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Congenital nevus

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https://www.readbyqxmd.com/read/28102445/-congenital-nevus-atypical-spitz-nevus-or-spitzoid-melanoma
#1
A Blum, M Tanaka, K S Kraemer-Schultheiss, J Bauer
No abstract text is available yet for this article.
January 19, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28064423/pathophysiology-diagnosis-and-management-of-glaucoma-associated-with-sturge-weber-syndrome
#2
REVIEW
Usman Javaid, Muhammad Hassaan Ali, Samreen Jamal, Nadeem Hafeez Butt
PURPOSE: Sturge-Weber syndrome (SWS), also known as encephalotrigeminal angiomatosis, is a condition which includes leptomeningeal hemangioma, facial angiomatosis or nevus flammeus, and ocular changes. SWS can lead to severe complications of anterior segment involving conjunctiva and eyelids, whereas posterior segment of the eye may also be affected by diffuse choroidal hemorrhages. This article was written with the objectives to determine the pathophysiology, diagnosis, and treatment of glaucoma associated with this rare and challenging disorder...
January 7, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28045755/nevus-spilus-speckled-lentiginous-nevus-in-the-oral-cavity-report-of-a-case-and-review-of-the-literature
#3
Karen G Torres, Laura Carle, Michael Royer
The congenital melanocytic nevus is a pigmented melanocytic lesion that presents at birth or shortly thereafter. It is commonly described on the skin, usually on the trunk and extremities. Only five intraoral cases of congenital melanocytic nevi have been described in the English literature. A nevus spilus (speckled lentiginous nevus) is a clinical variant of congenital melanocytic nevus. The authors present the case of a 19-year-old male with an intraoral nevus spilus. The anterior mandibular gingiva exhibited multiple speckled, pigmented papules and macules on a thickened, hyperplastic macular background...
January 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28033154/malignant-melanoma-in-association-with-a-thymic-nevus-in-a-patient-with-a-giant-congenital-nevus
#4
Yulia Shvartser-Beryozkin, Alexander Yakobson, Daniel Benharroch, Milton Saute, Meora Feinmesser
Nevi and melanocytic proliferations are known to appear in multiple extracutaneous sites, including lymph nodes and meninges. We report a case of an anterior mediastinal mass in a patient with a giant congenital nevus and neurofibromatosis type I. Histologically, the tumor was found to be a malignant melanoma in the thymus arising in association with a nevus that involved most of the thymic tissue. There was no sign of cutaneous melanoma on skin examination. We suggest that the tumor originated from the benign nevus in the thymus, a rare extracutaneous location for nevi and malignant melanoma...
December 28, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27987336/frequency-of-malformed-infants-in-a-tertiary-center-in-hokkaido-japan-over-a-period-of-10-years
#5
Itaru Hayasaka, Kazutoshi Cho, Yutaka Uzuki, Keita Morioka, Takuma Akimoto, Satoshi Ishikawa, Kohta Takei, Takahiro Yamada, Mamoru Morikawa, Takashi Yamada, Tadashi Ariga, Hisanori Minakami
AIM: This retrospective study was performed to determine the frequency of malformed infants born at a tertiary center in Hokkaido, Japan. The accuracy of prenatal diagnosis rates was also investigated. METHODS: An observational study was performed using data of 1509 and 1743 newborn infants at a single center during two study periods, 2005-2009 (first) and 2010-2014 (second), respectively. Cases including minor anomalies (accessory auricle, nevus and fistula auris congenita) were not included...
December 17, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27984627/-advance-in-research-on-congenital-hemidysplasia-with-ichthyosiform-nevus-and-limb-defects-syndrome
#6
Feng Jing, Dan Yang, Tao Chen, Lipin Liang
Congenital hemidysplasia with ichthyosiform nevus and limb defects (CHILD) syndrome is a rare X-linked dominant and male-lethal multi-system disorder characterized by congenital hemidysplasia, strictly lateralized ichthyosiform nevus and ipsilateral limb defects. CHILD syndrome is caused by mutations of nicotinamide adenine dinucleotide phosphate steroid dehydrogenase-like protein (NSDHL) gene mapped to chromosome Xq28. The gene encodes 3β-hydroxylsterol dehydrogenase, which catalyses a step in the cholesterol biosynthetic pathway...
December 10, 2016: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/27916254/pigmented-oral-compound-nevus-of-retromolar-area-a-rare-case-report
#7
Virender Gombra, Mandeep Kaur, Keya Sircar, Deepika Bablani Popli
Solitary pigmented melanocytic intraoral lesions of the oral cavity are rare. Oral nevus is a congenital or acquired benign neoplasm. Oral compound nevus constitutes 5.9%-16.5% of all oral melanocytic nevi. The oral compound nevus is commonly seen on hard palate and buccal mucosa and rarely on other intraoral sites. The objective of this article is to present a rare case report of oral compound nevus in the retromolar pad region along with a review of literature. A 22 year old female reported with a solitary black pigmented papule at retromolar pad region which was surgically removed and microscopic investigation confirmed the diagnosis of oral compound nevus...
