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Actinic Lichen Planus

Lichen Planus Pigmentosa


Presentation

  • The biopsy specimen and the clinical presentation were consistent with lichen planus actinicus.[escholarship.org]
  • A 23-year-old Italian woman presented with asymptomatic, symmetric, hyperpigmented patches on her face. The dermatosis became exacerbated in summer and closely resembled melasma.[ncbi.nlm.nih.gov]
  • Classic lichen planus typically presents as erythematous to violaceous flat-topped papules that are pruritic and polygonal.[mdedge.com]
Prognathism
  • The presence of prognathism, involvement of the lower lip, and flares associated with sunlight reinforces the role of sun exposure in the development of this condition. 2017 The Author(s). Published by S.[karger.com]
Recent Dental Work
  • She did not have any recent dental works and was a nonsmoker. She had a past medical history of uterine leiomyoma. There were no new medications or exposures, apart from a recent course of oral cefuroxime.[karger.com]
Tooth Loss
  • Pulp calcification Pulp stone Pulp canal obliteration Pulp necrosis Pulp polyp Pulpitis Regional odontodysplasia Resorption Shovel-shaped incisors Supernumerary root Taurodontism Trauma Avulsion Cracked tooth syndrome Vertical root fracture Occlusal Tooth[en.wikipedia.org]
Follicular Plugging
  • Lichen planus actinicus lacks follicular plugging, thickening of the basement membrane, and the periadnexal inflammatory infiltrate seen in cutaneous lupus erythematosus. 2 Papillary dermal edema, which is present in polymorphous light eruption, is not[mdedge.com]
Mandibular Prognathism
  • Interestingly, the mandibular prognathism of our patient and resultant protuberance of her lower lip were an anatomic risk factor for increased sun exposure. This explains the sole involvement of her lower lip.[karger.com]

Workup

  • […] immunoglobulin A [IgA]) and complement Linear or shaggy deposits of fibrin and fibrinogen in the basement membrane zone In the upper dermis, a bandlike infiltrate of lymphocytic (primarily helper T) and histiocytic cells with many Langerhans cells See Workup[emedicine.medscape.com]
Human Herpesvirus 8
  • It is an AIDS-defining illness and is caused by a γ herpesvirus, the Kaposi sarcoma herpesvirus (KSHV), also called Human Herpesvirus-8 ( HHV-8 ). It is recommended that KS should be confirmed histopathologically (healing of the biopsy site).[dvkeywords.blogspot.com]

Treatment

  • Various treatment strategies have been applied to help resolve or improve the appearance of lichen planus pigmentosus lesions; however, an optimal treatment method is yet to be elucidated.[jcadonline.com]
  • Conventional treatment: Use of local cortisone is the most common mode for the treatment of LPP. Homeopathic Treatment: The condition takes a long duration to evolve and slow to respond to treatment.[askdrshah.com]
  • 29998176 ) Venturini M...Calzavara-Pinton P 2018 3 Actinic Lichen Planus. ( 30218531 ) Tiwary AK 2018 4 Actinic lichen planus triggered by drug photosensitivity. ( 30372553 ) Munera-Campos M...Carrascosa JM 2018 5 Oral prednisone: A unique and effective treatment[malacards.org]
  • The clinical manifestations of lichen planus actinicus and treatments are discussed. Clinical synopsis A 53-year-old woman presented to the Charles C.[escholarship.org]
  • Sometimes, it may last months to years and be refractory to treatment.[pigmentinternational.com]

Prognosis

  • Keywords: Lichen planus, children, epidemiology, pathogenesis, clinical features, diagnosis, management, prognosis How to cite this article: Kanwar AJ, De D. Lichen planus in children.[ijdvl.com]
  • It resembles bullous pemphigoid, but carries a better prognosis.[medcaretips.com]
  • Lichens Planus prognosis The lichens planus prognosis can be considered good as most of the cases resolves in 18 months but reoccurrence is often observed.[naturalcureproducts.wordpress.com]

Etiology

  • Etiology Etiology is unknown. The documents contained in this web site are presented for information purposes only.[orpha.net]
  • Although the etiology is essentially unknown, a number of agents have been reported to act as predisposing factors.[e-ijd.org]
  • J Clin Aesthet Dermatol. 2016;9(11):44–50 Lichen planus pigmentosus (LPP) is considered a macular variant of lichen planus with an unknown etiology.[jcadonline.com]
  • […] for this disorder include: summertime actinic lichenoid eruption, 2,6 lichen planus atrophicus annularis, 2 lichen planus in subtropical countries, 3,4 lichen planus subtropicus, 5 lichen planus tropicus, and lichenoid melanodermatitis. 7 Although the etiology[mdedge.com]

Epidemiology

  • Summary Epidemiology The exact prevalence is unknown. It is extremely rare in Caucasians but it is more common in dark-skinned populations, particularly in young adults.[orpha.net]
  • The aim of this work was to determine the epidemiological, anatomic and clinical features of actinic lichen planus in our region.[pesquisa.bvs.br]
  • Keywords: Lichen planus, children, epidemiology, pathogenesis, clinical features, diagnosis, management, prognosis How to cite this article: Kanwar AJ, De D. Lichen planus in children.[ijdvl.com]
  • The second relatively large study of 124 Indian patients was published by Kanwar et al. in 2003, describing the clinical, epidemiological, and histopathological features of LPP in Indian patients.[pigmentinternational.com]
  • Epidemiology : EPIDEMIOLOGY  Risks for the condition include:  Exposure to medicines, dyes, and other chemicals (including gold, antibiotics, arsenic, iodides, chloroquine, quinacrine, quinide, phenothiazines, and diuretics)  Diseases such as hepatitis[slideshare.net]
Sex distribution
Age distribution

Pathophysiology

  • Case Overview lichen planus Member Rated 0 Patient case no. 11001 Date added 05 July 2011 Patient details Age Adult Location Iran Localisation Head / face Primary Lesions Annular plaque Pathophysiology lichen planus and lichenoid disorders / lichen planus[dermquest.com]
  • […] darkening effects of ultraviolet (UV) radiation and the exacerbation of hyperpigmentation.[11] Supplementation with daily 1000 IU vitamin D is an important consideration as this patient population is also at risk of developing a deficiency.[11] The pathophysiology[jcadonline.com]
  • "Pathophysiology, etiologic factors, and clinical management of oral lichen planus, part I: facts and controversies". Clinics in Dermatology. 28 (1): 100–8. doi : 10.1016/j.clindermatol.2009.03.004.[en.wikipedia.org]
  • Image Credit Pathophysiology of Lichen Planus The exact cause of lichen planus is not known, although it is immunologically mediated. The initiating antigen is unclear.[medcaretips.com]
  • .  Lichen planus has been found to be associated with hepatitis C virus infection, chronic active hepatitis, and primary biliary cirrhosis  It is most likely an immunologically mediated reaction, though the pathophysiology in unclear.[slideshare.net]

Prevention

  • Wearing sunscreen and avoiding excessive sun exposure can help prevent sun damage and actinic keratoses Contact Us For more information or to schedule an appointment, call (310) 825-6911.[uclahealth.org]
  • Your skin Holds body fluids in, preventing dehydration Keeps harmful microbes out, preventing infections Helps you feel things like heat, cold, and pain Keeps your body temperature even Makes vitamin D when the sun shines on it Anything that irritates[icdlist.com]
  • Prevention and Prophylaxis Prevention of actinic keratosis is achieved through the use of effective UVA/UVB sunscreens, on the face, ears, neck, and other sun exposed areas of the skin.[skincancer.dermis.net]

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