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DERMAL FAT

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https://www.readbyqxmd.com/read/30540605/the-potential-of-acellular-dermal-matrix-combined-with-neural-stem-cells-induced-from-human-adipose-derived-stem-cells-in-nerve-tissue-engineering
#1
Wei-Ze Syu, Shyi-Gen Chen, James Yi-Hsin Chan, Chih-Hsin Wang, Niann-Tzyy Dai, Shih-Ming Huang
INTRODUCTION: Reconstruction of segmental peripheral nerve gap is still challenging when the autografts are unavailable owing to limited availability of donor site and functional recovery. The creation of artificial conduits composed of biological or synthetic materials is still developing. Acellular dermal matrix (ADM) has been widely studied and its extension and plasticity properties may become suitable nerve conduits under different forms of nerve gaps. Adipose-derived stem cells (ADSCs) have the potential to differentiate into various cell types of different germ layers including neural stem cells (NSCs)...
January 2019: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/30534488/a-single-visit-approach-using-fillers-and-incobotulinumtoxin-a-full-face-enhancement-in-asian-patients
#2
Yates Y Y Chao
A 3-dimensional, multi-layered approach combining modalities targeting different manifestations is recommended for achieving optimal esthetic outcomes. To date, studies reporting same-day treatment with dermal fillers and botulinum toxin have not been published. This article documents the practical use of a single-visit, pan-facial multimodal approach in addressing the varying esthetic needs of 8 Asian adults. The case series included male or female patients of varying age and degrees of facial fat, who received combination treatment with calcium hydroxylapatite filler, polydensified hyaluronic acid filler, and incobotulinumtoxin A in a single visit in August 2016 at a treatment center in Taiwan...
October 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30442054/aesthetic-improvements-of-radial-forearm-flap-donor-site-by-autologous-fat-transplantation
#3
Benedetto Longo, Michail Sorotos, Rosaria Laporta, Fabio Santanelli di Pompeo
Despite its reliability, radial forearm (RF) flap is still affected by high donor site morbidity with poor cosmetic and functional outcomes after coverage with skin grafts. Having fat grafting demonstrated promising and effective filling and rejuvenating properties, we considered and tested it as a valuable alternative to dermal substitutes for the aesthetic improvement of RF flap donor site. Thirty-three patients with previous RF free flap reconstruction and poor donor site outcomes after full-thickness skin grafting to RF region were evaluated for secondary fat injection to improve outcomes...
November 16, 2018: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/30431578/progressive-large-pediatric-corneal-limbal-dermoid-management-with-tissue-glue-assisted-monolayer-amniotic-membrane-transplantation-a-case-report
#4
Wan-Hua Cho, Ming-Tse Sung, Pei-Wen Lin, Hun-Ju Yu
RATIONALE: Limbal dermoids are choristomas known as congenital benign tumors found in abnormal locations. Despite the benign nature, enlarging limbal dermoids may cause visual abnormalities by cornea infiltration with fat component, visual axis invasion, gradually induced corneal astigmatism, and finally result in anisometropic amblyopia. Here we report a rare case of progressive, large pediatric corneal limbal dermoid in a newborn, managed with tissue glue-assisted monolayer amniotic membrane transplantation...
November 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30415840/identity-noise-and-adipogenic-traits-characterize-dermal-fibroblast-aging
#5
Marion Claudia Salzer, Atefeh Lafzi, Antoni Berenguer-Llergo, Catrin Youssif, Andrés Castellanos, Guiomar Solanas, Francisca Oliveira Peixoto, Camille Stephan-Otto Attolini, Neus Prats, Mònica Aguilera, Juan Martín-Caballero, Holger Heyn, Salvador Aznar Benitah
During aging, stromal functions are thought to be impaired, but little is known whether this stems from changes of fibroblasts. Using population- and single-cell transcriptomics, as well as long-term lineage tracing, we studied whether murine dermal fibroblasts are altered during physiological aging under different dietary regimes that affect longevity. We show that the identity of old fibroblasts becomes undefined, with the fibroblast states present in young skin no longer clearly demarcated. In addition, old fibroblasts not only reduce the expression of genes involved in the formation of the extracellular matrix, but also gain adipogenic traits, paradoxically becoming more similar to neonatal pro-adipogenic fibroblasts...