December 2016: Singapore Dental Journal
https://www.readbyqxmd.com/read/27857802/giant-melanocytic-nevi-with-neurocutaneous-melanosis-masquerading-as-neurofibromas
#8
Vykuntaraju K Gowda, Anita Basude, Sahana M Srinivas, Maya Bhat
Neurocutaneous melanosis is congenital melanocytic nevus with neurological manifestations. We report a 4-year-old female child presenting with hyperpigmented and nodular skin lesion associated with developmental delay and convulsions. The child had multiple brownish-black nevi on the face and chest and giant melanocytic nevi on thoraco-abdomen, back, and gluteal region. Computed tomography scan of the brain showed calcification in the pons, right cerebellar hemisphere, and left medial temporal lobe. Skin biopsy done from nodular hyperpigmented site was suggestive of melanocytic nevi...
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27849631/reduced-h3k27me3-expression-is-common-in-nodular-melanomas-of-childhood-associated-with-congenital-melanocytic-nevi-but-not-in-proliferative-nodules
#9
Klaus J Busam, Kara N Shah, Pedram Gerami, Thomas Sitzman, Achim A Jungbluth, Veronica Kinsler
The formation of a nodule within a congenital melanocytic nevus (CMN) raises concerns about possible melanoma. Most new nodular growths that develop during childhood, however, are benign proliferative nodules (PN); melanoma is very rare. The distinction of melanoma from PN can at times be difficult clinically and histopathologically, requiring ancillary molecular tests for diagnosis. Although the application of molecular methods has revealed new insights into the mutational and genomic landscape of childhood melanomas, little is known about epigenetic events that may drive the growth of a melanoma or PN in a CMN...
November 15, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27824229/agminated-congenital-hairy-dysplastic-nevus
#10
Betul Tas, Funda A Saydam, Idris Ersin, Aysel Cağlar
No abstract text is available yet for this article.
December 2016: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/27814406/nevus-spilus-is-the-presence-of-hair-associated-with-an-increased-risk-for-melanoma
#11
Robert M Gathings, Raveena Reddy, Ashish C Bhatia, Robert T Brodell
Nevus spilus (NS), also known as speckled lentiginous nevus, is characterized by background café au lait-like lentiginous melanocytic hyperplasia speckled with small, 1- to 3-mm, darker foci. Nevus spilus occurs in 1.3% to 2.3% of the adult population worldwide. Reports of melanoma arising within hypertrichotic NS suggest that hypertrichosis may be a marker for the development of melanoma. We present a case of a hypertrichotic NS without melanoma and also provide a review of previously reported cases of hypertrichosis in NS...
September 2016: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/27778391/sclerotic-regressing-large-congenital-nevus
#12
Aikaterini Patsatsi, Miltiadis Kokolios, Olga Pikou, Vasilios Lambropoulos, Ioannis Efstratiou, Dimitrios Sotiriadis
Regression of congenital nevi is usually associated with loss of pigment or halo formation. In rare cases, regression is characterized by sclerosis and hair loss. We describe a rare case of a sclerotic hypopigmented large congenital melanocytic nevus in which a localized scleroderma-like reaction process of regression seemed to have started in utero and progressed throughout early childhood.
November 2016: Pediatric Dermatology
https://www.readbyqxmd.com/read/27777480/abdominal-vascular-syndromes-characteristic-imaging-findings
#13
Leandro Cardarelli-Leite, Fernanda Garozzo Velloni, Priscila Silveira Salvadori, Marcelo Delboni Lemos, Giuseppe D'Ippolito
Abdominal vascular syndromes are rare diseases. Although such syndromes vary widely in terms of symptoms and etiologies, certain imaging findings are characteristic. Depending on their etiology, they can be categorized as congenital-including blue rubber bleb nevus syndrome, Klippel-Trenaunay syndrome, and hereditary hemorrhagic telangiectasia (Rendu-Osler-Weber syndrome)-or compressive-including "nutcracker" syndrome, median arcuate ligament syndrome, Cockett syndrome (also known as May-Thurner syndrome), and superior mesenteric artery syndrome...
July 2016: Radiologia Brasileira
https://www.readbyqxmd.com/read/27760649/-clinical-and-pathological-analysis-of-ocular-tumors-in-504-children-cases
#14
Y Zhao, H Zhao, J Y Lin, Y Pan, W J Zhai, Y C Wang
Objective: To analyze the clinical features and pathological classification of chlidren's ocular tumors. Methods: Retrospective case series study. Five hundred and four cases (506 eyes) of ocular tumor with biopsy-proven in children below 14 years old between January 2002 and December 2014 from Tianjin Eye Hospital were performed to retrospectively investigated the lesion location, clinical features and histopathologic classification of these lesions. Results: Of 504 cases there were 246 boys (248 eyes) and 258 girls (258 eyes) patients...
