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Congenital nevus

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https://www.readbyqxmd.com/read/28425690/what-s-new-with-common-genetic-skin-disorders
#1
Janice E Ma, Jennifer L Hand
Familiar genetic disorders such as neurofibromatosis type I (NF1), tuberous sclerosis complex (TSC), oculocutaneous albinism (OCA), basal cell nevus syndrome (BCNS), incontinentia pigmenti, ichthyosis, and epidermolysis bullosa (EB) have prominent, cutaneous manifestations. This review describes recent advances in knowledge concerning the pathophysiology, diagnosis, and treatment of these skin features. Specifically, clinical diagnostic criteria for incontinentia pigmenti, ichthyosis, and tuberous sclerosis have been updated...
April 20, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28419495/giant-proliferating-trichilemmal-cyst-arising-from-a-nevus-sebaceus-growing-for-thirty-years
#2
Scott F Lindsey, Divya Aickara, Alexandra Price, Janelle Pavlis, Erin X Wei, George Elgart, Jeong Hee Cho-Vega
Nevus sebaceus of Jadassohn, a congenital cutaneous hamartoma, has the potential to develop into various epidermal adnexal-origin neoplasms. While the most common neoplasms are trichoblastoma or syringocystadenoma, proliferating trichilemmal cysts are exceptionally rare. We report a case of a 63-year-old Cuban male with a giant proliferating trichilemmal cyst arising from a nevus sebaceus on the right shoulder which had been growing for 30 years. Proliferating trichilemmal cysts arising from nevus sebaceus cases are difficult to diagnose clinically and histologically since they are very rare and have not been defined by exact diagnostic criteria...
April 17, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28405086/evaluation-and-management-of-an-unusual-congenital-nevus
#3
K Blaire Kerwin, M Alan Menter
Abnormal findings on routine skin exams are common and can be a source of unnecessary medical workup if a clinician is unfamiliar with the finding. Sebaceous nevi are rare skin lesions that are most often benign but may be associated with a multiorgan syndrome or local skin cancer. Dermatologists and primary care physicians may encounter these on routine exams and thus must be comfortable with diagnosis and management. We present the clinical characteristics of a benign sebaceous nevus to help aid in diagnosis of these lesions and outline suggestions for appropriate management options...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28401074/proteus-syndrome-with-arteriovenous-malformation
#4
Ali Asilian, Atefeh Sadat Kamali, Nabet Tajmir Riahi, Neda Adibi, Fatemeh Mokhtari
Proteus syndrome is a rare sporadic disorder that appears with localized macrosomia, congenital lipomatosis, and slow flow vascular malformations, connective tissue nevus, and epidermal nevus. There are usually some manifestations at birth. The vascular abnormalities that have been reported in Proteus syndrome are capillary and slow flow venous malformation. We report a case of a 10-year-old boy with confirmed Proteus syndrome characterized by high flow vascular malformation (arteriovenous [AV] malformation) unlike the usual vascular malformations seen in this syndrome...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28329507/giant-benign-intradermal-melanocytic-nevus-of-rapid-onset
#5
Sarah J Coates, Andrew Avarbock, Garrett T Desman
Benign melanocytic nevi are slowly growing acquiredor congenital tumors with varied morphology,commonly encountered in dermatology clinics. Anytumor with rapid clinical growth must be assessedcarefully in order to exclude malignancy. We report awoman with a histopathologically benign intradermalnevus that presented as a rapidly evolving largecutaneous mass on the ear. Owing to the discrepancybetween the clinical and histopathological findings,an extensive histopathological work-up involvingmany deeper sections, immunohistochemical stains,and fluorescent in situ hybridization (FISH) analysiswas conducted in order to rule out malignancy...
February 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28319285/colour-doppler-ultrasound-early-diagnoses-simulator-of-proliferative-nodule-in-congenital-melanocytic-nevus
#6
LETTER
P Giavedoni, L Aranibar, X Wortsman
No abstract text is available yet for this article.
March 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28302248/ocular-features-in-a-case-of-nevus-of-ota
#7
Murtaza Sameen Junejo, Muhammad Saim Khan, Ahsan Mukhtar
Oculodermal melanocytosis, also known as Nevus of Ota, is a hamartomatous melanocytic nevus of dermal melanocytes. It presents as a bluish grey patch on the face, which may be congenital or acquired involving the area of distribution of the ophthalmic and maxillary branches of the trigeminal nerve. The nevus can be unilateral or bilateral, and, in addition to skin, it may involve ocular and oral mucosal surfaces. It is a rare disorder and the ocular complications, such as glaucoma and melanoma, may be vision or life-threatening...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28300889/elastoma-clinical-and-histopathological-aspects-of-a-rare-disease
#8
Marina Gagheggi Maciel, Milvia Maria Simões E Silva Enokihara, Maria Bandeira de Melo Paiva Seize, Aline Pantano Marcassi, Christiane Affonso De Donato Piazza, Silmara da Costa Pereira Cestari
Elastoma is a connective tissue nevus characterized by changes in elastic fibers. It can be congenital or acquired, and is usually diagnosed before puberty. Associated with osteopoikilosis, it is known as Buschke-Ollendorff syndrome. Histopathology with specific staining for elastic fibers is critical for a diagnostic conclusion. This report describes the case of a 7-year-old male patient with lesions diagnosed as elastoma, with absence of bone changes in the radiological imaging. This study aims to report the clinical presentation and histological examination of such unusual disease...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28296519/congenital-melanocytic-nevus-on-the-lower-eyelid-treated-with-continuous-wave-and-superpulsed-co2-laser-followed-by-erbium-laser
#9
Vito Abrusci, Valentina Benzecry
There are several therapeutic options to treat congenital melanocytic nevi. The motivations for the treatment of small- to medium-sized congenital nevi located on the face or other sensitive areas are frequently cosmetic. The choice of therapy depends on the operator's expertise and on the likelihood of improved cosmesis. We report a case of a medium-sized congenital nevi located on the lower eyelid, successfully treated with a combination of ablative lasers with a single surgical procedure. We achieved an excellent clinical and cosmetic result...
