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https://www.readbyqxmd.com/read/27909641/a-case-series-of-complex-recalcitrant-wounds-treated-with-epidermal-grafts-harvested-from-an-automated-device
#1
Stephen S Cai, Arvind U Gowda, Karan Chopra, Rachel Waldman, Ronald P Silverman, Yvonne M Rasko
INTRODUCTION: Epidermal grafting has several advantages over full-thickness or split-thickness grafts in the treatment of complex non-healing wounds. These include the low risk of donor site complications, minimal patient discomfort, and abstention from the operating room. Traditionally, the lack of reliable epidermal harvesting techniques has limited its clinical utilization. The development of an automated suction blister epidermal graft (SBEG) harvesting device may facilitate clinical utilization of this technique...
October 30, 2016: Curēus
https://www.readbyqxmd.com/read/27909467/invasive-squamous-cell-carcinoma-of-the-scalp-and-calvarium-a-multidisciplinary-approach
#2
Jennifer Stark, Silvio Podda, Karen Szymanski
Objective: The correlation between immunosuppression-associated skin cancer and lymphoma has been well established. This includes squamous cell carcinoma and chronic lymphocytic leukemia. When a lesion requires excision, reconstruction can be challenging based on the depth and size of the tumor. We present a patient with chronic lymphocytic leukemia and invasive squamous cell carcinoma of the scalp that extended through the calvarium to the dura mater. His tumors were badly neglected for a long period of time and presented at an advanced stage...
2016: Eplasty
https://www.readbyqxmd.com/read/27908370/graft-use-in-bulbar-urethroplasty
#3
REVIEW
Mya E Levy, Sean P Elliott
The gold standard for bulbar urethroplasty has been excision and primary anastomosis. Application of this approach is generally limited to strictures that are 2 cm or less in the bulbar urethra due to penile shortening. Strictures greater than 2 cm are successfully treated with augmentation urethroplasty wherein the narrowed segment is not excised but widened with the use of a skin flap or a tissue graft. Buccal mucosa is the most prevalent tissue for bulbar urethral stricture repair for strictures greater than 2 cm...
February 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/27908367/use-of-alternative-techniques-and-grafts-in-urethroplasty
#4
REVIEW
Brendan Michael Browne, Alex J Vanni
The current management for complex urethral strictures commonly uses open reconstruction with buccal mucosa urethroplasty. However, there are multiple situations whereby buccal mucosa is inadequate (eg, pan-urethral stricture or prior buccal harvest) or inappropriate for utilization (eg, heavy tobacco use or oral radiation). Multiple options exist for use as alternatives or adjuncts to buccal mucosa in complex urethral strictures. This article reviews the current state of alternate techniques for urethral stricture treatment besides buccal mucosa, including injectable antifibrotic agents, augmentation urethroplasty with skin flaps, lingual mucosa, colonic mucosa, and new developments in tissue engineering for urethral graft material...
February 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/27908364/management-of-urethral-strictures-after-hypospadias-repair
#5
REVIEW
Warren T Snodgrass, Nicol C Bush
Strictures of the neourethra after hypospadias surgery are more common after skin flap repairs than urethral plate or neo-plate tubularizations. The diagnosis of stricture after hypospadias repair is suspected based on symptoms of stranguria, urinary retention, and/or urinary tract infection. It is confirmed by urethroscopy during anticipated repair, without preoperative urethrography. The most common repairs for neourethra stricture after hypospadias surgery are single-stage dorsal inlay graft and 2-stage labial mucosa replacement urethroplasty...
