Voltan A, Azzena B
Department of Plastic and Reconstructive Surgery, Burns Unit, University Hospital of Padua, Padua, Italy.
Ann Burns Fire Disasters. 2010 Jun 30;23(2):81-7.
Toxic epidermal necrolysis (TEN), also known as Lyell's syndrome, is a severe drug reaction characterized by extensive destruction of the epidermis and mucosal epithelia. The eyes are typically involved in TEN. The precise pathomechanisms involved remain unknown. We present a case of toxic epidermal necrolysis in a healthy 46-yr-old female patient who had inhaled glycophosphate (herbicide) and was treated with paracetamol, aspirin, and chlorpheniramine. Thirty-five per cent of the skin area was affected by the syndrome, with involvement of conjunctival, gastrointestinal, and respiratory mucous membranes. Topical treatment was performed every day and the patient did not undergo surgery. Complete wound healing was achieved in 47 days. There were acute complications, consisting of infection of the skin areas ( Candida), gastrointestinal bleeding, pleural effusion, and severe ocular mucous membrane damage. The most serious chronic complication was the presence of significant opacity of the corneal epithelium, causing almost complete loss of vision. According to the data in the literature, ocular complications in TEN are frequent and are present in the majority of the patients studied, but are not often severe. Risk factors for the development of ocular complications are not known. Ocular sequelae may appear after the acute period and they can be extremely disabling, even causing almost complete loss of vision. Treatment includes corticosteroids and topical antibiotic therapy in the acute phase and if necessary corneal transplantation in the event of chronic damage to the corneal epithelium.
中毒性表皮坏死松解症(TEN),又称莱尔综合征,是一种严重的药物反应,其特征为表皮和黏膜上皮广泛破坏。眼部通常会受到TEN的影响。其确切的发病机制尚不清楚。我们报告一例46岁健康女性患者的中毒性表皮坏死松解症病例,该患者吸入了草甘膦(除草剂),并接受了对乙酰氨基酚、阿司匹林和氯苯那敏治疗。该综合征累及35%的皮肤面积,结膜、胃肠道和呼吸道黏膜均有受累。每天进行局部治疗,患者未接受手术。47天实现伤口完全愈合。出现了急性并发症,包括皮肤区域感染(念珠菌)、胃肠道出血、胸腔积液和严重的眼黏膜损伤。最严重的慢性并发症是角膜上皮出现明显混浊,导致几乎完全失明。根据文献数据,TEN患者眼部并发症很常见,在所研究的大多数患者中都存在,但通常并不严重。眼部并发症发生的危险因素尚不清楚。眼部后遗症可能在急性期后出现,且可能极其致残,甚至导致几乎完全失明。治疗包括急性期使用皮质类固醇和局部抗生素治疗,如有必要,在角膜上皮发生慢性损伤时进行角膜移植。