October 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/27720389/expanded-bi-pedicled-sleeve-flap-for-reconstruction-of-the-upper-extremity-after-large-circumferential-nevus-excision-in-children
#15
Yair Shachar, Allan Billig, Katya Chapchay, Jhonatan Elia, Neta Adler, Alexander Margulis
BACKGROUND: Large congenital melanocytic nevi entail significant medical and cosmetic ramifications for patients and families. Reconstruction is a challenging endeavor, especially when the lesion is present on the limbs. The literature describes various methods by which a plastic surgeon can address reconstruction; yet, to date, there has been no series describing a method that provides consistent results with low complication rates. In this study, we describe our surgical technique for reconstruction of the upper extremity after excision of large circumferential CNM with a pre-expanded bi-pedicled flap, namely the "sleeve" flap...
October 5, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27717672/-congenital-kissing-lesions-nevus-or-caf%C3%A3-au-lait-spot
#16
A Durazzo, O Boccara, S Fraitag, T Fusade, A Picard, N Kadlub
INTRODUCTION: "Café au lait" spots (CLS) are pigmented skin lesions principally located at the trunk and the limbs. Histologically, CLSs consist in an excessive pigmentation of the epidermis, with no risk of malignant transformation. The "kissing" nevus is a rare pigmented congenital nevus affecting both lower and upper eyelids in a mirror layout. As other nevi, it presents a theoretical risk of malignant transformation. These two pigmented lesions are responsible for aesthetic discomfort when affecting the face...
December 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
https://www.readbyqxmd.com/read/27699889/reflectance-confocal-microscopy-features-of-regression-in-congenital-nevus-case-report
#17
F Persechino, B De Pace, A M Cesinaro, G Pellacani, F Farnetani
A 26 year old male patient, phototype II, presented with a recently change aspect of an old lesion on the upper trunk. Clinically, the lesion appeared as a papule of 0.6 cm x 0.4 cm in diameter, with unevenly distributed bluish pigmentation, and irregular borders, defined as an ugly duckling. (Fig. 1). This article is protected by copyright. All rights reserved.
October 4, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27607321/genetic-basis-for-vascular-anomalies
#18
REVIEW
A Yasmine Kirkorian, Anna L Grossberg, Katherine B Püttgen
The fundamental genetics of many isolated vascular anomalies and syndromes associated with vascular anomalies have been elucidated. The rate of discovery continues to increase, expanding our understanding of the underlying interconnected molecular pathways. This review summarizes genetic and clinical information on the following diagnoses: capillary malformation, venous malformation, lymphatic malformation, arteriovenous malformation, PIK3CA-related overgrowth spectrum (PROS), Proteus syndrome, SOLAMEN syndrome, Sturge-Weber syndrome, phakomatosis pigmentovascularis, congenital hemangioma, verrucous venous malformation, cutaneomucosal venous malformation, blue rubber bleb nevus syndrome, capillary malformation-arteriovenous malformation syndrome, Parkes-Weber syndrome, and Maffucci syndrome...
September 2016: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/27579751/melanoma-associated-with-congenital-intermediate-common-blue-nevus-of-the-scalp-case-report
#19
Camila Sampaio Ribeiro, Sergio S Serpa, Maria Auxiliadora Jeunon Sousa, Thiago Jeunon
Melanomas can arise either de novo (70%) or from pre-existing melanocytic lesions (30%). Of the latter, most cases arise at the dermoepidermal junction from small congenital or acquired non-blue nevi while only a few arise from blue nevi, notably the cellular subtype and less commonly the common (dendritic) type. Melanomas that arise from blue nevi usually occur on the scalp with greater frequency, as in the case described. Although previous studies have discussed melanoma arising from giant congenital blue nevi, few have discussed those arising from intermediate blue nevi...
July 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/27573553/prepubertal-melanoma-arising-within-a-medium-sized-congenital-melanocytic-nevus
#20
Leah Lalor, Klaus Busam, Kara Shah
We report the case of an 8-year-old child who developed a 9.4-mm-deep melanoma within a medium-sized congenital melanocytic nevus on the scalp. Genetic analysis revealed an activating NRAS Q61R mutation within the melanoma, which is more commonly associated with large or giant congenital melanocytic nevi. This case demonstrates that even a "low-risk" congenital melanocytic nevus at a "low-risk" age must be monitored regularly for the development of malignancy.
November 2016: Pediatric Dermatology
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