February 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/27905181/effectiveness-of-collagen-oxidised-regenerated-cellulose-silver-containing-composite-wound-dressing-for-the-treatment-of-medium-depth-split-thickness-skin-graft-donor-site-wounds-in-multi-morbid-patients-a-prospective-non-comparative-single-centre-study
#6
Alexander Konstantinow, Tatjana V Fischer, Johannes Ring
Split-thickness skin grafting (STSG) is a widely used method in reconstructive surgery, but donor site wounds (DSWs) are often slow healing and painful. This prospective study evaluated the performance of a composite wound dressing containing collagen/oxidised regenerated cellulose in the treatment of medium-depth (0·4 mm) DSWs in 25 multi-morbid patients with chronic leg ulcers requiring STSG. The range of patients' ages was 44-84 years (mean 71·6 years) with DSW sizes ranging between 12 and 162 cm(2) (mean 78 cm(2) )...
December 1, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27904816/an-unusual-presentation-of-nocardiosis-in-an-allogeneic-transplant-recipient
#7
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Terenig Terjanian
Nocardiosis is a rare cause of opportunistic infection post hematopoietic stem cell transplant (HSCT) occurring in about 0.3% of patients. The risk factors include delayed immune reconstitution, prolonged neutropenia, and graft-versus-host disease. The most common site of infection is the lung, followed by the brain and the skin. Concomitant pulmonary and central nervous system (CNS) nocardiosis is an extremely rare entity as presented in our case. We present the case of a 72-year-old male at 137 days post transplant presenting with complaints of headache and slurred speech...
October 17, 2016: Curēus
https://www.readbyqxmd.com/read/27904182/comparative-study-of-efficacy-of-epidermal-melanocyte-transfer-versus-hair-follicular-melanocyte-transfer-in-stable-vitiligo
#8
Navya Donaparthi, Ajay Chopra
BACKGROUND: Vitiligo surgery has come up a long way from punch skin grafts to epidermal cell suspension and latest to the extracted hair follicle outer root sheath cell suspension (EHFORSCS) transplantation. The progressive development from one technique to the other is always on a quest for the best. In the latest development, EHFORSCS, which is an enriched source of follicular inactive melanocyte (melanocyte stem cells), seems to be a good addition to the prevailing cell-based therapies for vitiligo...
November 2016: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/27903823/in%C3%A2-vitro-skin-models-and-tissue-engineering-protocols-for-skin-graft-applications
#9
REVIEW
Lucas B Naves, Chetna Dhand, Luis Almeida, Lakshminarayanan Rajamani, Seeram Ramakrishna
In this review, we present a brief introduction of the skin structure, a concise compilation of skin-related disorders, and a thorough discussion of different in vitro skin models, artificial skin substitutes, skin grafts, and dermal tissue engineering protocols. The advantages of the development of in vitro skin disorder models, such as UV radiation and the prototype model, melanoma model, wound healing model, psoriasis model, and full-thickness model are also discussed. Different types of skin grafts including allografts, autografts, allogeneic, and xenogeneic are described in detail with their associated applications...
November 30, 2016: Essays in Biochemistry
https://www.readbyqxmd.com/read/27902756/conjunctival-acute-graft-versus-host-disease-in-adult-patients-receiving-allogeneic-hematopoietic-stem-cell-transplantation-a-cohort-study
#10
Yao-Chung Liu, Jyh-Pyng Gau, Pei-Yu Lin, Catherine Jui-Ling Liu, Chia-Jen Liu, Jin-Hwang Liu, Nai-Wen Fan
BACKGROUND: To investigate the incidence, risk factors and survival of conjunctival acute graft-versus-host disease (aGVHD) in adult patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT). METHODS: This retrospective study included a total of 139 patients undergoing allogeneic HSCT between January 2012 and December 2014 at a tertiary referral hospital. Patients with ocular complaints after allogeneic HSCT or first donor lymphocyte infusion were evaluated by ophthalmologists...
