Immunotactoid keratopathy: A clinicopathologic case report and a review of reports of corneal involvement in systemic paraproteinemias

被引:62
作者
Garibaldi, DC
Gottsch, J
de la Cruz, Z
Haas, M
Green, WR
机构
[1] Johns Hopkins Med Inst, Eye Pathol Lab, Baltimore, MD 21205 USA
[2] Johns Hopkins Med Inst, Wilmer Eye Inst, Cornea Serv, Baltimore, MD 21205 USA
[3] Johns Hopkins Med Inst, Dept Pathol, Baltimore, MD 21205 USA
关键词
cornea; deposition; glomerulopathy; immunoprotein; immunotactoid; multiple myeloma; paraprotein;
D O I
10.1016/j.survophthal.2004.10.002
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Corneal deposits in association with paraproteinemias have been well described in the ophthalmic literature. Recent reports in the renal literature have described immunotactoid. deposition associated with glomerulopathy-organized microtubular deposits of IgGK that measured 32-50 run in diameter on renal biopsies. We present a case of corneal immunotactoid deposition in the setting of chronic lymphocytic leukemia and review previous reports of corneal deposition in the setting of systemic paraproteinemia, highlighting the etiology, differential diagnosis, prognosis, and treatment of corneal involvement. We propose the use of the term immunotactoid keratopathy to describe corneal IgGkappa deposits appearing as tubular, electron-dense, crystalloid deposits with a Central lucent Core Oil electron microscopy and suggest that these patients undergo directed systemic workup to evaluate for potential etiologies of their systemic paraproteinemia. To illustrate the spectrum of paraprotein deposition in the cornea, and to emphasize the importance of ophthalmic evaluation in the setting of systemic paraproteinemias, we include a case of a 44-year-old man with immunoprotein corneal deposition who was subsequently diagnosed with multiple myleoma. (C) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码:61 / 80
页数:20
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