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Cornea pannus inflammation

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https://www.readbyqxmd.com/read/26150624/molten-metal-ocular-burn-long-term-outcome-using-simple-limbal-epithelial-transplantation
#1
Shilpa Das, Sayan Basu, Virender Sangwan
One day after molten aluminium had fallen into his right eye, a young man presented to our clinic with a vision of counting fingers at 1 m, conjunctival and corneal epithelial defects, and limbal involvement. He was diagnosed with grade 4 thermal burn and managed medically. Subsequently, the inflammation resolved, however, he developed pannus with conjunctivalisation and scarring of cornea suggestive of partial unilateral limbal stem cell deficiency. He was treated surgically with autologous simple limbal epithelial transplantation (SLET)...
2015: BMJ Case Reports
https://www.readbyqxmd.com/read/26050542/in-vivo-confocal-microscopy-1-year-after-autologous-cultured-limbal-stem-cell-grafts
#2
Emilio Pedrotti, Mattia Passilongo, Adriano Fasolo, Mario Nubile, Graziella Parisi, Rodolfo Mastropasqua, Sara Ficial, Marina Bertolin, Enzo Di Iorio, Diego Ponzin, Giorgio Marchini
PURPOSE: To correlate clinical, impression cytologic, and in vivo confocal microscopy findings on the corneal surface after cultured limbal stem cell transplantation. DESIGN: Prospective, interventional, noncomparative, masked case series. PARTICIPANTS: Thirteen patients with limbal stem cell deficiency after unilateral (9 eyes) or bilateral (2 eyes) chemical burn, liquid nitrogen injury (1 eye), or herpes simplex virus infection (1 eye). METHODS: Limbal cells were harvested from healthy or less affected eyes, cultured on 3T3 cells and fibrin glue, and transplanted to the patient's injured eye...
August 2015: Ophthalmology
https://www.readbyqxmd.com/read/25792798/extensive-superior-limbic-keratoconjunctivitis-in-graves-disease-case-report-and-mini-review-of-the-literature
#3
Elias Chelala, Hala El Rami, Ali Dirani, Henry Fakhoury, Ali Fadlallah
BACKGROUND: Superior limbic keratoconjunctivitis (SLK) is characterized as an inflammation of the superior bulbar conjunctiva with predominant involvement of the superior limbus and adjacent epithelial keratitis. METHODS: A 51-year-old woman, with a history of medically controlled Graves' disease was seen with an extensive SLK involving 5 mm of the superior cornea. RESULTS: Total remission was observed with topical steroids (DXM). Recurrence was observed 1 week after steroid discontinuation, and steroidal treatment was reintroduced with tapering over 1 month...
2015: Clinical Ophthalmology
https://www.readbyqxmd.com/read/25292172/correlation-between-the-histological-features-of-corneal-surface-pannus-following-ocular-surface-burns-and-the-final-outcome-of-cultivated-limbal-epithelial-transplantation
#4
Alok Sati, Sayan Basu, Virender S Sangwan, Geeta K Vemuganti
BACKGROUND/AIMS: To report the influence of histological features of corneal surface pannus following ocular surface burn on the outcome of cultivated limbal epithelial transplantation (CLET). METHODS: On retrospectively reviewing the medical records of the patients who underwent autologous CLET from April 2002 to June 2012 at L V Prasad Eye Institute, Hyderabad, India, we could trace the histological reports in only 90 records. These 90 records, besides clinical parameters, were reviewed for the influence of various histological features on the final outcome of CLET...
April 2015: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/22932835/-ocular-surface-reconstruction-in-limbal-stem-cell-insufficiency-transplantation-of-limbal-tissue
#5
REVIEW
P Eberwein, T Reinhard
Reconstruction of the ocular surface in patients with limbal stem cell insufficiency (LSI) remains one of the most challenging tasks in ophthalmology. The transplantation of lamellar limbal tissue in total LSI represents an established therapeutic concept, while an abrasion of the conjunctival pannus allowing normal limbal epithelium to recolonize the cornea is the treatment of choice in partial LSI. Surgery must be postponed until an inflammation-free period is reached and lid abnormalities have been corrected...
