Diagnóstico do tumor glômico pela dermatoscopia do leito e da matriz ungueal

Maehara, Laura de Sena Nogueira; Ohe, Eugenia Maria Damasio; Enokihara, Mauro Yoshiaki; Michalany, Nílceo Schwery; Yamada, Sérgio; Hirata, Sérgio Henrique

doi:10.1590/s0365-05962010000200018

Cited by 30 publications

(14 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Dermoscopy with gel can be very useful to obtain better visualization of the mass; the tumor appears as a deep red-purple discolored area with blurred borders (Fig. 15), or as a band of longitudinal erythronychia that does not usually reach the distal margin [16]. The intensity of the red color contrasts with the pale pink color of the surrounding nail bed and with the white color of the lunula [17].…”

Section: Alterations Of the Nail Platementioning

confidence: 99%

See 1 more Smart Citation

Dermoscopy in the Evaluation of Nail Disorders

Alessandrini

Starace

Piraccini³

2017

Skin Appendage Disord

View full text Add to dashboard Cite

Nail dermoscopy was initially used only in the assessment of nail pigmentation, but now it is widely utilized for the evaluation of many nail disorders. In daily practice, dermoscopy may confirm clinical diagnoses and guides in the management of nail diseases and treatments, permitting a better visualization of symptoms. Dry dermoscopy is required for evaluation of the nail plate surface, while gel as an interface is necessary for assessment of nail pigmentation and onycholysis, as well as for the evaluation of the distal nail margin. In this review, we describe the dermoscopic features of the most important nail disorders, looking at the different areas of the nail. Dermatoscopic changes that usually accompany specific nail diseases are also reviewed.

show abstract

Section: Alterations Of the Nail Platementioning

confidence: 99%

“…This method helps in the delimitation of surgical margins. Nail bed onychoscopy may also show residual macroscopic tumor foci [16]. …”

Section: Alterations Of the Nail Platementioning

confidence: 99%

Dermoscopy in the Evaluation of Nail Disorders

Alessandrini

Starace

Piraccini³

2017

Skin Appendage Disord

View full text Add to dashboard Cite

show abstract

“…They arise from myoarterial structures (Hoyer-Grossersche organs) of the nail unit [16]. Nearly two-thirds of glomus tumors are localized on the hands, particularly the subungual region.…”

Section: Other Neoplasms Of the Nail Unitmentioning

confidence: 99%

“…In addition to numerous clinical tests that examine the painfulness and the increased sensitivity to cold, the use of dermatoscopy helps to localize the tumors and to visualize the vascular pattern of the lesion. Furthermore, the use of dermatoscopy facilitates the delimitation of surgical margins before treatment (Figure 10A, B) [16]. …”

Section: Other Neoplasms Of the Nail Unitmentioning

confidence: 99%

When all you have is a dermatoscope—start looking at the nails

Haenssle

Blum

Hofmann‐Wellenhof

et al. 2014

Dermatol Pract Concept

View full text Add to dashboard Cite

Pigmented and non-pigmented nail alterations are a frequent challenge for dermatologists. A profound knowledge of clinical and dermatoscopic features of nail disorders is crucial because a range of differential diagnoses and even potentially life-threatening diseases are possible underlying causes. Nail matrix melanocytes of unaffected individuals are in a dormant state, and, therefore, fingernails and toenails physiologically are non-pigmented. The formation of continuous, longitudinal pigmented streaks (longitudinal melanonychia) may either be caused by a benign activation of matrix melanocytes (e.g., as a result of trauma, inflammation, or adverse drug reactions) or by a true melanocytic proliferation (e.g., in a nevus or melanoma). In general, non-continuous nail alterations, affecting only limited parts of the nail apparatus, are most frequently of non-melanocytic origin. Important and common differential diagnoses in these cases are subungual hemorrhage or onychomycosis. In addition, foreign bodies, bacterial infections, traumatic injuries, or artificial discolorations of the nail unit may less frequently cause non-continuous nail alterations. Many systemic diseases that may also show involvement of the nails (e.g., psoriasis, atopic dermatitis, lichen planus, alopecia areata) tend to induce alterations in numerous if not all nails of the hands and feet. A similar extensive and generalized alteration of nails has been reported after treatment with a number of systemic drugs, especially antibiotics and cytostatics. Benign or malignant neoplasms that may also affect the nail unit include glomus tumor, Bowen’s disease, squamous cell carcinoma, and rare collision tumors. This review aims to assist clinicians in correctly evaluating and diagnosing nail disorders with the help of dermatoscopy.

show abstract

“…Previously reported dermoscopic findings include discrete linear vascular structure on nail plate and numerous ramified telangiectasias on nail bed and matrix,[2] altered pigmentary network, and pinkish glow. [3] However, these findings are not universal.…”

mentioning

confidence: 99%