2016: PloS One
https://www.readbyqxmd.com/read/27902740/extensive-characterization-and-comparison-of-endothelial-cells-derived-from-dermis-and-adipose-tissue-potential-use-in-tissue-engineering
#11
Hanneke N Monsuur, Ester M Weijers, Frank B Niessen, Amit Gefen, Pieter Koolwijk, Susan Gibbs, Lenie J van den Broek
Tissue-engineered constructs need to become quickly vascularized in order to ensure graft take. One way of achieving this is to incorporate endothelial cells (EC) into the construct. The adipose tissue stromal vascular fraction (adipose-SVF) might provide an alternative source for endothelial cells as adipose tissue can easily be obtained by liposuction. Since adipose-EC are now gaining more interest in tissue engineering, we aimed to extensively characterize endothelial cells from adipose tissue (adipose-EC) and compare them with endothelial cells from dermis (dermal-EC)...
2016: PloS One
https://www.readbyqxmd.com/read/27901645/fenestrated-adipofascial-reverse-flap-a-modified-technique-for-the-reconstruction-of-fingertip-amputations
#12
Francesco Idone, Andrea Sisti, Juri Tassinari, Giuseppe Nisi
AIMS OF THE STUDY: Fingertip injuries can be treated in different ways, including shortening with primary closure, skin graft, and local or distant flaps. Several local flaps for the reconstruction of the amputated fingertip were described. We present our experience with a new concept of homodigital adipofascial reverse flap that avoids the second surgical stage and allows a complete and anatomically perfect reconstruction of nail bed, with preservation of the nail lamina. MATERIALS AND METHODS: Between March 2014 and February 2015, five patients with digital amputations (distally to the nail matrix) were treated using the Fenestrated Adipofascial Reverse (F...
November 30, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27900974/disseminated-mycobacteria-chelonae-infection-in-a-kidney-pancreas-transplant-recipient-a-case-report-and-review-of-the-literature
#13
Shafi Malik, Ananda Ghosh, Shahid Husain
A 40-year-old male with a long-standing history of type 1 diabetes with end-stage renal failure underwent combined kidney-pancreas (KP) transplant from a standard criteria donor. Post-operative course was uncomplicated with good primary function of both transplant grafts. Induction was with thymoglobulin and maintenance immunosuppression was with tacrolimus, mycophenolate mofetil and prednisolone. Nine weeks post-transplant, the patient developed dysfunction of both grafts. Panel reactive antibody testing revealed that the patient had developed a de novo donor-specific antibody and considering an antibody-mediated rejection the patient was treated with intravenous pulse methyl prednisone 500 mg ×3 doses, IV immunoglobulin 2 mg/kg in two divided doses, and ATG 7 mg/kg (total dose of 700 mg)...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27900750/-the-management-of-itching-in-burn-patients-during-the-rehabilitation-stage
#14
Shu-Fen Lo, Li-Jung Chang, Ting-Yuan Shiue, Ching-Yi Pan, Hui-Chuan Wu
Pruritus, a distressing symptom that affects burn patients, not only interferes with activities of daily living but also causes disturbed sleep, which has been associated with anxiety, depression, and other types of negative moods. Furthermore, the uncontrolled scratching that often accompanies pruritus causes tissue damage and may damage or destroy the skin graft. In this paper, the authors first describe the definition and mechanism of pruritus and next use itching-assessment tools to identify the triggering factors...
