08 January 2024
: Case report 
A 65-Year-Old Man Presenting to the Emergency Department with Gastric Hemorrhage Caused by a Glomus Tumor
Challenging differential diagnosis, Rare disease
Mariana Deacu12ABG, Madalina Bosoteanu12CD, Cristian-Ionut Orășanu
13AEF*, Oana Andreea Ursica1BF, Raluca Ioana Voda13EF
DOI: 10.12659/AJCR.942610
Am J Case Rep 2024; 25:e942610
Table 1. Interpretation of immunohistochemistry performed for the diagnosis of glomus tumor.
| Immunomarker | Clone | Reaction | Quantification |
|---|---|---|---|
| Collagen IV | ZM 177 | Present | Strongly cytoplasmic and membranous |
| Smooth muscle actin | 1A4 | Present | Strongly cytoplasmic |
| Ki-67 | MIB-1 | Present | Strong nuclear, 1/50 high-power fields |
| Vimentin | ZR 381 | Present | Weak cytoplasmic |
| Chromogranin A | ZM 12 | Negative | – |
| DOG1 | DOG 1.1 | Negative | – |
| HMB45 | HMB 45 | Negative | – |
| Desmin | D 33 | Negative | – |
| CD 31 | JC/70A | Negative | – |