類澱粉(Amyloid)是一種纖維性蛋白質,沈積於細胞與組識間,尤見於微血管、小動脈壁、及其環繞之組織。類澱粉症其分類雜陳。眼睛之類澱粉症,較易發現於眼臉、結膜等處,至於淚腺之類澱粉症則極為罕見。本篇報告一位68歲女性,接受右眼淚腺腫瘤切除手術,組織病理證實為類澱粉症。病人並無全身性疾病史或眼科病史,無多發性骨髓瘤病徵,亦無皮膚或眼臉病灶。經Congo Red染色,呈現雙折光性。診斷為原發性局限性淚腺類澱粉症。
Amyloid is amorphous, eosinophilic, hyaline material, deposited between cells. Primary localized amyloidosis of orbit is extremely rare. We reported a case of primary localized lacrimal gland amyloidosis.