نتایج جستجو برای: conjunctival tissue
تعداد نتایج: 923322 فیلتر نتایج به سال:
purpose: to report the result of limbal autografting in primary and recurrent pterygium. methods: in this case series, all patients who were referred to our clinic at farabi hospital, isfahan, iran for treatment of pterygium were included. indications of surgery included chronic ocular irritation, impaired or threatened vision, ocular motility problem and cosmetic reasons. under subconjunctiona...
The aim of this article is to evaluate and classify pathogenetic origins based on morphologic reproliferative patterns in patients who underwent pterygium excision with a conjunctival autograft. In this retrospective, observational case series, a total of 116 eyes of 116 patients with pterygium who underwent pterygium excision with a conjunctival autograft between February 2009 and May 2011 wer...
Introduction: Pterygium, one of the degenerative and prevalent ophthalmic diseases, is more prevalent in equatorial and tropical areas. This study was conducted in order to compare recurrence rate and surgical complications of pterygium treatment with four different transplantation methods of conjunctival autograft, conjunctival flap, using mitomycin-C with conjunctival autograft and using mi...
bulbar conjunctiva. The incisions should outline an area that is about the same in size as the nasal conjunctival defect. Carefully dissect the conjunctiva off the underlying Tenon’s capsule (Figure 2). Once you are in the correct plane you should incise the conjunctival graft along its posterior edge. Lift the posterior edge and carefully dissect off any adherent Tenon’s capsule. Your assistan...
There are several animal models illustrating dry eye pathophysiology. Current study would like to establish an ex vivo tissue culture model for characterizing dry eye. Human conjunctival explants were cultured under airlift or submerged conditions for up to 2 weeks, and only airlifted conjunctival cultures underwent increased epithelial stratification. Starting on day 4, the suprabasal cells di...
The allergic conjunctivitis (AC) consists of five clinical types, a seasonal allergic conjunctivitis (SAC), perennial allergic conjunctivitis (PAC), vernal keratoconjunctivitis (VKC), atopic keratoconjunctivitis (AKC) and giant papillary conjunctivitis (GPC), having a common causal background, namely the involvement of allergic component, but different clinical features. 1-5 The five clinical t...
Little information is currently available concerning loco-regional metastases such as satellite and in transit metastases and their natural history in conjunctival melanoma as compared to cutaneous melanoma. Angiotropism, a marker of extravascular migration of melanoma cells along vascular channels, often appears responsible for microscopic satellite, satellite and in transit metastases develop...
tures of keratic precipitates during intraocular inflammation. To our knowledge, the use of IVCM to describe conjunctival pathological characteristics has not previously been reported. The human conjunctiva is an excellent tissue to examine using the confocal microscope because it is semitranslucent and the underlying vessels and cellular structures are easily accessible. The histopathological ...
BACKGROUND Leiomyosarcomas of soft tissue are malignant tumours that are not infrequently encountered in clinical medicine and histopathology. Such sarcomas of the eye are, however, a rare occurrence. PURPOSE Herein, the histopathological features of a case of conjunctival leiomyosarcoma are described. A 38-year-old HIV-positive male, who was otherwise fit and healthy, presented with redness ...
PURPOSE Ocular surface squamous neoplasia (OSSN) is an uncommon tumor of the corneal and conjunctival epithelium associated with risk of permanent visual impairment. The purposes of this study were to (1) identify and localize potential mediators in tissue from patients with OSSN and (2) culture human dysplastic conjunctival epithelial cells (DCECs) to determine their responsiveness to ultravio...
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