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題 名 | Bullous Pemphigoid--Analysis of Immunofluorescence Study in 20 Cases=類天疱瘡--20例之免疫螢光分析 |
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作 者 | 許乃仁; 陳自強; | 書刊名 | 中華皮膚科醫學雜誌 |
卷 期 | 16:4 1998.12[民87.12] |
頁 次 | 頁242-250 |
分類號 | 415.766 |
關鍵詞 | 類天疱瘡; 免疫螢光分析; Bullous pemphigoid; Immunofluorescence; |
語 文 | 英文(English) |
中文摘要 | 我們選出1991 至1996 年間,20 例診斷為類天�紗H的病例做免疫螢光分析。取 病灶旁正常皮膚做直接免疫螢光檢查 (DIF), C3 呈現明顯的螢光反應於 20 例 (100%) 表 皮及真皮交界處,其中 13 例 (65%) IgG 出現明顯陽性反應。 取病人血清做間接免疫螢光 檢查 (IIF) 有則 11 例 (55%) 出現 IgG 陽性反應。以 1.0 M 氯化鈉溶液浸泡處理後裂開 的病灶旁皮膚做直接免疫螢光檢查, 19 例中原本 7 例 IgG 為微弱及陰性反應者,經此法 處理後有 6 例 IgG 呈明顯陽性反應,合計 IgG 呈現明顯陽性反應者有 18 例 (18/19, 94.7%)。以 1.0M 氯化鈉溶液浸泡處理後裂開的正常皮膚做間接免疫螢光檢查,20 例中有 18 例 (18/20, 90%) IgG 呈現陽性的螢光反應,其中表皮側有 16 例,皮表側及真皮側均 有者 2 例。 由以上結果推論, 相較於傳統的直接免疫螢光檢查及間接免疫螢光檢查,以 1.0 M 氯化鈉溶液浸泡處理的方法,無論是直接或間接免疫螢光檢查均可提高檢查的敏感度 。 |
英文摘要 | From 1991 to 1996, we collected 20 cases which were diagnosed as bullous pemphigoid for immunofluorescence study. Specimens of clinically normal perilesional skin were obtained for direct immunofluorescence (DIF) study. Linear deposits of C3 along D-E junction were observed in all 20 cases (100%), and 13 cases revealed linear IgG deposits (65%). Serum specimens obtained from the above-mentioned patients were tested for indirect immunofluorescence (IIF) study and linear deposits of IgG along the D-E junction were found in 11 cases (55%). Routine DIF study revealed positive (at least weak) deposition of IgG along the D-E junction in 65% (13/20) of cases. In comparison, DIF study of NaCl-split perilesional skin was found to be positive in 94.7% (18/19) of cases. IIF of NaCl-treated normal skin was also performing. Eighteen of 20 cases (90%) had positive IgG immunofluorescence. The immunoreactant deposition sites were as follows: epidermal side (16 cases) epidermal and dermal side (2 cases). The results of the study indicate that compared with routine DIF and IIF, immunofluorescence of NaCl-split skin has higher sensitivity. |
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