Glomus tumor other diagnostic studies
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Soujanya Thummathati, MBBS [2] Roukoz A. Karam, M.D.[3]
Overview
Overview
Other diagnostic studies for glomus tumor include immunohistochemistry staining, which demonstrates glomus cells positive for vimentin and alpha-smooth muscle actin and negative for desmin.[1]
Other Diagnostic Studies
Other Diagnostic Studies
- Other diagnostic studies for glomus tumor include immunohistochemistry staining, which demonstrates the following:[1][2]
- Other diagnostic studies for glomus tumors include clinical tests, such as:
- Love test[3][4]
- Orientative
- Probing with a needle or pointed instrument triggers pain in the affected area but not the area immediately adjacent to it
- Sensitivity= 100%
- Specificity= 0%
- Hildreth sign[3]
- Occurence of pain following induction of ischemia by application of a tourniquet to the glomus tumor mimicking median nail dystrophy (the longitudinal splitting in the midline of the nail)
- Highlights the vascular nature of the lesion
- Sensitivity= 77.4% – 92%
- Specificity= 91% – 100%
- Cold-sensitivity test[5]
- Application of cold water or ethanol to the affected area reproducing the symptoms
- Sensitivity= 100%
- Specificity= 100%
- Transillumination test[5][6]
- Performed in a darkened room by passing light through the finger pad
- An opaque red image is observed in the region of the tumor that allows estimation of its size
- Sensitivity= 23% – 38%
- Specificity= 90%
- Love test[3][4]
References
References
- ↑ 1.0 1.1 Kaye VM, Dehner LP (1991). “Cutaneous glomus tumor. A comparative immunohistochemical study with pseudoangiomatous intradermal melanocytic nevi”. Am J Dermatopathol. 13 (1): 2–6. PMID 1848411.
- ↑ Mravic M, LaChaud G, Nguyen A, Scott MA, Dry SM, James AW (2015). “Clinical and histopathological diagnosis of glomus tumor: an institutional experience of 138 cases”. Int J Surg Pathol. 23 (3): 181–8. doi:10.1177/1066896914567330. PMC 4498398. PMID 25614464.
- ↑ 3.0 3.1 Pater TJ, Marks RM (2004). “Glomus tumor of the hallux: case presentation and review of the literature”. Foot Ankle Int. 25 (6): 434–7. doi:10.1177/107110070402500614. PMID 15215032.
- ↑ Rohrich RJ, Hochstein LM, Millwee RH (1994). “Subungual glomus tumors: an algorithmic approach”. Ann Plast Surg. 33 (3): 300–4. PMID 7985967.
- ↑ 5.0 5.1 Kale SS, Rao VK, Bentz ML (2006). “Glomus tumor of the index finger”. J Craniofac Surg. 17 (4): 801–4. PMID 16877938.
- ↑ Ekin A, Ozkan M, Kabaklioglu T (1997). “Subungual glomus tumours: a different approach to diagnosis and treatment”. J Hand Surg Br. 22 (2): 228–9. PMID 9149994.
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