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Seborrheic keratosis

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https://www.readbyqxmd.com/read/28329637/dermatological-screening-of-an-elderly-population-the-rotterdam-study
#1
Martijn G H Sanders, Joris A C Verkouteren, Luba M Pardo
BackgroundThe recent WHO burden of disease project showed that the non-fatal skin disease related burden is high, but also that prevalence rates of many common skin diseases are not well documented. The aim of this study is to give an overview of (untreated) skin diseases in a population based sample of elderly.MethodsIn 2010, a full body skin examination (FBSE) was embedded in the Rotterdam Study, a prospective population based cohort study of an elderly white-skinned population in the Netherlands. The examination was conducted by a dermatology-trained physician and focused on most common skin diseases (e...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329595/pigmented-lesion-of-the-nipple-a-clinicopathological-challenge
#2
Júlia Vide, Artur César, Pedro Rodrigues Pereira, Filomena Azevdo
Differential diagnoses of pigmented lesions of the nipple include melanocytic nevus, melanosis of the nipple, seborrheic keratosis, pigmented basal cell carcinoma, melanoma and Paget disease. The histologic exam with appropriate immunohistochemistry is a fundamental tool to achieve a correct diagnosis. We present a patient with a pigmented lesion of her right nipple revealing mammary Paget disease and elucidate diagnostic obstacles and prognostic importance of early breast cancer detection.
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28272654/multiple-pigmented-seborrheic-keratosis-with-sebaceous-differentiation-a-case-report
#3
R Vimal Chander, P Jajaganesh, Ganthimathy Sekhar, S Chitra
Seborrheic keratosis is a benign lesion that is common in the trunk and head and neck regions. It shows a considerable variety of histological appearances leading to different variants. The presence of sebaceous differentiation in seborrheic keratosis is very rare and can histologically mimic benign and malignant tumors with sebaceous differentiation. We present a case of a 65-year-old male presenting with multiple nodules over the right and left sides of neck and the right preauricular region, histopathological examination of which revealed multiple pigmented seborrheic keratoses with sebaceous differentiation...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28270317/white-papules-on-the-backs-of-a-middle-aged-man-and-his-son
#4
Fiona Fang, Dustin Larsen, Barbara Wilson
A middle-aged man came in for evaluation of "white spots" on his upper body. The number of lesions had increased progressively over the past 20 years but were asymptomatic. The patient expressed concern that his young son had recently developed similar lesions on the upper part of his back. Physical examination revealed numerous, slightly elevated, flat-topped papules scattered over the back, chest, and upper extremities (Figure 1). Each 4- to 6-mm papule was oval or round, ivory white, with a cobblestone surface...
2017: Skinmed
https://www.readbyqxmd.com/read/28238461/-increased-glucose-uptake-by-seborrheic-keratosis-on-pet-scan
#5
C Merklen-Djafri, P Truntzer, S Hassler, B Cribier
BACKGROUND: Positron emission tomography (PET) is an examination based upon the uptake of a radioactive tracer by hypermetabolic cells. It is primarily used in tandem with tomodensitometry (PET-TDM) for cancer staging because of its high sensitivity and specificity for the detection of metastases. However, unusually high uptake may occur with benign tumours, including skin tumours. Herein, we report an extremely rare case of pathological uptake levels resulting from seborrhoeic keratosis...
February 23, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28162852/the-role-of-immunosuppression-in-squamous-cell-carcinomas-arising-in-seborrheic-keratosis
#6
Ruzica Z Conic, Karl Napekoski, Heidi Schuetz, Melissa Piliang, Wilma Bergfeld, Natasha Atanaskova Mesinkovska
BACKGROUND: Seborrheic keratoses (SK) are common skin neoplasms considered to be benign. Reports of associated squamous cell carcinoma arising within seborrheic keratosis (SCC-SK) have been described. OBJECTIVE: To describe the histopathologic characteristics of SCC-SK and identify predisposing factors in formation of these rare lesions. METHODS: There were 162 cases of SCC-SK in a span of a decade (2003-2014). All of the histopathologic specimens and medical records were reviewed...
February 2, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28132411/a-case-report-of-disappearing-pigmented-skin-lesions-associated-with-pembrolizumab-treatment-for-metastatic-melanoma
#7
Z J Wolner, A A Marghoob, M P Pulitzer, M A Postow, M A Marchetti
Pembrolizumab is an immune checkpoint inhibitor that targets the programmed cell death (PD)-1 receptor. Common cutaneous adverse side effects of PD-1 inhibitors include maculopapular rash, pruritus, vitiligo, and lichenoid skin and mucosal reactions. Here, we describe a man in his sixties with metastatic melanoma treated with pembrolizumab who subsequently developed fading or disappearance of pigmented skin lesions, lightening of the skin, and poliosis of the eyebrows, eyelashes, and scalp and body hair. Compared to baseline high-resolution three-dimensional total body photography, we observed fading or disappearing of solar lentigines, seborrheic keratoses, and melanocytic naevi, suggesting that PD-1 inhibitors may affect the evolution of these benign skin lesions...
