نتایج جستجو برای: blue rubber bleb nevus syndrome

تعداد نتایج: 718390  

  Absract   Intracranial invasion of cellular blue nevus (CBN) from the skin is extremely rare   and such a condition with malignant transformation is even rarer. A case of   meningeal melanoma with malignant transformation which was derived from an Ota   nevus is presented in this report.   A21-year-old man with a neurocutaneous syndrome since childhood was referred   with headache and mild le...

2017
Ana Helena Kalies Oliveira Patrícia de Carvalho Sotero Ana Flávia de Melo Cavalcanti Shiraishi Rafael Fantelli Stelini Bogdana Victoria Kadunc Cínthia Mendes

Blue nevus is a benign melanocytic lesion, typically asymptomatic and of unknown etiology. Many histological subtypes are recognized, the most commons being: common blue nevus, cellular blue nevus, and combined blue nevus. New rare variants have been described in the literature, with emphasis on eruptive blue nevus, plaque, agminate, linear, with satellitosis, disseminated, familial and targeto...

2017
Luise Ribeiro Daltro Lygia Bertalha Yaegashi Rodrigo Abdalah Freitas Bruno de Carvalho Fantini Cacilda da Silva Souza

Blue nevus is a benign melanocytic lesion whose most frequent variants are dendritic (common) blue nevus and cellular blue nevus. Atypical cellular blue nevus presents an intermediate histopathology between the typical and a rare variant of malignant blue nevus/melanoma arising in a cellular blue nevus. An 8-year-old child presented a pigmented lesion in the buttock since birth, but with progre...

Journal: :Annals of dermatology 2010
Hye Young Lee So Young Na Young Min Son Hong Kyu Kang Jin Ok Baek Jong Rok Lee Joo Young Roh

Blue nevi are characterized by a collection of pigment-producing melanocytes in the dermis. These lesions clinically present as well demarcated cerulean-blue or bluish black colored papules or plaques that usually measure less than 1 cm in diameter. They are typically found on the dorsal surface of the hands and feet or in the head and neck region; however, they are rarely found in the oral cav...

2013
Nozomi Yonei Ayako Kimura Fukumi Furukawa

Malignant blue nevus is rare, and a common blue nevus rarely needs a differential diagnosis from malignant melanoma. Although a melanocytic nevus with a satellite lesion is usually suggestive of a peripherally disseminating malignant melanoma, very few cases of blue nevus with satellite lesions have been reported thus far. To our knowledge, this is the seventh case of a blue nevus with satellit...

Journal: :Histology and histopathology 1991
S Boi M Barbareschi E Vigl M Cristofolini

Malignant blue nevus is a rare melanotic tumor of the skin arising from a pre-existing blue nevus. To date only few cases have been reported. The diagnosis of malignant blue nevus is frequently difficult. Generally accepted criteria do exist, but their application may be controversial. The present paper reports four new cases of malignant blue nevus with follow-up of 3-5 years. Our present data...

Journal: :iranian journal of pathology 2015
shaila talengala bhat archana shivamurthy anuradha calicut kini rao

blue nevi are uncommon, asymptomatic lesions of the uterine cervix. these lesions are not often detected clinically or on colposcopy. careful histopathological examination is required. the nevus cells are said to originate from the immature melanoblasts of the neural crest. these lesions need to be differentiated from malignant melanoma and melanosis of the cervix. we present here a case report...

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