November 3, 2018: Cell
https://www.readbyqxmd.com/read/30382375/impact-of-human-mesenchymal-cells-of-different-body-site-origins-on-the-maturation-of-dermo-epidermal-skin-substitutes
#6
Katarzyna Michalak-Micka, Agnes S Klar, Sophie Böttcher-Haberzeth, Ernst Reichmann, Martin Meuli, Thomas Biedermann
AIM OF THE STUDY: The use of autologous bio-engineered dermo-epidermal skin substitutes (DESS) yields a pivotal opportunity to cover large skin defects in human patients. These skin grafts consist of both epidermal and dermal compartments necessary for robust and permanent functional wound closure. In this study, we investigated the impact of mesenchymal cells derived from different body site origins on the expression pattern of diverse markers within DESS. METHODS: Human keratinocytes were obtained from interfollicular epidermis, and mesenchymal cells were isolated from foreskin, palmar skin, fat tissue, and tonsils...
October 31, 2018: Pediatric Surgery International
https://www.readbyqxmd.com/read/30372477/sebaceous-gland-abnormalities-in-fatty-acyl-coa-reductase-2-far2-null-mice-result-in-primary-cicatricial-alopecia
#7
John P Sundberg, Tong Shen, Oliver Fiehn, Robert H Rice, Kathleen A Silva, Victoria E Kennedy, Nicholas E Gott, Louise A Dionne, Lesley S Bechtold, Stephen A Murray, Raoul Kuiper, C Herbert Pratt
In a large scale screen for skin, hair, and nail abnormalities in null mice generated by The Jackson Laboratory's KOMP center, homozygous mutant Far2tm2b(KOMP)Wtsi/2J (hereafter referrred to as Far2-/-) mice were found to develop focal areas of alopecia as they aged. As sebocytes matured in wildtype C57BL/NJ mice they became pale with fine, uniformly sized clear lipid containing vacuoles that were released when sebocytes disintegrated in the duct. By contrast, the Far2-/- null mice had sebocytes that were similar within the gland but become brightly eosinophilic when the cells entered the sebaceous gland duct...
2018: PloS One
https://www.readbyqxmd.com/read/30360664/platelet-rich-plasma-to-rescue-an-ulcerated-orbital-dermal-fat-graft
#8
Tania Andrea Chaparro Tapias, Alberto Luis Díaz Díaz, Roberto Secondi, Helena Coy Villamil, Juan Carlos Sánchez España
INTRODUCTION: Central graft ulceration is a rare complication of an orbital dermal fat graft caused by diminished blood supply to the implant. This study reports on the efficacy and safety of the use of a single subconjunctival injection of autologous platelet-rich plasma to rescue an ulcerated orbital dermal fat graft. METHODS: Three patients, who had undergone autologous dermal fat graft to treat their anophthalmic socket, were given a 2-mL subconjunctival platelet-rich plasma injection in the exposed graft margins...
October 26, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/30349778/quadruped-and-dermal-bridge-flap-for-nipple-reconstruction
#9
Daisuke Fujisawa, Hirotaka Asato, Yasutoshi Suzuki, Koki Hasegawa
Background: This report describes the authors' novel preferred method of nipple reconstruction over 10 years. Methods: The procedure was used in 39 patients (unilateral 38, bilateral 1). The circle is designed as the new nipple cap. Then, 4 fan-shapes (one-quarter of the circle) are drawn so that the base portion is in contact with the circumference. These fanshapes are deepithelialized, and their linear portions are cut with full thickness of skin and elevated as dermal flaps...
September 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30332890/a-surgical-approach-to-linear-scleroderma-using-medpor-and-dermal-fat-graft
#10
Keun Tae Kim, Hook Sun, Eui Han Chung
Linear scleroderma en coup de sabre (LScs) is a variant of localized scleroderma. This disease typically occurs in patients in their 20s or younger individuals and predominantly occurs in the forehead area. A 26-year-old man with linear scleroderma was surgically treated at our center with Medpor (porous polyethylene) and dermal fat graft for the forehead lesion. After 26 months of postoperative follow-up, the depressed lesion that appeared scarred as well as the margins improved significantly. The surgical treatment of LScs using Medpor and dermal fat graft is an effective treatment modality that can increase patient satisfaction...
