Warts

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 Authored by: Luc Thomas     ·  Amélie Boespflug

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Author(s) Luc Thomas · Amélie Boespflug
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Infection by human papillomavirus may lead to keratinocyte proliferation, that is responsible when located near the nailThis glossary term has not yet been described. or peri-ungual and subungual wartsThis glossary term has not yet been described.[1]. NailThis glossary term has not yet been described. dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. can helpRefers to giving assistance or support to others for mutual benefit diagnose subclinical subungual and peri-ungual warts that appear on the hyponychium, the proximal nail fold and can extend to the nail bed.

Subungueal wart - clinical aspect 1097d.JPG.jpg

Clinically they appear as red scally papules. DermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. shows a punctate rough surface and dilated capillaries of the papillary dermis[2], on a yellow structureless background with red or black dots with short lines that correspond to past hemorrhages and vesselsThis glossary term has not yet been described. that are important to differentiate these lesions with corn, callus, or a clavus[3].

Subungueal wart clinical aspect Subungueal wart -dermoscopic aspect


Trans-illumination can also help the diagnosisis the identification of the nature and cause of a certain phenomenon. Diagnosis is used in many different disciplines with variations in the use of logic, analytics, and experience to determine "cause and effect". In systems engineering and computer science, it is typically used to determine the causes of symptoms, mitigations, and solutions of patients with a subungual wart[4].


Important differential diagnosis are squamous cell carcinomaThis glossary term has not yet been described.[5], melanomaThis glossary term has not yet been described.[6], Bowenalso known as squamous cell carcinoma in situ[1] is a neoplastic skin disease. It can be considered as an early stage or intraepidermal form of squamous cell carcinoma. It was named after John T. Bowen’s disease[7]subungual exostosis [8]

ReferencesThis is material contained in a footnote or bibliography holding further information.
  1. Tschandl P, Rosendahl C, Kittler H. Cutaneous Human Papillomavirus Infection: Manifestations and Diagnosisis the identification of the nature and cause of a certain phenomenon. Diagnosis is used in many different disciplines with variations in the use of logic, analytics, and experience to determine "cause and effect". In systems engineering and computer science, it is typically used to determine the causes of symptoms, mitigations, and solutions. vol. 45, 2014, p. 92–7.
  2. Piraccini BM, Bruni F, Starace M. Dermoscopy of non-skin cancerThis glossary term has not yet been described. nail disorders. Dermatologic Therapy 2012;25:594–602.
  3. Bae JM, Kang H, Kim HO, Park YM. Differential diagnosis of plantar wart from corn, callus and healed wart with the aid of dermoscopy. The British Journal of Dermatology 2009;160:220–2.
  4. Ashique KT, Kaliyadan F. Transillumination: A simple tool to assess subungual extension in periungual warts. Indian Dermatology OnlineOnline means that something is available over, or delivered from, the internet. Journal 2013;4:131–2.
  5. Robinette J, Day F, Hahn P. Subungual squamous cell carcinoma mistaken for a verruca. Journal of the American Podiatric Medical Association 1999;89:435–7.
  6. Arpaia N, Filotico R, Mastrandrea V, Cassano N, Vena GA. AcralPertaining to peripheral body parts, especially hands, feet, fingers, and toes. viral wart showing a parallel ridge patternVolar pigmentation forming lines, parallel, diffuse and irregular, along the ridges or cristae superficiales (raised portion of the dermatoglyphics) on dermatoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections.. European Journal of Dermatology : EJD n.d.;19:381–2.
  7. Ramirez-Fort MK, Ramirez-Fort MK. Human papillomavirus-induced periungual pigmented Bowen’s disease. Dermatology Practical & Conceptual 2012;2.
  8. Daragad M, Srinivas S, Varghese J. Exostosis masquerading as a subungual wart. Indian Dermatology Online Journal 2014;5:92.