September 2012: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/20502027/midterm-results-of-cultivated-autologous-and-allogeneic-limbal-epithelial-transplantation-in-limbal-stem-cell-deficiency
#6
REVIEW
Mikk Pauklin, Thomas A Fuchsluger, Henrike Westekemper, Klaus-P Steuhl, Daniel Meller
BACKGROUND: Limbal stem cell deficiency (LSCD) leads to growth of abnormal fibro-vascular pannus tissue onto the corneal surface as well as chronic inflammation and impaired vision. Our aim was to investigate the clinical outcome of ocular surface reconstruction in LSCD using limbal epithelial cells expanded on amniotic membrane (AM). METHODS: Forty-four eyes of 38 patients (27 male, 11 female) with total (n = 32) or partial (n = 12) LSCD were treated by transplantation of autologous (n = 30) or allogeneic (n = 14) limbal epithelial cells expanded on intact AM...
2010: Developments in Ophthalmology
https://www.readbyqxmd.com/read/20398102/contemporary-limbal-stem-cell-transplantation-a-review
#7
REVIEW
Harminder S Dua, Ammar Miri, Dalia G Said
Conjunctivalization of the cornea is the hallmark of limbal stem cell deficiency (LSCD). This is often associated with persistent corneal epithelial defects and a fibrovascular pannus. LSCD can be unilateral or bilateral and partial or total. In partial LSCD involving the visual axis sequential sector conjunctival epitheliectomy (SSCE) is a useful option. In total LSCD, transplantation of limbal tissue or of ex vivo expanded sheets is the mainstay. In unilateral cases autolimbal transplant is the procedure of choice...
March 2010: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/19870032/corneal-reactions-to-bacterium-granulosis-and-other-microorganisms
#8
P K Olitsky, R E Knutti, J R Tyler
THE CONCLUSIONS WHICH MAY BE DRAWN FROM THE RESULTS OF THE EXPERIMENTS HERE PRESENTED ARE: 1. The cornea of the rabbit is highly sensitive to the action of various injected bacteria. The lesions vary from insignificant, transient changes to severe, destructive panophthalmitis, with fine gradations from the mildest to the violent form of inflammation. Moreover, animals that receive the same organisms show like changes. 2. The varying degree of inflammatory reaction is related to the pathogenicity of the special culture employed; as, for example, is shown by the reactions to Type I pneumococci and to Bacterium granulosis...
April 30, 1932: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/19394701/characterization-of-the-corneal-surface-in-limbal-stem-cell-deficiency-and-after-transplantation-of-cultivated-limbal-epithelium
#9
Mikk Pauklin, Klaus-P Steuhl, Daniel Meller
PURPOSE: Transplantation of in vitro-cultivated limbal epithelium (TCLE) recently was developed to treat limbal stem cell deficiency (LSCD). The objective of this study was to characterize changes in the cornea during LSCD and on the corneal surface after TCLE. DESIGN: Experimental study. PARTICIPANTS AND CONTROLS: The pannus tissue excised from the corneas of 17 LSCD patients was analyzed to characterize the changes in the cornea during LSCD...
June 2009: Ophthalmology
https://www.readbyqxmd.com/read/19165487/-limbal-stem-cell-deficiency-after-chemical-burns-investigations-on-the-epithelial-phenotype-and-inflammation-status
#10
M Pauklin, K-P Steuhl, D Meller
Limbal stem cell deficiency (LSCD) is clinically characterized by growth of fibrovascular pannus onto the corneal surface, chronic inflammation and impaired visual acuity. The aim of this study was to characterize the pannus tissue. Total RNA was isolated from six pannus samples and protein from three pannus samples from patients with LSCD caused by chemical burns. Normal human corneal tissue (n=6) and conjunctiva (n=6) were used as control tissues. The expression of the epithelial lineage markers keratin 3 (K3), K19 and MUC5AC, the inflammatory markers IL-1beta, ICAM-1 and VEGF was analyzed by Western Blotting and/or real-time PCR...