October 16, 2018: Archives of Craniofacial Surgery
https://www.readbyqxmd.com/read/30327185/the-infraorbital-artery-clinical-relevance-in-esthetic-medicine-and-identification-of-danger-zones-of-the-midface
#11
K Hufschmidt, N Bronsard, R Foissac, P Baqué, T Balaguer, B Chignon-Sicard, J Santini, O Camuzard
BACKGROUND: Over the past decade, cosmetic injections of dermal fillers or fat have become a popular procedure in facial rejuvenation in an overconsuming society. However, complications such as arterial embolism and occlusion can occur even with experienced injectors, especially in high-risks zones namely the glabella, the nasal dorsum or the nasolabial fold. The aim of this study was to define the vascular danger zones of the infraorbital area in order to provide guidelines helping avoid them...
September 27, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/30287361/hyaluronic-acid-a-promising-skin-rejuvenating-biomedicine-a-review-of-recent-updates-and-pre-clinical-and-clinical-investigations-on-cosmetic-and-nutricosmetic-effects
#12
REVIEW
Syed Nasir Abbas Bukhari, Nur Liyana Roswandi, Muhammad Waqas, Haroon Habib, Fahad Hussain, Shahzeb Khan, Muhammad Sohail, Nor Amlizan Ramli, Hnin Ei Thu, Zahid Hussain
Hyaluronic acid (HA) plays multifaceted role in regulating the various biological processes such as skin repairmen, diagnosis of cancer, wound healing, tissue regeneration, anti-inflammatory, and immunomodulation. Owing to its remarkable biomedical and tissue regeneration potential, HA has been numerously employed as one of the imperative components of the cosmetic and nutricosmetic products. The present review aims to summarize and critically appraise recent developments and clinical investigations on cosmetic and nutricosmetic efficacy of HA for skin rejuvenation...
December 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/30276046/the-evolution-from-subcutaneous-to-prepectoral-prosthetic-breast-reconstruction
#13
Ryan E Rebowe, Lindsay J Allred, Maurice Y Nahabedian
Prosthetic breast reconstruction is the most common method of reconstruction offered to women following mastectomy. Prepectoral breast reconstruction has recently reemerged as an alternative technique to the partial and total muscle coverage methods. Though this technique has been demonstrated to be safe and effective in the recent published literature, many surgeons have been hesitant to adopt it out of fear of incurring the same complications associated with subcutaneous reconstructions of the past. However, recent advancements in plastic surgery including the use of acellular dermal matrices, autologous fat grafting, and improved breast implants and improved mastectomy techniques have enabled plastic surgeons to revisit the prepectoral space...
June 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/30195464/feasibility-of-sub-dermal-soft-tissue-deformation-assessment-using-b-mode-ultrasound-for-pressure-ulcer-prevention
#14
J Doridam, A Macron, C Vergari, A Verney, P-Y Rohan, H Pillet
Pressure Ulcer (PU) prevention remains a main public health issue. The physio-pathology of this injury is not fully understood, and a satisfactory therapy is currently not available. Recently, several works suggested that mechanical strains are responsible of deformation-induced damage involved in the initiation of Deep Tissue Injury (DTI). A better assessment of the internal behavior could allow to enhance the modeling of the transmission of loads into the different structures composing the buttock. A few studies focused on the experimental in vivo buttock deformation quantification using Magnetic Resonance Imaging (MRI), but its use has important drawbacks...
August 11, 2018: Journal of Tissue Viability
https://www.readbyqxmd.com/read/30151780/fat-necrosis-after-breast-conserving-oncoplastic-surgery
#15
Haruka Nakada, Masayuki Inoue, Kazushige Furuya, Hideki Watanabe, Kou Ikegame, Yuko Nakayama, Masato Ohmori, Hiroshi Nakagomi
BACKGROUND: Fat necrosis is a subjective early as well as delayed complication, which sometimes mimics local recurrence and ruins the quality of life by pain and poor cosmetic result. While, the frequency and severity of fat necrosis are important issues that breast surgeons should explain to the patient, these data are not revealed well. METHODS: A total of 1476 patients who underwent breast surgery from January 2000 to December 2012 were enrolled in the present study...
