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https://www.readbyqxmd.com/read/28936748/quantity-and-quality-of-sweating-in-atopic-dermatitis
#1
Marlies Wruhs, Andreas Gleiß, Andreas Steiner, Paul Sator
Sweat may be an important factor in triggering an exacerbation of atopic dermatitis. It was the aim of this study to evaluate a possible correlation between atopic patients and hyperhidrosis-measured by a questionnaire-and to find out whether there are qualitative differences in sweat response-measured by sudomotor activity (sympathetic skin response test, SSR). Included were 100 study participants, of whom 50 were patients with atopic dermatitis and 50 were serving as control group. The frequency of hyperhidrosis is higher in atopic patients than in the control group (30 vs...
September 21, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28936056/syringocystadenoma-papilliferum-of-sweat-gland-of-caruncle-a-unique-case-report
#2
Anuradha Raj, R C Nagpal, Meena Harsh, Harsh Bahadur
Syringocystadenoma papilliferum (SP) is a rare benign hamartomatous malformation of skin which arises from apocrine or eccrine sweat glands. Skin of the head and neck is the usual site for this but rarely involves the eyelids. It is also called as a childhood tumor since it usually appears at birth or during puberty. The diagnosis is confirmed on histopathological examination after surgical excision. We are first to report a case of SP involving the caruncle in an elderly female.
April 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28922518/accelerated-epithelialization-and-improved-wound-healing-metrics-in-porcine-full-thickness-wounds-transplanted-with-full-thickness-skin-micrografts
#3
Christina L Rettinger, John L Fletcher, Anders H Carlsson, Rodney K Chan
Split-thickness skin grafting (STSG) is the current gold standard for treatment of extensive burn and traumatic skin injuries. However, STSG is limited by donor-site morbidity and availability, and often leads to scarring and wound contracture. Furthermore, these thin grafts lack dermal elements such as nerves and adnexa which are important in recapitulating normal skin function. Methods of fractional skin replacement either as minced STSGs or microscopic skin tissue columns (MSTCs) have been proposed, though these techniques have not been fully-characterized and lack evidence of regenerated adnexal structures...
September 18, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28922112/effects-of-flexible-dry-electrode-design-on-electrodermal-activity-stimulus-response-detection
#4
Peter A Haddad, Amir Servati, Saeid Soltanian, Frank Ko, Peyman Servati
OBJECTIVE: The focus of this research is to evaluate the effects of design parameters including surface area, distance between and geometry of dry flexible electrodes on electrodermal activity (EDA) stimulus response detection. METHODS: EDA is a result of the autonomic nervous system (ANS) being stimulated, which causes sweat and changes the electrical characteristics of the skin. Standard silver/silver chloride (Ag/AgCl) EDA electrodes are rigid and lack conformability in contact with skin...
September 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28913302/eccrine-poroma-of-the-postauricular-area
#5
Hyun Rok Lee, Gyu Yong Jung, Hea Kyeong Shin, Dong Lark Lee, Jong Im Lee, Jung Hwan Kim
Eccrine poroma is a common benign cutaneous tumor that originates in an intraepidermal eccrine duct. This tumor exhibits acral distribution (sole, palm), and is rarely encountered in the head and neck area. In fact eccrine poroma in the postauricular area has only been rarely reported. A 55-year-old female visited our hospital with a main complaint of a mass that first developed in the left postauricular area about a year previously. The mass was painless, soft, protruding, domed, and dark red in color, and had slowly enlarged (at presentation it measured 1×1 cm)...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28905996/merkel-cells-and-meissner-s-corpuscles-in-human-digital-skin-display-piezo2-immunoreactivity
#6
Y García-Mesa, J García-Piqueras, B García, J Feito, R Cabo, J Cobo, J A Vega, O García-Suárez
The transformation of mechanical energy into electrical signals is the first step in mechanotransduction in the peripheral sensory nervous system and relies on the presence of mechanically gated ion channels within specialized sensory organs called mechanoreceptors. Piezo2 is a vertebrate stretch-gated ion channel necessary for mechanosensitive channels in mammalian cells. Functionally, it is related to light touch, which has been detected in murine cutaneous Merkel cell-neurite complexes, Meissner-like corpuscles and lanceolate nerve endings...
September 14, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28902090/endocrine-mucin-producing-sweat-gland-carcinoma-of-the-eyelid-associated-with-mucinous-adenocarcinoma
#7
Norman C Charles, Alan D Proia, Christopher Lo
Endocrine mucin-producing sweat gland carcinoma, a rare, low-grade neoplasm with predilection for the eyelids, has been posited as a precursor to invasive mucinous adenocarcinoma. Endocrine mucin-producing sweat gland carcinoma and its concurrence with mucinous adenocarcinoma have received little attention in the ophthalmic literature. The combination of the 2 histologic patterns parallels endocrine ductal carcinoma in situ of the breast and its transition to Type B invasive mucinous carcinoma. The authors describe a 59-year-old man who developed a tumor of the right upper eyelid showing endocrine mucin-producing sweat gland carcinoma in the outer dermis and extensive mucinous carcinoma in the deeper tissue...
