同步多重原发性恶性瘤或转差?-在Xeroderma pigmentosum病例中的诊断挑战
Sandhyarani M Kanna1, Supriya Sandeepa1, K N Mukund2
1Department of Pathology, Dr. Chandramma Dayananda Sagar Institute of Medical Education and Research, Dayananda Sagar University, Ramanagara, Karnataka, India.
Indian journal of pathology & microbiology
|September 2, 2024
概括
Xeroderma pigmentosum (XP) 患者很少发生非皮肤性恶性瘤. 这一案例突出了 XP 患者的同步黑色素瘤和血管肉瘤,其中血管肉瘤中的黑色素最初表明黑色素瘤转差.
科学领域:
- 在瘤学瘤学.
- 皮肤病学 皮肤病学
- 遗传学 遗传学是一种遗传学.
背景情况:
- 具有相似组织学的同步瘤带来了诊断挑战.
- Xeroderma pigmentosum (XP) 是一种罕见的遗传疾病,与癌症风险增加有关.
- 在XP患者中,非皮肤性恶性瘤并不常见.
研究的目的:
- 报告一种罕见的同步黑色素瘤 (MM) 和血管肉瘤 (AS) 病例,患者患有XP.
- 讨论由相似的组织学和黑色素存在引起的诊断困难.
- 强调免疫组织化学在区分这些同步瘤中的作用.
主要方法:
- 临床表现和组织病理学检查.
- 针对黑色素瘤标记物 (Melan A,SOX-10,S 100) 和血管标记物 (ERG,CD31,CD34) 的免疫组织化学 (IHC).
主要成果:
- 该患者出现了同步头皮黑色素瘤和脸血管肉瘤.
- 脸瘤中的黑色素颜色最初表明黑色素瘤转差.
- IHC通过对黑色素瘤标志物呈阴性,对血管标志物呈阳性来证实AS,排除了转差.
结论:
- 在XP中同步瘤需要仔细评估,特别是当组织学相似时.
- 免疫组织化学对于准确诊断和区分模两可的瘤类型至关重要.
- 血管肉瘤中黑色素的存在可能会误导诊断,这强调了彻底的病理评估的重要性.
更多相关视频
10:27Testing Targeted Therapies in Cancer using Structural DNA Alteration Analysis and Patient-Derived Xenografts
Published on: July 25, 2020
7.2K
09:37Combining Reflectance Confocal Microscopy with Optical Coherence Tomography for Noninvasive Diagnosis of Skin Cancers via Image Acquisition
Published on: August 18, 2022
2.3K
相关概念视频
01:30Skin Cancer
4.0K
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
4.0K
01:33Pleiotropy
40.3K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
40.3K