# 色素(Pigment) - 器官 / 系统:膀胱 / 泌尿系统(urinary-bladder / urinary-system) - NTP 数据编号:ntp-0198 - 规范 URL:https://www.labsmart.cn/ntp/urinary-bladder-pigment.html - 中文图谱总页锚点:https://www.labsmart.cn/ntp-atlas.html#urinary-bladder-pigment - 原始出处:https://ntp.niehs.nih.gov/atlas/nnl/urinary-system/urinary-bladder/Pigment - 授权:美国联邦政府作品,公有领域;引用请标注 NTP Nonneoplastic Lesion Atlas - 适用说明:仅供科研使用,不用于临床诊断 ## 一句话结论 啮齿类动物膀胱中色素沉积罕见报道。最常见的色素是含铁血黄素(hemosiderin)(Figure 1)。 ## 病变描述(中文) 啮齿类动物膀胱中色素沉积罕见报道。最常见的色素是含铁血黄素(hemosiderin)(Figure 1)。给予染料化合物后可见尿路上皮色素沉着。 ## 诊断与分级建议(NTP 共识,中文) 色素沉积应当诊断并给出严重程度分级。除用于含铁血黄素的普鲁士蓝(Prussian blue)染色外,即使使用一系列特殊染色,在组织学切片中明确鉴定色素类型通常也很困难。因此,推荐诊断为“色素沉积”(而非诊断色素类型,例如含铁血黄素或脂褐素)更为恰当。病理学描述应描述色素的形态学特征。 ## 英文原文 · Comment Pigment is rarely reported in urinary bladders of rodents. The most common pigment is hemosiderin ( Figure 1 ). Pigmentation of urothelium has been observed with administered dye compounds. ## 英文原文 · Recommendation Pigment should be diagnosed and given a severity grade. With the exception of Prussian blue staining for hemosiderin, definitive pigment identification is often difficult in histologic sections, even with a battery of special stains. Therefore, it is recommended that a diagnosis of “pigment” (as opposed to diagnosing the type of pigment, e.g., hemosiderin or lipofuscin) is more appropriate. The pathology narrative should describe the morphologic features of the pigment. ## 配图 - https://www.labsmart.cn/ntp-atlas-images/ntp_1148.jpg 整理:北京天融慧通科技有限责任公司(LabSmart)| https://www.labsmart.cn