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©The Author(s) 2025.
World J Gastrointest Oncol. Feb 15, 2025; 17(2): 99662
Published online Feb 15, 2025. doi: 10.4251/wjgo.v17.i2.99662
Published online Feb 15, 2025. doi: 10.4251/wjgo.v17.i2.99662
Table 2 Microscopic and immunohistochemical findings of the 7 cases
Findings | Positive/total | Percentage | Findings | Positive/total | Percentage |
Tumor size > 5 cm | 4/7 | 57.1 | SMA | 3/6 | 50.0 |
High nuclear grade | 3/7 | 42.9 | MiTF | 3/5 | 60.0 |
Infiltrative growth | 5/7 | 71.4 | TFE3 | 1/7 | 14.3 |
Vascular invasion | 4/7 | 57.1 | Desmin | 3/7 | 42.9 |
Necrosis | 2/7 | 28.6 | S100 | 1/6 | 16.7 |
Mitosis > 1/50 HPF | 3/7 | 42.9 | CD117 | 1/7 | 14.3 |
Pan-cytokeratin | 0/5 | 0 | CD34 | 0/5 | 0 |
HMB45 | 6/7 | 85.7 | CD10 | 0/5 | 0 |
Melan A | 5/7 | 71.4 | Myo D1 | 1/7 | 14.3 |
- Citation: Ma MF, Chi ZY, Zhao LJ, Zhai W, Zhong W, Wang S. Malignant perivascular epithelioid cell tumor of the colorectum: Clinicopathological characterization, diagnosis and treatment process of 7 cases. World J Gastrointest Oncol 2025; 17(2): 99662
- URL: https://www.wjgnet.com/1948-5204/full/v17/i2/99662.htm
- DOI: https://dx.doi.org/10.4251/wjgo.v17.i2.99662