December 2016: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/27900223/modified-one-stage-dorsal-inlay-buccal-mucosa-graft-technique-for-ventral-penile-urethral-and-penile-skin-erosion-a-step-by-step-guide
#15
Lennert Van Putte, Gunter De Win
OBJECTIVE: To demonstrate the use of a modified single-stage technique for the repair of a ventral penile urethral erosion with involvement of the penile skin, as penile urethral erosion is a rare but potential complication of chronic indwelling catheterisation with a lack of available recommendations for reconstructive options. PATIENT AND METHODS: A 44-year-old male with paraplegia, neurogenic bladder dysfunction and chronic sacral decubitus, presented with a large mid-penile erosion of the ventral penile shaft and urethra, which was caused by chronic transurethral indwelling catheterisation while being hospitalised in an intensive care unit...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27900221/grafted-tubularised-incised-plate-urethroplasty-an-objective-assessment-of-outcome-with-lessons-learnt-from-surgical-experience-with-263-cases
#16
Vipul Gupta, Sunil Kumar Yadav, Talal Alanzi, Islam Amer, Mohmmad Salah, Mamdouh Ahmed
OBJECTIVE: Snodgrass urethroplasty remains the preferred technique in primary distal hypospadias but development of meatal stenosis often limits distal extension of the midline incision of the urethral plate (MIUP), which remains a limiting factor in reconstructing an apical neomeatus (NM). We here-in assess the cosmetic and functional outcome with distal extension of the MIUP in grafted tubularised incised-plate urethroplasty (G-TIP) repair. PATIENTS AND METHODS: This prospective study included the surgical experience of 263 cases of primary hypospadias operated upon between 2012 and 2015...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27900063/elephantiasis-nostras-verrucosa-excision-with-full-thickness-skin-grafting-of-the-penis-scrotum-and-perineal-area
#17
Nathan Judge, Ali Kilic
BACKGROUND: Elephantiasis nostras verrucosa is a rare cutaneous complication of chronic lymphatic obstruction. It is most commonly caused by bacterial infection, trauma, neoplasia, obesity, and venous stasis. MAIN OBSERVATIONS: In this report, we describe a case of elephantiasis nostras verrucosa involving the scrotum and perineal area in a 32-year-old. The lesions were excised, and full-thickness skin grafting of the penis, scrotum, and perineal skin was performed...
November 13, 2016: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/27900013/surgical-treatment-of-rare-giant-malignant-tumors-of-the-scalp-a-report-of-3-cases-with-different-tumor-types
#18
Xiaoliang Liu, Wenzhong Li, Hepei Yuan, Weihong Gu, Dawei Chen
The scalp is the most frequent site of occurrence of malignant tumors. As an area that is generally neglected by the patient and not closely monitored during physical examinations, scalp tumors can go unnoticed until they become malignant. The present study reports 3 cases of rare giant malignant tumors of the scalp, namely a peripheral nerve sheath tumor, a fibrous tumor and a malignant proliferating trichilemmal tumor, that were treated at The First Bethune Hospital of Jilin University (Changchun, China)...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27898464/donor-derived-exosomes-the-trick-behind-the-semidirect-pathway-of-allorecognition
#19
Adrian E Morelli, William Bracamonte-Baran, William J Burlingham
PURPOSE OF REVIEW: The passenger leukocyte hypothesis predicts that after transplantation, donor antigen-presenting cells (APCs) from the graft present donor MHC molecules to directly alloreactive T cells in lymphoid organs. However, in certain transplantation models, recent evidence contradicts this long-standing concept. New findings demonstrate that host, instead of donor, APCs play a prominent role in allosensitization against donor MHC molecules via the semidirect pathway. A similar mechanism operates in development of T-cell split tolerance to noninherited maternal antigens...
November 24, 2016: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/27897162/batf3-selectively-determines-acquisition-of-cd8-dendritic-cell-phenotype-and-function
#20
Janin Chandra, Paula T Y Kuo, Anne M Hahn, Gabrielle T Belz, Ian H Frazer
Batf3 is a transcription factor that impacts the development of CD103(+) tissue-resident dendritic cells (DCs). However, whether Batf3 is absolutely required for the development of CD8(+) DCs remains controversial. Id2 is required for CD8(+) DC development. Here we show that bone marrow chimeric mice with a deletion of Id2 in the CD11c compartment lose the ability to reject a skin graft expressing a non-self protein antigen or mount a delayed hypersensitivity response. In contrast, Batf3((-/-)) mice remained competent for skin graft rejection and delayed hypersensitivity, and retained a CD8(+) DC population with markers characteristic of the CD11b(+) DC lineage, including CD11b, CD4 and CD172α, as well as the key regulator transcription factor IRF4, but lacked IRF8 expression...
November 29, 2016: Immunology and Cell Biology
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