January 28, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28107605/creating-immunocompromised-districts
#8
K Ramey, J Ibrahim, R T Brodell
We read the letter to the editor, Viral warts and seborrheic keratosis on tattoos: a review of 9 cases with great interest.(1) Dermatologists see only what they know! Once we recognized the possibility that warts might grow preferentially in black and blue tattoo dye, we collected 7 cases over a 10-year period from one solo private practice. In this report, a patient with a pre-existing viral wart on skin adjacent to a new tattoo appears to have preferentially spread onto the immunocompromised district (Ruocco, 2009)(2) created by black ink nanoparticles...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107597/viral-warts-and-seborrheic-keratoses-on-tattoos-a-review-of-9-cases
#9
Nicolas Kluger
We wish to add to the recent article by Ramley et al(1) our experience on 8 cases of viral warts and one case of seborrheic keratosis (SK) on tattoos. Those cases were collected with the help of dermatologists and family doctors between 2007 and 2016. We reviewed the demographic data, delay of onset after tattooing, clinical presentation and outcomes whenever possible. The number of lesions was counted manually from the available pictures. This article is protected by copyright. All rights reserved.
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28105724/intraepidermal-proliferation-of-merkel-cells-within-a-seborrheic-keratosis-merkel-cell-carcinoma-in-situ-or-merkel-cell-hyperplasia
#10
Jeanne McFalls, Lauren Okon, Sarah Cannon, Jason B Lee
Intradepidermal proliferation of Merkel cells without any dermal component has been interpreted as either a hyperplastic process secondary to chronic ultraviolet radiation (UVR) or a neoplastic process, namely, Merkel cell carcinoma (MCC) in-situ. The recent criteria that have been proffered to diagnose MCC in-situ, unfortunately, are identical to those that have been applied to Merkel cell hyperplasia in the past, posing a diagnostic quandary when faced with an intraepidermal proliferation of Merkel cells...
January 20, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27990390/nekam-s-disease
#11
Chintaginjala Aruna, D V S B Ramamurthy, T Neelima, Haritha Bandaru
Keratosis lichenoides chronica also known as Nekam's disease is a rare mucocutaneous disorder, characterized clinically by asymptomatic violaceous keratotic papules arranged in linear, reticular, or plaque form usually on the trunk and extremities and histologically by interface dermatitis. The disease is considered rare with only 128 cases being reported in the literature till date and very few from India. We report a case of a 40-year-old man who presented with constellation of features of lichen planus, seborrheic dermatitis, and apthous ulcers, which upon workup was found to be Nekam's disease...
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27922892/galectin-3-expression-in-benign-and-malignant-skin-diseases-with-epidermal-hyperplasia
#12
Ze-Xin Jiang, Guo-Zhen Tan, Zhen-Rui Shi, Yu-Ping Zhang, Yan-Fang Han, Liangchun Wang
Galectin-3 has been suggested relative to tumor genesis, progression, and metastasis in basal cell carcinoma and squamous cell carcinoma that are the most common skin cancers characterized by malignant epidermal proliferation. In this study, we evaluated galectin-3 expression in seborrheic keratosis, keratoacanthoma, and infectious diseases including verruca vulgaris, condyloma acuminatum, and chromoblastomycosis that are pathologically featured by benign epidermal proliferation. Galectin-3 expression was shown by immunohistochemical staining and quantified using the Image Pro Plus V6...
November 7, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27904179/a-clinicopathological-and-dermoscopic-correlation-of-seborrheic-keratosis
#13
Geethu Francis Alapatt, D Sukumar, M Ramesh Bhat
BACKGROUND: Seborrheic keratosis (SK) is the most common benign epidermal tumor of the skin. Even though SK has been well characterized clinically, dermoscopically, and histopathologically, data regarding clinical dermoscopic and histopathological correlation of different types of SK are inadequate. AIM: We carried out this study to establish any correlation between the clinical, dermoscopic, and histopathological appearance of SK and its variants. METHODS: This was a descriptive study...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27888829/treatment-of-seborrheic-keratosis-in-bilateral-external-auditory-canal-using-fiber-co2-laser
#14
Raşit Cevizci, Selin Üstün Bezgin, Gökhan Altın, Gülbin Oran, Yıldırım Ahmet Bayazıt
In this article, we report a 33-year-old female patient with lesions of bilateral external auditory canals who was treated using fiber CO2 laser without canaloplasty. Histopathological examination confirmed the diagnosis of irritated type seborrheic keratosis, which is rare in external auditory canal. Twelve months after the treatment, the patient showed no signs of recurrence.
