Primary amyloidosis of conjunctiva

Abstract

A 64-year old male presented in ophthalmology OPD for follow up for refractive errors. He had been wearing bifocal lenses from last 1 year. On local examination, medial canthus of left eye showed a pale yellowish plaque. The rest of the ocular examination and contralateral eye were normal. Slit lamp examination showed a confluent fusiform papule (Figure 1A,B). Computed tomography (CT) scan of F I G U R E 1 (A and B) Slit lamp examination of left eye showing pale yellowish plaque in the median canthus. (C) Hematoxylin and eosin stain showing deposition of pink homogeneous material beneath conjunctical epithelium (magnification 5×). (D) Congo red stain on pink homogeneous material. (E) Polarizing microscopy showing apple green birefringence This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.