February 17, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28254210/giant-congenital-melanocytic-nevus-presenting-as-a-huge-vulvar-mass-a-rare-case
#10
Manu Goyal, Alka Kriplani, Reeta Mahey, Garima Kachhawa, Rajni Yadav, Geetika Singh
No abstract text is available yet for this article.
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28248717/mass-spectrometry-imaging-can-distinguish-on-a-proteomic-level-between-proliferative-nodules-within-a-benign-congenital-nevus-and-malignant-melanoma
#11
Rossitza Lazova, Zhe Yang, Constantin El Habr, Young Lim, Keith Adam Choate, Erin H Seeley, Richard M Caprioli, Li Yangqun
Histopathological interpretation of proliferative nodules occurring in association with congenital melanocytic nevi can be very challenging due to their similarities with congenital malignant melanoma and malignant melanoma arising in association with congenital nevi. We hereby report a diagnostically challenging case of congenital melanocytic nevus with proliferative nodules and ulcerations, which was originally misdiagnosed as congenital malignant melanoma. Subsequent histopathological examination in consultation by one of the authors (R...
February 20, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28239913/-sky-full-of-stars-pattern-dermoscopic-findings-in-a-desmoplastic-giant-congenital-melanocytic-nevus
#12
Pablo Martín-Carrasco, José Bernabeu-Wittel, Javier Dominguez-Cruz, Teresa Zulueta Dorado, Julian Conejo-Mir Sanchez
Desmoplastic giant congenital melanocytic nevus (DGCN) is an uncommon variant of congenital nevus, presenting as a progressive induration and hypopigmentation of the lesion that occasionally causes hair loss and even total or partial disappearance of the nevus. A 6-month-old girl with a giant congenital melanocytic nevus that involved the entire posterior side of the right thigh was seen in our department. Nine months later, the peripheral area of the nevus presented as a marked induration with hypopigmentation...
February 27, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28223745/intense-pulsed-light-alone-and-in-combination-with-erbium-yttrium-aluminum-garnet-laser-on-small-to-medium-sized-congenital-melanocytic-nevi-single-center-experience-based-on-retrospective-chart-review
#13
Mi So Lee, Hee Jin Jun, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim
BACKGROUND: Treatment of congenital melanocytic nevi (CMN) with intense pulsed light (IPL) has recently produced promising results. OBJECTIVE: To evaluate the clinical and histological outcomes of small-to-medium sized CMN treated with IPL alone and in combination with erbium: yttrium-aluminum-garnet (Er: YAG) laser. METHODS: We performed a retrospective chart review of 26 small-to-medium sized CMN treated as described above. The reduction in visible pigmentation, signs of recurrence and any adverse skin changes were evaluated by two independent clinicians...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28223743/dermoscopic-features-of-small-medium-and-large-sized-congenital-melanocytic-nevi
#14
Fatma Pelin Cengiz, Nazan Emiroglu, Dilek Biyik Ozkaya, Ozlem Su, Nahide Onsun
BACKGROUND: Congenital melanocytic nevi (CMN) are present at birth. It is well known that the presence of large-sized congenital nevus in early life could predict a major risk of developing melanoma. OBJECTIVE: To investigate the clinical and dermoscopic features of the CMN, to search for and highlight any differences between small-sized, medium-sized, large-sized CMN. METHODS: A nonrandomized observational study was performed. A total of 108 melanocytic nevi were analysed by clinical and dermoscopic examination...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28110826/congenital-melanocytic-nevus-syndrome-a-case-series
#15
A Recio, A I Sánchez-Moya, V Félix, Y Campos
Congenital melanocytic nevus syndrome (CMNS) is the result of an abnormal proliferation of melanocytes in the skin and central nervous system caused by progenitor-cell mutations during embryonic development. Mutations in the NRAS gene have been detected in many of these cells. We present 5 cases of giant congenital melanocytic nevus, 3 of them associated with CMNS; NRAS gene mutation was studied in these 3 patients. Until a few years ago, surgery was the treatment of choice, but the results have proved unsatisfactory because aggressive interventions do not improve cosmetic appearance and only minimally reduce the risk of malignant change...
January 19, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28102445/-congenital-nevus-atypical-spitz-nevus-or-spitzoid-melanoma
#16
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
#17
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
#18
REVIEW
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
#19
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
#20
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
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