September 1, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28887760/sialadenoma-papilliferum-analysis-of-seven-new-cases-and-review-of-the-literature
#8
Craig B Fowler, Douglas D Damm
Sialadenoma papilliferum (SP) is a rare benign salivary gland neoplasm that comprises from 0.4 to 1.2% of all salivary gland tumors. The tumor is so named because of its microscopic resemblance to the syringocystadenoma papilliferum, an uncommon benign tumor of sweat gland origin. The purpose of this paper is to report the clinical and microscopic features of seven new cases of SP and combine them with cases previously reported in the English language literature to further define this unusual lesion. Combining our cases with acceptable cases from the literature, the palate (especially the hard palate) was the most common site, with 80% of the cases occurring in this location...
September 8, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28880402/sonographic-characteristics-of-apocrine-nodular-hidradenoma-of-the-skin
#9
Ximena Wortsman, Carlos Reyes, Camila Ferreira-Wortsman, Alberto Uribe, Carlos Misad, Sergio Gonzalez
Nodular hidradenomas are benign sweat gland-derived tumors that can produce clinical and dermatoscopic misdiagnoses. Histologically, these tumors can be classified into eccrine and apocrine subtypes. We present the sonographic characteristics of 6 cases of apocrine nodular hidradenomas, which, to our knowledge, is so far the largest series reported. A detailed sonographic analysis included layers, body location, shape, diameters, echostructure patterns, and vascularity. Two sonographic signs not previously reported in these or other common dermatologic lesions were detected: "snow falling" and "fluid-fluid level...
September 7, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28878836/newborn-skin-common-skin-problems
#10
Zekayi Kutlubay, Ali Tanakol, Burhan Engýn, Cristina Onel, Ersin Sýmsek, Server Serdaroglu, Yalçýn Tuzun, Erkan Yilmaz, Bülent Eren
The newborn skin can be separated from adult's skin in several ways. In dermatologic examination it can be easily observed that it is thinner, less hairy and has less sweat and sebaceous gland secretions. These differentiations present especially in preterm newborns. Their skin is exposed to mechanical trauma, bacteria and weather, heat alterations. At birth, newborn skin is protected by the coverage of vernix caseosa, which has lubricating and antibacterial features and its pH ranges from 6.7 to 7.4. Beneath the vernix caseosa the skin has a pH of 5...
January 2017: Mædica
https://www.readbyqxmd.com/read/28871934/diffuse-palmoplantar-keratoderma-onychodystrophy-universal-hypotrichosis-and-cysts
#11
Tasleem Arif, Syed Suhail Amin, Mohammad Adil, Mohd Mohtashim
Dear Editor, Clouston syndrome, also called hidrotic ectodermal dysplasia (HED), is an autosomal dominant ectodermal dysplasia characterized by a clinical triad of onychodystrophy, generalized hypotrichosis, and palmoplantar keratoderma (1). Herein we report the case of a 24-year-old male with the distinctive clinical triad associated with multiple epidermoid cysts, which probably reflects the phenotype of Clouston syndrome. A 24-year-old male presented to our Department with diffuse thickening of the skin of his palms and soles since infancy...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28866875/substance-p-and-calcitonin-gene-related-peptide-in-the-glands-of-external-auditory-canal-skin
#12
Yong Joo Yoon, Jin Yoon, Eun Jung Lee, Jong Seung Kim
Objectives.: The earwax (cerumen) that covers external auditory canal (EAC) skin contains a mixture of ceruminous and sebaceous gland substances, such as lipids, peptides, and proteins. The components secreted from the ceruminous gland that is a modified sweat gland form cerumen and contain several antimicrobial factors. Since substance P (SP) and calcitonin gene-related peptide (CGRP), known as a secretagogue, have been found in sweat glands, our purpose was to determine the expression of SP and CGRP in the glands of EAC skin...
September 5, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28861590/-botulinum-toxin-in-otorhinolaryngology-an-update
#13
R Laskawi, A Olthoff
During recent decades, the clinical use of botulinum toxin has become increasingly well established. In the field of otorhinolaryngology there are many indications for which botulinum toxin can improve patients' quality of life. These include applications in the region of the head and neck muscles and the autonomic nervous system in patients suffering from movement disorders of special muscles and secretory disorders (salivary, lacrimal, and sweat glands). The present article presents an overview of well-established and new indications for application of botulinum toxin in the head and neck region...
August 31, 2017: HNO
https://www.readbyqxmd.com/read/28859733/hidradenitis-suppurativa-and-concomitant-down-syndrome-literature-review-of-other-associated-mucocutaneous-manifestations-in-adults
#14
Virendra N Sehgal, Naresh Sehgal, Ruchi Sehgal
This contribution describes hidradenitis suppurativa (HS) occurring in Down disease that presented with morphology conforming to an overlap of stages 1 and 2 of the Hurley staging system, namely the formation of solitary or multiple isolated abscesses without scarring or sinus tracts, recurrent abscesses, and single or multiple widely separated lesions with sinus tract formation, occupying apocrine sweat gland-bearing areas: the inner thighs, groin, and buttocks. The lesions were bilateral and symmetrical, of rare occurrence...
