坏死Necrosis · 胰岛 · 内分泌系统 · NTP ntp-0091
诊断要点:出现该病变时,应当作出诊断并进行分级。严重程度分级依据受累胰岛的数量和坏死的程度确定。
病变描述
胰岛(pancreatic islets)中β细胞(beta cell)的坏死与锌缺乏以及与结合锌的外源化学物(xenobiotics)有关。受影响的β细胞通常皱缩、呈强嗜酸性(hypereosinophilic),并伴有核固缩(pyknotic nuclei)。β细胞的丢失可遗留空泡(Figure 1)。
诊断与分级建议(NTP 共识)
出现该病变时,应当作出诊断并进行分级。严重程度分级依据受累胰岛的数量和坏死的程度确定。相关病变,如炎症,若其严重程度足以需要诊断,则应单独诊断。
图谱

英文原文
展开 NTP 官方英文描述与建议
Comment:
Necrosis of beta cells in pancreatic islets has been associated with zinc deficiency and with xenobiotics that bind zinc. Affected beta cells are typically shrunken and hypereosinophilic with pyknotic nuclei. The loss of beta cells can leave empty vacuoles ( Figure 1 ).
Recommendation:
When present, this change should be diagnosed and graded. Severity grading is determined by the number of islets affected and the magnitude of the necrosis. Associated lesions, such as inflammation, should be diagnosed separately if warranted by severity.
来源与引用
原始条目:https://ntp.niehs.nih.gov/atlas/nnl/endocrine-system/pancreatic-islets/Necrosis
图谱总目录:NTP Nonneoplastic Lesion Atlas。 内容属美国联邦政府作品(公有领域),可引用;引用时请标注来源。
建议引用格式:NTP Nonneoplastic Lesion Atlas. Necrosis (pancreatic-islets). LabSmart 中文版:
https://www.labsmart.cn/ntp/pancreatic-islets-necrosis.html
中文图谱总页(可展开对照全部 595 条):https://www.labsmart.cn/ntp-atlas.html#pancreatic-islets-necrosis