August 27, 2018: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/30142739/diffuse-dermal-angiomatosis-of-the-breast-with-adjacent-fat-necrosis-a-case-report-and-review-of-the-literature
#16
Fatma Frikha, Sonia Boudaya, Najla Abid, Saiida Garbaa, Tahya Sellami, Hamida Turki
Diffuse dermal angiomatosis (DDA) is a type of reactive skin angioproliferation. Clinically, this rare disorder presents as red-violet purpuric papules and/or plaques (some with a greater tendency towards necrosis and ulceration), which can be localized in any body area, but is most often seen in the upper and lower extremities. Localization in the breast commonly presents with severe intractable breast pain and characteristic reticular violaceous erythematous plaques with central ulcerations. Histological examination is fundamental for the diagnosis and is characterized by varied patterns of lobular or diffuse hyperplasia of endothelial cells at the extravascular level...
May 15, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/30114316/mr-lymphography-in-patients-with-upper-limb-lymphedema-the-gps-for-feasibility-and-surgical-planning-for-lympho-venous-bypass
#17
Assaf A Zeltzer, Carola Brussaard, Merel Koning, Randy De Baerdemaeker, Benoit Hendrickx, Moustapha Hamdi, Johan de Mey
BACKGROUND AND OBJECTIVES: Lymphedema is caused by insufficient lymphatic drainage leading to abnormal accumulation of interstitial fluid within soft tissues. Lympho-venous anastomosis (LVA), as a surgical option for selected patients, is widely applied. Through preoperative localization of functional lymphatics with indocyanine green, real time visualization of functioning lymphatic vessels is possible. This examination is time consuming and operator dependant and is not suitable to differentiate the ratio of fat hypertrophy to liquid edema...
September 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/30097671/the-application-of-the-acellular-dermal-matrix-in-the-correction-of-the-tear-trough-deformity
#18
Di Yue, Xiaowei Wu, Haichen Song, Zhichun Zhou, Man Ye, Mengshan Zhu
OBJECTIVE: The acellular dermal matrix (ADM) used in correcting the tear trough deformity has been reported, but there were only a few cases. The long-term effectiveness of ADM was not clear. We aim to discuss the technique and the effect of using ADM to correct the tear trough deformity through more cases. METHODS: A retrospective study was conducted from January 2012 to January 2017. Twenty-six patients who showed obvious tear trough deformity with moderate or severe orbital fat bulging and excess of lower eyelid skin were treated with ADM to improve the appearance of the midface...
October 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/30089435/hard-palate-dermis-fat-composite-graft-for-reconstruction-of-contracted-anophthalmic-socket
#19
Catherine J Choi, Ann Q Tran, David T Tse
PURPOSE: To describe a novel technique of using a hard palate-dermis fat composite graft (HPDFG) for reconstruction of a contracted anophthalmic socket. METHODS: Retrospective, noncomparative, interventional case series of four patients who underwent HPDFG placement by one surgeon between 2010 and 2017. RESULTS: Six harvested HPDFGs were placed in four patients with contracted anophthalmic sockets. A harvested hard palate graft (HPG) and a dermis fat graft (DFG) were adjoined with sutures to form a composite graft...
August 8, 2018: Orbit
https://www.readbyqxmd.com/read/30064607/hardness-and-painful-lesion-of-the-breast
#20
Alejandro Vilas-Sueiro, Daniel González-Vilas, Cristina Aguilera, Benigno Monteagudo, Cristina De De Las Heras
Dear Editor, Lupus panniculitis or lupus profundus is a rare inflammatory complication found in patients with systemic lupus erythematosus (SLE), or discoid lupus erythematosus (DLE) (1). When the breast is involved, the term lupus mastitis (LM) is used. This disease involving the breast is rare, and the lesions may precede, coincide with, or occur later than the onset of other lupus lesions. Tissue biopsy is required to confirm the suspected diagnoses of LM. We report a case of a patient with lupus mastitis due to the important differential diagnosis...
December 2017: Acta Dermatovenerologica Croatica: ADC
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