September 2016: Kulak Burun Boğaz Ihtisas Dergisi: KBB, Journal of Ear, Nose, and Throat
https://www.readbyqxmd.com/read/27867748/pigmented-bowen-s-disease-presenting-with-a-starburst-pattern
#15
Vincenzo Maione, Enzo Errichetti, Sara Laurent Roussel, Celeste Lebbé
Pigmented Bowen's disease (pBD) is an uncommon in situ squamous cell carcinoma of the skin usually presenting as a dark scaly plaque involving chronically exposed sites, which is not uncommonly mistaken for other similar pigmented lesions, such as melanoma, pigmented basal cell carcinoma or seborrheic keratosis [1,2]. Dermoscopy has been proven to improve its diagnosis by showing several findings, i.e., gray/brownish dots in linear arrangement, scales, coiled vessels, focal/multifocal amorphous hypopigmentation and bluish structureless areas [1,2]...
October 2016: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/27867743/in-vivo-reflectance-confocal-microscopy-features-of-a-melanoacanthoma
#16
Neda Shahriari, Jane M Grant-Kels, Harold S Rabinovitz, Margaret Oliviero, Alon Scope
Efforts have been expended to evaluate the reflectance confocal microscopy (RCM) features of different clinical entities in order to more thoroughly delineate benign versus malignant features. In this way, RCM can help clinicians to be more selective in regard to undertaking appropriate skin biopsies and improving their benign to malignant ratio. Herein, we report a case of a histopathologically proven melanoacanthoma, a variant of seborrheic keratosis. There are scarce reports describing the RCM features of melanoacanthoma...
October 2016: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/27811637/cutaneous-horn-of-the-eyelid-in-13-cases
#17
Renelle Pointdujour-Lim, Molly R Marous, Celine E Satija, Alexzandra M Douglass, Ralph C Eagle, Jerry A Shields, Carol L Shields
INTRODUCTION: Cutaneous horn of the eyelid is uncommon. The authors evaluate the features of benign, premalignant, and malignant tumors at the base of cutaneous horn of the eyelid. OBJECTIVE: To describe the clinical and histopathologic features of cutaneous horn of the eyelid. DESIGN: A retrospective analysis of 13 cases of cutaneous horn of the eyelid treated between 1994 and 2014 was performed. PARTICIPANTS: Thirteen patients participated in this study...
November 2, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27792064/seborrheic-keratosis-like-lesions-of-the-cervix-and-vagina-report-of-a-new-entity-possibly-related-to-low-risk-human-papillomavirus-infection
#18
Karen L Talia, W Glenn McCluggage
We report a series of 7 unusual and morphologically distinct cervical or upper vaginal lesions in women aged 41 to 70 years. The lesions involved the cervix in 3 cases, the upper vagina in 2, the cervix and vagina in 1, and in 1 case the site of origin could not be determined. The lesions had a consistent morphologic appearance with a surface "plaque-like" or "stuck-on" configuration apparent in those cases where surrounding normal tissues were present. Broad coalescing solid sheets and interconnecting trabeculae of cytologically bland cells with a rather "basaloid" appearance emanated from the surface and there were scattered squamous eddies...
April 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27790747/two-cases-of-seborrheic-keratosis-with-basal-clear-cells
#19
Takashi Anan, Takaya Fukumoto, Tetsunori Kimura
Seborrheic keratosis with basal clear cells (SKBCC) is an extremely rare histopathological variant of seborrheic keratosis that has histological similarities to melanoma in situ. We herein report two cases of SKBCC and provide the first description of the dermoscopic features of this condition, in addition to the histopathological findings. Both of the two lesions showed typical histological architectures of seborrheic keratosis with rows or focal clusters of monomorphic clear cells with abundant pale cytoplasm and small round nucleus in the basal layer...
March 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/27593207/exposure-to-fine-particulate-matter-associated-with-senile-lentigo-in-chinese-women-a-cross-sectional-study
#20
F Peng, C-H Xue, S K Hwang, W-H Li, Z Chen, J-Z Zhang
BACKGROUND: Skin ageing especially senile lentigo directly affects self-esteem. For decades, senile lentigo has been associated with chronic exposure to solar radiation. However, a study conducted recently in Caucasian subjects suggested that exposure to air pollution was significantly correlated with extrinsic skin ageing, in particular senile lentigines. OBJECTIVE: To investigate the association between fine particulate matter (PM2.5 ) and skin ageing, particularly senile lentigo and seborrheic keratosis...
February 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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