2017: Skinmed
https://www.readbyqxmd.com/read/28832985/aggressive-digital-papillary-adenocarcinoma-treatment-with-mohs-micrographic-surgery-and-an-update-of-the-literature
#15
Rebecca W Knackstedt, Thomas J Knackstedt, Alyssa B Findley, Melissa Piliang, Nathaniel J Jellinek, Steven L Bernard, Allison Vidimos
BACKGROUND: Aggressive digital papillary adenocarcinoma (ADPA) is a rare adenocarcinoma of the sweat glands. AIMS: We wish to report the treatment of two cases of ADPA with Mohs micrographic surgery and review the presentation, management, and prognosis of this rare malignancy. MATERIALS & METHODS: Cases of ADPA were identified from recent surgery logs. Demographic, tumor, and treatment characteristics were extracted. A PubMed database search for English language full-text articles of aggressive digital papillary adenocarcinoma was performed, and relevant articles were summarized...
August 21, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28810595/sudoscan-an-effective-tool-for-screening-chronic-kidney-disease-in-patients-with-type-2-diabetes
#16
Fei Mao, Siying Liu, Xiaona Qiao, Hangping Zheng, Qian Xiong, Jie Wen, Shuo Zhang, Zhaoyun Zhang, Hongying Ye, Hongli Shi, Bin Lu, Yiming Li
SUDOSCAN is a non-invasive method of measuring peripheral small fiber and autonomic nerve activity by detection of abnormal sweat gland function through electrochemical skin conductance. It has been reported to be an effective screening tool in early detection of microvascular type 2 diabetes mellitus (T2DM) complications including diabetic neuropathy and nephropathy in recent studies. However, previous studies used estimated glomerular filtration rate (eGFR) as the golden standard, which has a 90% chance of being within 30% of the measured GFR at best...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28804203/clinical-features-and-molecular-basis-of-pseudohypoaldosteronism-type-1
#17
Toshihiro Tajima, Shuntaro Morikawa, Akie Nakamura
Pseudohypoaldosteronism (PHA) type 1 is a disease showing mineralocorticoid resistance in the kidney and/or other mineralocorticoid target tissues. Patients with PHA1 present very high plasma aldosterone and renin levels, but they develop excessive salt wasting. There are three types of PHA1. The systemic form of PHA1 is inherited in an autosomal recessive manner and causes severe life-long salt loss in multiple target tissues, such as sweat glands, salivary glands, the colonic epithelium, and the lung. In the systemic form of PHA1, life-long salt supplementation is necessary...
2017: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/28802502/cutaneous-sweat-gland-carcinomas-with-basaloid-differentiation-an-update-with-emphasis-on-differential-diagnoses
#18
REVIEW
Katharina Flux, Thomas Brenn
This article focuses on primary cutaneous sweat gland carcinomas with basaloid differentiation, including cribriform apocrine carcinoma, endocrine mucin-producing sweat gland carcinoma, mucinous carcinoma, adenoid cystic carcinoma, spiradenocarcinoma, and digital papillary adenocarcinoma. These tumors are rare and pose a significant diagnostic challenge. Their clinical presentation is nonspecific and there is significant overlap of their histologic features. Confident diagnosis is necessary because their clinical behavior ranges from indolent, nonrecurring, nonmetastasizing tumors to those with potential for disseminated disease and mortality...
September 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28796813/a-novel-organotypic-3d-sweat-gland-model-with-physiological-functionality
#19
Patricia Klaka, Sabine Grüdl, Bernhard Banowski, Melanie Giesen, Andrea Sättler, Peter Proksch, Thomas Welss, Thomas Förster
Dysregulated human eccrine sweat glands can negatively impact the quality-of-life of people suffering from disorders like hyperhidrosis. Inability of sweating can even result in serious health effects in humans affected by anhidrosis. The underlying mechanisms must be elucidated and a reliable in vitro test system for drug screening must be developed. Here we describe a novel organotypic three-dimensional (3D) sweat gland model made of primary human eccrine sweat gland cells. Initial experiments revealed that eccrine sweat gland cells in a two-dimensional (2D) culture lose typical physiological markers...
2017: PloS One
https://www.readbyqxmd.com/read/28794552/histopathological-analysis-of-skin-adnexal-tumors-a-three-year-study-of-110-cases-at-a-tertiary-care-center
#20
Kanwalpreet Kaur, Karuna Gupta, Deepika Hemrajani, Ajay Yadav, Kalpana Mangal
BACKGROUND: Skin adnexal tumors (SAT) encompass wide spectrum of benign and malignant tumors that differentiate toward one or more adnexal structures found in normal skin. Overall incidence of SATs is low yet they can be challenging to diagnose. AIMS: The aim of this study is to study the spectrum and microscopic features of SATs. MATERIALS AND METHODS: It was a retrospective cross-sectional, descriptive study conducted over a period of 3 years...
July 2017: Indian Journal of Dermatology
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