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https://www.readbyqxmd.com/read/28438000/development-of-limited-view-and-three-dimensional-reconstruction-method-for-analysis-of-electrohydrodynamic-jetting-behavior
#1
Yeonghyeon Gim, Dong Ho Shin, Do Yoon Moh, Han Seo Ko
For an electrohydrodynamic (EHD) jet, variables such as the direction of the meniscus and the ejection stability need to be analyzed. Thus, the EHD jet should be observed three-dimensionally (3D) because the variables can only be obtained in the 3D field, especially in unstable modes. However, if the 3D field is reconstructed from multi-directional binary images, eliminating reconstruction errors caused by invisible areas is almost impossible, even when using a tomographic technique. To solve this problem, a new 3D reconstruction method including an ellipse estimation was developed in this study...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28390437/brain-structural-investigation-and-hippocampal-tractography-in-medication-overuse-headache-a-native-space-analysis
#2
M Meyer, G Di Scala, M Edde, B Dilharreguy, F Radat, M Allard, S Chanraud
BACKGROUND: Spatial normalization of brain images, a prerequisite for voxel based morphometry analysis, may account for the large variability of the volumetric data in medication overuse headache (MOH); possibly because this disease concerns patients differing on both sex and age, and hence with different brain size and shape. METHODS: The present study aimed at providing a subject-based analysis of macrostructure using a native space volumes segmentation (Freesurfer), and microstructure using a region of interest (ROI: i...
April 8, 2017: Behavioral and Brain Functions: BBF
https://www.readbyqxmd.com/read/28385570/-why-is-it-important-to-differentiate-trichoblastic-carcinomas-ct-from-basal-cell-carcinomas-cbc-about-21-cases
#3
M Thomas, C Bruant-Rodier, F Bodin, B Cribier, M Huther, C Dissaux
Trichoblastic carcinoma is a rare epithelial malignant epithelial tumor, its diagnosis is difficult and the therapeutic management is non-consensual. This retrospective study, carried out between 2009 and 2015, covered 21 cases and analyzed the diagnostic and therapeutic characteristics of trichoblastic carcinomas. Sex ratio is 2. Trichoblastic carcinoma predominated in the face (65% of cases), particularly in perinasal (30% of cases). Its clinical presentation is in 95% of cases as basal cell carcinoma, which is the first clinical diagnosis evoked...
April 3, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28384651/surgical-treatment-of-subungual-squamous-cell-carcinoma-by-wide-excision-of-the-nail-unit-and-skin-graft-reconstruction-an-evaluation-of-treatment-efficiency-and-outcomes
#4
Solène Topin-Ruiz, Catherine Surinach, Stéphane Dalle, Gérard Duru, Brigitte Balme, Luc Thomas
Importance: The best surgical treatment modalities for subungual squamous cell carcinoma (SUSCC) without bone invasion need to be determined. The limited available data on Mohs micrographic surgery do not demonstrate its use as a standard procedure. A previous study in a limited series of patients has shown that wide surgical excision of the nail unit was associated with a low rate of recurrence. Objectives: To confirm the efficiency of wide surgical excision of the nail unit with full-thickness skin graft reconstruction on a series of patients with SUSCC with an extended follow-up and to evaluate short- and long-term postoperative morbidity and patient satisfaction...
April 5, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28334371/comparative-study-of-functional-nasal-reconstruction-using-structural-reinforcement
#5
Waleed H Ezzat, Sara W Liu
Importance: Nasal reconstruction after Mohs surgery is a unique challenge in that it must satisfy both functional and aesthetic goals. Despite some advocacy in the literature for using structural reinforcement to achieve both functional and aesthetic outcomes in soft-tissue reconstruction, no study has validated this claim by comparing reconstruction with and without structural support. Objective: To evaluate the effectiveness of and need for structural reinforcement when reconstructing the nasal alar and sidewall subunits...
