Subungual glomus tumour showing an unusual presentation

Jayasree, Puravoor; Kaliyadan, Feroze; Elizabeth, Mintu Joyce; Bhaskara, KG

doi:10.1111/ajd.13018

Cited by 2 publications

(5 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition to the direct visualization of the GT, secondary nail bed and nail plate changes should be evaluated. The presence of LE has been repeatedly reported as an additional finding in SUGTs 6,12,20 . In this sense, pattern S2, composed by a structureless purplish to red subungual spot and LE, reached a Sp of more than 95% in our study, while S decreased until near 40%.…”

Section: Discussionsupporting

confidence: 78%

“…The presence of LE has been repeatedly reported as an additional finding in SUGTs. 6,12,20 In this sense, pattern S2, composed by a structureless purplish to red subungual spot and LE, reached a Sp of more than 95% in our study, while S decreased until near 40%. As previously described by Alessandrini et al, we have observed that LE in SUGTs frequently did not reach the distal margin of the nail plate.…”

Section: Discussionsupporting

confidence: 57%

See 1 more Smart Citation

Dermoscopy of glomus tumour: a cross‐sectional study of 86 cases

Álvarez‐Salafranca

Bañuls

Thomas

et al. 2022

Acad Dermatol Venereol

View full text Add to dashboard Cite

Background Glomus tumours (GTs) are benign cutaneous neoplasms derived from the neuromyoarterial apparatus with a strong predilection for acral sites, especially the subungual space. Current data regarding dermoscopy of these lesions are very limited. Objectives To analyse the dermoscopic structures and patterns seen in a large series of subungual (SUGTs) and extraungual glomus tumours (EUGTs) and to determine their diagnostic significance. Methods Clinical and dermoscopic images of 86 histopathologically proven cases of GTs (47 SUGTs and 39 EUGTs) collected from 9 hospitals in Spain, France, Italy, and Brazil were evaluated for the presence of dermoscopic structures and patterns. Similarly, 189 and 185 dermoscopic images of other ungual tumours and other extraungual non‐pigmented tumours, respectively, were evaluated for the same structures and patterns. Finally, we evaluate diagnostic testing accuracy calculating sensitivity (S), specificity (Sp), and positive and negative predictive values of the different patterns for the diagnosis of GT. Results Regarding SUGTs, four patterns were built from the combination of different structures. The pattern composed of a structureless purplish/red subungual spot with or without vessels reached the highest S (S1, 78.8%). The combination of a structureless purplish/red subungual spot and longitudinal erythronychia (LE) (S2) is highly specific (96.3%). Patterns S3 (proximal purplish/red subungual spot, LE, and distal notch) and S4 (bed subungual spot and onycholysis) are the most specific and exclusive of matrix and bed tumours, respectively. The most consistent pattern in EUGTs is composed of a structureless purplish‐white to reddish‐white homogeneous area and linear unfocused vessels (E) (S: 61.5%, Sp: 95.7%). EUGTs did not show lacunae, unlike other vascular tumours. Conclusions Dermoscopy is helpful in improving the diagnostic accuracy of GTs, not only in SUGTs but also when these lesions arise out of the ungual apparatus.

show abstract

Section: Discussionsupporting

confidence: 78%

Section: Discussionsupporting

confidence: 57%

Dermoscopy of glomus tumour: a cross‐sectional study of 86 cases

Álvarez‐Salafranca

Bañuls

Thomas

et al. 2022

Acad Dermatol Venereol

View full text Add to dashboard Cite

show abstract

“…An abnormally increased local vascular pattern (including tumor vessels) may also contribute to the red bands. The thinned out transparent nail plate makes the erythronychia even more apparent 17,33 . The intervening white opaque bands could also be a result of matrix dysfunction (true leukonychia) or pressure effect of the vascular tumor (apparent leukonychia).…”

Section: Discussionmentioning

confidence: 99%

“…The thinned out transparent nail plate makes the erythronychia even more apparent. 17,33 The intervening white opaque bands could also be a result of matrix dysfunction (true leukonychia) or pressure effect of the vascular tumor (apparent leukonychia). Onychoscopic findings of ramified telangiectasia and polymorphic vessels have been described in subungual glomus tumors, more commonly during intraoperative examination 8,10,[12][13][14][15][16] Figure 9 (a) Excised glomus specimen with smooth outline (b) Excised glomus with a lobulated surface (c) Excised glomus which was retrieved fragmented.…”

Section: Discussionmentioning

confidence: 99%

“…The subsurface visualization facilitated by onychoscopy can be particularly useful in picking up clues pointing to a diagnosis of glomus tumor, giving a better idea of its origin and location within the nail apparatus. So far there have been few case reports presenting onychoscopy findings in cases of subungual glomus tumor and their application in evaluating tumor dimensions 8–17 …”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Clinical and onychoscopic characteristics of subungual glomus tumor: a cross‐sectional study

2020

Self Cite

View full text Add to dashboard Cite

Background Subungual glomus tumor is a relatively uncommon entity with varied clinical presentations which may lead to diagnostic delays. Onychoscopy can be used as an evaluation tool in routine evaluation of glomus tumors. Objectives and methods With an aim to characterize the onychoscopic features of subungual glomus tumors, we analyzed 15 cases presenting over 3 years, in this observational study. The clinical, onychoscopic, radiological, and operative findings in these patients were evaluated and correlated depending on the location and extent of the lesions. Results All 15 patients (11 female and 4 male) had pain as the presenting symptom and fulfilled the classic triad of paroxysmal pain, cold sensitivity, and positive Love's pin test. Clinical nail plate findings included onycholysis, onychorrhexis with distal splitting, and onychoschizia, while nail bed and matrix findings included localized erythematous and bluish patches, longitudinal erythema, and altered lunula. Onychoscopy corroborated the clinical findings and revealed a more extensive area of involvement in five cases. Definitive onychoscopy findings included a localized structureless erythema interspersed with bluish and patchy whitish areas (five cases of nail bed and six nail matrix tumors) and a “candy‐cane appearance” (six cases, all large and lobulated nail matrix tumors). MRI reported the tumor in 13 cases, while two nail matrix tumors were missed. Transungual excision revealed tumors larger in size than predicted by MRI. The presence of candy‐cane appearance was consistent with lobulated matrix tumors. Conclusion Onychoscopy improves the intraoperative detection of location and extent of subungual glomus tumors. Nail bed and nail matrix glomus tumors can have distinctive onychoscopic features that may help in better surgical planning.

show abstract

Subungual glomus tumour showing an unusual presentation

Cited by 2 publications

References 7 publications

Dermoscopy of glomus tumour: a cross‐sectional study of 86 cases

Dermoscopy of glomus tumour: a cross‐sectional study of 86 cases

Clinical and onychoscopic characteristics of subungual glomus tumor: a cross‐sectional study

Contact Info

Product

Resources

About