November 2009: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/19098704/limbal-stem-cell-transplantation-new-progresses-and-challenges
#11
REVIEW
L Liang, H Sheha, J Li, S C G Tseng
Patients with limbal stem cell deficiency (LSCD) suffer from photophobia and a severe loss of vision uncorrectable by conventional PKP. This literature review shows that new strategies can be formulated for treating LSCD. Early cryopreserved amniotic membrane transplantation (AMT) as a temporary biological bandage with sutures or with sutureless ProKera in the acute stage of chemical burn and Stevens-Johnson syndrome prevents the occurrence of LSCD by preserving and expanding the remaining limbal epithelial stem cells...
October 2009: Eye
https://www.readbyqxmd.com/read/18580269/minimal-conjunctival-limbal-autograft-for-total-limbal-stem-cell-deficiency
#12
Ahmad Kheirkhah, Vadrevu K Raju, Scheffer C G Tseng
PURPOSE: To report the results of one 60 degrees conjunctival limbal autograft (CLAU) combined with amniotic membrane (AM) transplantation for an eye with total limbal stem cell deficiency (LSCD). METHODS: One eye of a patient with chronic total LSCD and symblepharon caused by chemical burn was subjected to symblepharon lysis, removal of pannus from corneal surface, AM transplantation to cover the conjunctival and corneal surfaces as a permanent graft, one 60 degrees CLAU to the superior limbal area, and insertion of ProKera as a temporary AM patch to cover the CLAU...
July 2008: Cornea
https://www.readbyqxmd.com/read/17558385/ocular-surface-changes-in-limbal-stem-cell-deficiency-caused-by-chemical-injury-a-histologic-study-of-excised-pannus-from-recipients-of-cultured-corneal-epithelium
#13
A Fatima, G Iftekhar, V S Sangwan, G K Vemuganti
PURPOSE: To report histopathologic changes of the ocular surface pannus in patients with severe limbal stem cell deficiency (LSCD). METHODS: Corneal and conjunctival pannus tissues from 29 patients undergoing ocular reconstruction with cultured limbal cell transplantation were included. The medical records of these patients were reviewed for demographics, aetiologic diagnosis, type of injury, interval between the initial insult and excision of pannus, and medical history involving human amniotic membrane (HAM) or limbal transplantation...
September 2008: Eye
https://www.readbyqxmd.com/read/15745776/outcomes-and-dna-analysis-of-ex-vivo-expanded-stem-cell-allograft-for-ocular-surface-reconstruction
#14
Sheraz M Daya, Adam Watson, Justin R Sharpe, Osama Giledi, Andrea Rowe, Robin Martin, S Elizabeth James
PURPOSE: To investigate the outcome of a new technique of ex vivo expanded stem cell allograft for limbal stem cell deficiency (LSCD), and to characterize the ocular surface genotype after surgery. DESIGN: Retrospective noncomparative case series. PARTICIPANTS: Ten eyes of 10 patients with profound LSCD arising from ectodermal dysplasia (3 eyes), Stevens-Johnson syndrome (3 eyes), chemical injury (2 eyes), thermal injury (1 eye), and rosacea blepharoconjunctivitis (1 eye)...
March 2005: Ophthalmology
https://www.readbyqxmd.com/read/15644099/the-effect-of-topical-pimecrolimus-on-keratoconjunctivitis-sicca-and-chronic-superficial-keratitis-in-dogs-results-from-an-exploratory-study
#15
Barbara Nell, Ingo Walde, Andreas Billich, Peter Vit, Josef G Meingassner
OBJECTIVE: Pimecrolimus is an ascomycin derivative that interferes selectively with the activation of T cells and mast cells and inhibits the production of inflammatory cytokines. This study evaluated the efficacy of an experimental ophthalmic formulation of pimecrolimus in treating keratoconjunctivitis sicca (KCS) and chronic superficial keratitis (CSK) in dogs. ANIMALS AND PROCEDURES: Eight dogs with KCS and six with CSK were included. The dogs were of various breeds, suffered from chronic conditions, and had been pretreated unsuccessfully...