March 23, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28300924/staged-retroauricular-flap-for-helical-reconstruction-after-mohs-micrographic-surgery
#6
Felipe Bochnia Cerci
Staged retroauricular flap is a great option for full-thickness defects along the helical rim and antihelix. Donor site consists of the posterior ear, postauricular sulcus and mastoid area. The advantages of this flap include hidden donor scar, donor tissue similarity and rich vascularity. We present a case of collision tumor on the left helix treated with Mohs micrographic surgery and the resulting full-thickness defect repaired with a staged retroauricular flap. This flap is an effective technique for full-thickness helical defect repair with relatively little operative morbidity...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28300923/paramedian-forehead-flap-combined-with-hinge-flap-for-nasal-tip-reconstruction
#7
Felipe Bochnia Cerci, Gerson Dellatorre
The paramedian forehead flap is a great option for restoration of complex nasal defects. For full-thickness defects, it may be used alone or in combination with other methods. We present a patient with a basal cell carcinoma on the distal nose treated by Mohs micrographic surgery, and a resulting full-thickness defect repaired with paramedian forehead flap combined with a hinge flap. For optimal results with the paramedian forehead flap, adequate surgical planning, patient orientation and meticulous surgical technique are imperative...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28300861/primary-cribriform-carcinoma-of-the-eyelid-with-neuroendocrine-features-a-case-report
#8
Joshua D Fox, Sander R Dubovy, Sara T Wester, Keyvan Nouri
A variety of tumors may involve the eyelid, most of which are primary, but rarely can be metastatic. Previously reported eyelid primary carcinomas with neuroendocrine features include Merkel cell carcinoma, apocrine and eccrine gland carcinoma, sebaceous gland carcinoma, and one report of primary "well-differentiated neuroendocrine tumor." Herein we report the first case of primary cribriform carcinoma of the eyelid with neuroendocrine features. The patient is a 75-year-old black man who presented to the clinic with a 5-year history of a slowly growing, non-painful, non-exudative lesion of his left lower eyelid...
February 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28286072/organ-sparing-surgery-in-penile-cancer-a-systematic-review
#9
REVIEW
Mohamed H Kamel, Nabil Bissada, Renee Warford, Judy Farias, Rodney Davis
PURPOSE: Although penile cancer (PC) only represents 1% of all male cancers, the traditional treatment of total or subtotal penectomy carries devastating psychological and functional outcomes. Organ sparing surgery (OSS) in PC is an attractive option if it can provide satisfactory cancer control equivocal or near equivocal to standard techniques. In fact, these techniques are meeting increasing acceptance. Accordingly, the need to evaluate these options objectively is crucial in a comprehensive review is timely in order to increase awareness of these procedures, their applicability and provide guidance to the practicing urologist...
March 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28255286/ocular-adnexal-reconstruction-for-cutaneous-periocular-malignancies
#10
REVIEW
Alison B Huggins, Michelle W Latting, Douglas P Marx, Joseph N Giacometti
Although the majority of lesions present in the periocular region are benign, periocular cutaneous malignancies are certainly not uncommon and must be considered. The management of nonmelanoma cutaneous malignancies is predominately surgical with Mohs micrographic surgery or excision with frozen sections. The approach to reconstruction of the resulting defects depends on the defect location and size. When able, it is preferable to close lesions directly or with the recruitment of adjacent tissue in an effort to preserve the inherent anatomy...
February 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28223854/mohs-surgical-reconstruction-educational-activity-a-resident-education-tool
#11
Julie A Croley, C Helen Malone, Brandon P Goodwin, Linda G Phillips, Eric L Cole, Richard F Wagner
BACKGROUND: Surgical reconstructive planning following Mohs surgery can be a difficult subject for dermatology residents to master. Prior research demonstrates that active learning is preferred and more effective compared to passive learning models and that dermatology residents desire greater complexity and volume in surgical training. We present a novel, active, problem-based learning tool for the education of Mohs reconstruction with the goal of improving residents' ability to plan surgical reconstructions...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28139264/clinical-and-pathologic-factors-associated-with-subclinical-spread-of-invasive-melanoma
#12
Thuzar M Shin, Waqas R Shaikh, Jeremy R Etzkorn, Joseph F Sobanko, David J Margolis, Joel M Gelfand, Emily Y Chu, Rosalie Elenitsas, Christopher J Miller
BACKGROUND: Indications to treat invasive melanoma with Mohs micrographic surgery (MMS) or analogous techniques with exhaustive microscopic margin assessment have not been defined. OBJECTIVE: Identify clinical and histologic factors associated with subclinical spread of invasive melanoma. METHODS: This retrospective, cross-sectional study evaluated 216 invasive melanomas treated with MMS and melanoma antigen recognized by T cells 1 immunostaining...
April 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28135752/-vismodegib-therapy-for-periocular-basal-cell-carcinoma
#13
M Keserü, S Green, S Dulz
Background Basal cell carcinoma (BCC) is the commonest periorbital tumour. Mohs' micrographic surgery and secondary reconstruction is the therapeutic gold standard for periorbital BCC. In cases of inoperability for any reason, therapeutic alternatives are needed. Since the approval of vismodegib, an orally administered, targeted BCC therapy is available. Nevertheless there is little information on the use of vismodegib for periorbital BCC. Patients and Methods In a retrospective study, we analysed the data of 4 patients treated with vismodegib since 2014...
