclopedia ma·lig·nant (mə-lĭg′nənt) adj. 1.Medicine a.Tending to metastasize:a malignant tumor. b.Virulent or threatening to life:a malignant disease. 2.Having or showing ill will; malicious:malignant thoughts. ma·lig′nant·lyadv. ...
Cellular blue nevus The most common subtype of blue nevus is the cellular variant, as first described by Darier.9 Cellular blue nevi are most commonly diagnosed in adults younger than 40 years, but they can be seen at any age. Females are more frequently affected than males by a ratio of...
Clinical findings Abdominal distension, weight gain, indigestion, dyspnea, orthopnea, tachypnoea, intestinal obstruction with nausea, vomiting. Aetiology Ovarian, breast, gastric, pancreatic, hepatic, and colorectal carcinomas, lymphoma, mesothelioma. ...
A malignant blue nevus of the dorsum of the hand and a review of the literature is reported. Histopathologic examination showed the presence of a blue nevus and a cellular blue nevus, as well as a malignant blue nevus. The cellular blue nevus elements of the lesion showed the characteristic ...
Histology of the primary tumor lacked a junctional component and showed a typically biphasic pattern in the degree of pigmentation similar to a cellular blue nevus (BN). One pattern showed nests of less-pigmented, oval-shaped cells with a fairly uniform appearance, and the other pattern showed ...
Malignant Melanoma Arising From Unusual Conjunctival Blue Nevus Cellular blue nevus is an uncommon pigmented tumor in the conjunctiva, where it generally appears as a deep, circumscribed, pigmented conjunctival mass. We... Demirci,Hakan - 《Archives of Ophthalmology》 被引量: 405发表: 2000年 Bulbar...
The histological differential diagnosis between melanotic schwannoma, primary leptomeningeal melanocytic lesions and cellular blue nevus can be challenging... Heidi V. N. Küsters-Vandevelde,Ilse A. C. H. van Engen-van Grunsven,B Küsters,... - 《Acta Neuropathologica》 被引量: 39发表: 2010年...
The tumor or nevus was macro-dissected from the slide in cases in which the sample contained normal tissues as well, based on demarcations delineated by the pathologist. All Nevi were benign, intradermal, some with congenital features. The melanoma samples were of superficial spreading histology (...
proteins and affects the synthesis of the nucleic acids that in turn impairs cell differentiation and proliferation [107–110]. A further increase in the temperature (above 50 °C), that is employed for thermal ablation, results in irreversible cellular damage due to coagulation and necrosis [68...