January 2005: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/12384918/inhibition-of-interleukin-1-but-not-tumor-necrosis-factor-suppresses-neovascularization-in-rat-models-of-corneal-angiogenesis-and-adjuvant-arthritis
#16
Angela Coxon, Brad Bolon, Juan Estrada, Stephen Kaufman, Sheila Scully, Alana Rattan, Diane Duryea, Yi-Ling Hu, Karen Rex, Efrain Pacheco, Gwyneth Van, Debra Zack, Ulrich Feige
OBJECTIVE: To assess the capacities of the cytokine inhibitors interleukin-1 receptor antagonist (IL-1Ra; anakinra) and PEGylated soluble tumor necrosis factor receptor I (PEG sTNFRI; pegsunercept) to suppress neovascularization. METHODS: A corneal angiogenesis assay was performed by implanting nylon discs impregnated with an angiogenic stimulator (basic fibroblast growth factor or vascular endothelial growth factor) into one cornea of female Sprague-Dawley rats...
October 2002: Arthritis and Rheumatism
https://www.readbyqxmd.com/read/11894530/-amniotic-membrane-graft-in-ocular-surface-disease-prospective-study-with-31-cases
#17
M Muraine, G Descargues, O Franck, F Villeroy, D Toubeau, E Menguy, J Martin, G Brasseur
INTRODUCTION: Amniotic membrane's unique combination of properties including the facilitation of migration of epithelial cells, the reinforcement of basal cellular adhesion and the encouragement of epithelial differentiation [6] together with its ability to modulate stromal scarring and its anti-inflammatory and anti-bacterial activity has led to its use in the treatment of ocular surface pathology as well as an adjunct to stem cell grafts of the corneal limbus [6-4]. We report a prospective study of 30 patients so treated...
October 2001: Journal Fran├žais D'ophtalmologie
https://www.readbyqxmd.com/read/9850274/tenascin-cytotactin-tn-c-variants-in-pseudophakic-aphakic-bullous-keratopathy-corneas
#18
H Maseruka, S M Ataullah, L Zardi, A B Tullo, A E Ridgway, R E Bonshek
PURPOSE: To examine pseudophakic/aphakic bullous keratopathy (PBK/ABK) human corneas for patterns of expression of tenascincytotactin (TN-C) variants known to mediate specific cellular functions, viz. anti-adhesion (high molecular mass (M(r))) and adhesion (low/intermediate M(r)). METHODS: PBK/ABK corneas were selected to encompass only those with bullae and without inflammation, scarring or neovascularisation. Serial sections from these and normal corneas were labelled with antibodies BC-4 (recognising all TN-C variants) and BC-2 (specific for the high M(r) TN-C variant)...
1998: Eye
https://www.readbyqxmd.com/read/9104767/chemical-injuries-of-the-eye-current-concepts-in-pathophysiology-and-therapy
#19
REVIEW
M D Wagoner
Chemical injuries of the eye may produce extensive damage to the ocular surface epithelium, cornea, and anterior segment, resulting in permanent unilateral or bilateral visual impairment. Pathophysiological events which may influence the final visual prognosis and which are amenable to therapeutic modulation include 1) ocular surface injury, repair, and differentiation, 2) corneal stromal matrix injury, repair and/or ulceration, and 3) corneal and stromal inflammation. Immediately following chemical injury, it is important to estimate and clinically grade the severity of limbal stem cell injury (by assessing the degree of limbal, conjunctival, and scleral ischemia and necrosis) and intraocular penetration of the noxious agent (by assessing clarity of the corneal stroma and anterior segment abnormalities)...
January 1997: Survey of Ophthalmology
https://www.readbyqxmd.com/read/8985643/an-unusual-case-of-elastofibroma-oculi
#20
J K Hsu, H D Cavanagh, W R Green
A 22-year-old female college student from the southwestern United States was first seen with progressive fluffy white growths over both corneas nasally and a history of chronic allergies and extensive sun, wind, and chlorine exposure as a competitive swimmer. The lesions were superficial, elevated, crescent-shaped, vascularized, and extended from the limbal conjunctiva onto the peripheral cornea nasally. The lesions were composed of an unencapsulated thick fibrovascular pannus with numerous fibrocytes, chronic inflammatory cells and mast cells, and abundant linear and wavy elastinophilic profiles, but no adipose tissue...
January 1997: Cornea
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