January 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28114205/two-suturing-techniques-for-the-prevention-and-treatment-of-nasal-valve-collapse-after-mohs-micrographic-surgery
#14
Anis Miladi, Joseph W McGowan, Heidi B Donnelly
BACKGROUND: Tumor extirpation of nonmelanoma skin cancer (NMSC) adjacent to the alar groove, using Mohs micrographic surgery (MMS), may risk causing internal nasal valve (INV) collapse, resulting in reduced airflow during inspiration. There are many surgical options described in the literature to repair INV collapse as a postoperative corrective procedure, but few exist as an intra-operative preventative procedure. OBJECTIVE: The authors present 2 distinct methods to prevent and treat INV collapse during the repair of a perialar surgical defect caused by MMS...
January 20, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28107578/patient-satisfaction-and-the-waiting-room-in-mohs-surgery-appropriate-pre-warning-may-abrogate-boredom
#15
F R Ali, F Al-Niaimi, E E Craythorne, R Patalay, R Mallipeddi
Patient satisfaction in dermatology consultations has rightly been afforded attention by De Salins and colleagues.(1) When considering the patient journey through an outpatient appointment, a significant proportion of time is spent in the waiting room, a period which is poorly understood and may contribute to patient anxiety and perceived satisfaction with treatment.(2) In our outpatient Mohs micrographic surgery (MMS) unit, patients may be waiting for several hours in total whilst histological specimens are processed and analysed, prior to reconstruction, particularly if multiple MMS stages are needed...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28079636/reconstruction-of-a-postoperative-mohs-defect-of-the-upper-cutaneous-and-vermilion-lip-involving-cupid-s-bow
#16
Anna Drosou, Diane Trieu, Leonard H Goldberg
No abstract text is available yet for this article.
January 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28073583/clinical-factors-associated-with-subclinical-spread-of-in-situ-melanoma
#17
Thuzar M Shin, Jeremy R Etzkorn, Joseph F Sobanko, David J Margolis, Joel M Gelfand, Emily Y Chu, Rosalie Elenitsas, Waqas R Shaikh, Christopher J Miller
BACKGROUND: Subclinical spread of in situ melanoma occurs at a wide frequency, ranging from 12% to 71%. OBJECTIVE: To identify clinical factors associated with subclinical spread of in situ melanoma. METHODS: We used a retrospective, cross-sectional study of 674 consecutive in situ melanomas to examine 627 patients treated with Mohs surgery and melanoma antigen recognized by T cells 1 immunostaining. The presence of subclinical spread was correlated with clinical characteristics...
April 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28060172/applications-of-burow-s-grafts-in-the-reconstruction-of-mohs-micrographic-surgery-defects
#18
Anastasia Benoit, Brian C Leach, Joel Cook
BACKGROUND: Surgical defects in anatomically challenging locations, such as near free margins or crossing cosmetic subunits, may present reconstructive challenges to the dermatologic surgeon. For selected defects, Burow's grafts may produce functional and aesthetic results in a single operative session. OBJECTIVE: To describe the applications of the Burow's graft technique for the repair of defects after Mohs micrographic surgery. METHODS: An institutional review board-approved retrospective database review of surgical defects repaired with Burow's grafting after Mohs micrographic surgery at the Medical University of South Carolina was performed...
April 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28005812/microcystic-adnexal-carcinoma-of-the-nasal-tip-treated-with-surgical-excision-and-rotational-forehead-skin-flap
#19
Min Seok Kang, Eun Jung Lee, Ji Seop Kim, In Sik Yun, Hyung Kwon Byeon
Microcystic adnexal carcinoma (MAC) is a rare malignant cutaneous adenocarcinoma that typically occurs in the head and neck, particularly at the central face. There are only slightly more than 300 patients reported worldwide, and most patients occur in Caucasians. A 72-year-old man was referred to our hospital for definitive treatment of known MAC from previous biopsy. Wide excision of nasal tip and reconstruction of nasal defect with paramedian forehead flap and nasolabial flap transposition were performed rather than conventional Mohs surgery, due to grossly evident disease...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005629/reconstruction-of-the-nipple-areola-complex-after-mohs-micrographic-surgery
#20
Zain Husain, Tiffany J Libby, David Ciocon
No abstract text is available yet for this article.
December 21, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
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