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Topic: Pityriasis lichenoides et varioliformis acuta

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	Pityriasis lichenoides et varioliformis acuta - Wikipedia, the free encyclopedia
		Pityriasis Lichenoides et Varioliformis Acuta, or Mucha Habermann's Disease, short form PLEVA, is a disease of the immune system.
		It is the more severe version of Pityriasis lichenoides chronica.
		Everyone has T cells that fight disease, In a person with PLEVA the T cells get mixed up and decide to form in the skin causing the lesions.
	en.wikipedia.org /wiki/Pityriasis_lichenoides_et_varioliformis_acuta (247 words)

	PLEVA (Pityriasis Lichenoides et Varioliformis Acuta)
		Pityriasis lichenoides (PL) is a papulosquamous disorder often considered a form of reactive dermatosis and classified with small plaque parapsoriasis (digitate dermatosis).
		Pityriasis lichenoides et varioliformis acuta (PLEVA) is commonly thought of as a disease of young adults, yet we identified five cases, involving patients who were 3, 5, 6, 8, and 11 years of age, among 13,000 consecutive specimens submitted to a general dermatopathology laboratory during a 15-week period.
		Lichenoid dermatitis with scattered foci of necrotic keratinocytes.
	www.thedoctorsdoctor.com /diseases/pleva.htm (3180 words)

	Pityriasis Lichenoides Information: pityriasis lichenoides chronica
		Pityriasis lichenoides is probably a hypersensitivity reaction to a microorganism.
		Pityriasis lichenoides is a rare cutaneous disorder of unknown etiology.
		Pityriasis Lichenoides is characterized by the abrupt onset of a generalized, reddish-brown, maculopapular eruption.
	www.cosmeticsdiary.com /pityriasis-lichenoides.htm (323 words)

	Lichen Spinulosus - New Treatments, October 2, 2005
		Pityriasis lichenoides is encompasses pityriasis lichenoides et varioliformis acuta (PLEVA, Mucha-Habermann disease), which tends to develop acutely, and pityriasis lichenoides chronica (PLC), which follows a chronic course.
		The designation of pityriasis lichenoides as acute or chronic may more properly refer to morphologic appearance of the lesions, which is often hemorrhagic or necrotic in PLEVA, than to the duration of the disease.
		PLEVA presents with an abrupt eruption of numerous papules that have a vesiculopustular and then a purpuric center, are covered by a dark adherent crust, and are surrounded by an erythematous halo.
	www.ccspublishing.com /journals_6a/lichen_spinulosus.htm (1032 words)

	Seborrhoeic Dermatitis (Scalp) - The Trichological Society (Site not responding. Last check: 2007-10-13)
		Pityriasis is a genus of non-pathogenic yeast-like fungi which produce fine spores but no mycelium.
		Pityriasis Lichenoides is a rare non-contagious skin condition that presents as Pityriasis Lichenoides Chronica (PLC- chronic) and Pityriasis Lichenoides et Varioliformis Acuta (PLEVA or Mucha-Haberman disease).
		Pityriasis Rubra Pilaris is a chronic papulo-squamous disease (a skin eruption composed of papules and loose scaly lesions), characterised by a reddish/orange patchy rash on the scalp, chest or face, which may extend to other regions.
	www.hairscientists.org /article14.htm (1360 words)

	Ear Cellulitis and Rash in a Patient With Rheumatoid Arthritis and Diabetes (Site not responding. Last check: 2007-10-13)
		Pityriasis lichenoides et varioliformis acuta (PLEVA), also known as Mucha-Habermann disease, is well known to dermatopathologists but might be unfamiliar to many primary care physicians.
		This brief report describes a case of PLEVA subsequent to cellulitis of the ear pinna, offers a brief review of the disease, and illustrates the importance of the family physician continuing an aggressive workup of a mysterious skin disorder until a clear diagnosis is established.
		PLEVA was not considered in the initial differential diagnosis because the attending physician was unfamiliar with the clinical entity.
	www.familypractice.com /journal/1999/v12.n04/1204.08/art-1204.08.htm (1277 words)

	Pityriasis lichenoides et varioliformis acuta in pregnancy. (Site not responding. Last check: 2007-10-13)
		Pityriasis lichenoides et varioliformis acuta is an uncommon disease, especially during pregnancy.
		In review of the obstetric literature, there was no report of pityriasis lichenoides et varioliformis acuta during pregnancy.
		If pityriasis lichenoides et varioliformis acuta exists in the vagina or cervical bone of the uterus, it is due to infections from lymphatic vasculitis and necrosis.
	medicalcollege.kku.edu.sa /research/0042.htm (148 words)

	BEG, etc. ~ Info Sheet! (Site not responding. Last check: 2007-10-13)
		Pityriasis lichinoides is a distinctive cutaneous eruption characterized by acute and/or chronic morphological phases.
		Histopathologic diagnosis of pityriasis lichenoides et varioliformis acuta and its clinical correlation.
		The constellation of histologic findings described in PLEVA (presence of intraepidermal lymphocytes and erythrocytes, dermal hemorrhage, and so-called lymphocytic vasculitis) is not specific and may be seen in a variety of dermatologic disorders.
	www.glory-of-the-garden.com /plevinfo.htm (1882 words)

	Diagnosis: Pityriasis Lichenoides et Varioliformis Acuta (PLEVA) (Site not responding. Last check: 2007-10-13)
		Her diagnosis was PLEVA, also known as Mucha Habermann's Disease or Pityriasis lichenoides et varioliformis acuta, a little known about skin disorder.
		PLEVA- also known as Pityriasis Lichenoides et Varioliformis Acuta or Mucha Habermann's Disease.
		PLC - Pityriasis Lichenoides Chronica New Message Boards Now Open Message boards are improved and running on new software which should take care of any lingering problems we were having.
	www.treltek.com /pages/D/DIA/88112.html (780 words)

	eMedicine - Pityriasis Lichenoides : Article by Peter A Klein, MD (Site not responding. Last check: 2007-10-13)
		PLEVA presents acutely with 10-50 erythematous–to–reddish brown or purpuric round or ovoid lichenoid papules that are 5-15 mm in diameter.
		PLEVA lesions are characterized by a wedge-shaped superficial and deep dermal lymphohistiocytic infiltrate, confluent parakeratosis, thinning of the granular layer, ballooning of keratinocytes, intraepidermal vesiculation, necrosis of keratinocytes, diffuse disappearance of the dermal-epidermal junction, and dermal edema.
		Weiss LM, Wood GS, Ellisen LW, et al: Clonal T-cell populations in pityriasis lichenoides et varioliformis acuta (Mucha-Habermann disease).
	www.emedicine.com /derm/topic334.htm (3335 words)

	eMedicine - Pityriasis Lichenoides : Article Excerpt by: Peter A Klein, MD (Site not responding. Last check: 2007-10-13)
		Background: Pityriasis lichenoides is a rare cutaneous disorder of unknown etiology.
		Pityriasis lichenoides encompasses a spectrum of clinical presentations ranging from acute papular lesions that rapidly evolve into pseudovesicles and central necrosis (pityriasis lichenoides et varioliformis acuta or PLEVA) to small, scaling, benign-appearing papules (pityriasis lichenoides chronica or PLC).
		A rare severe variant of PLEVA presents with a sudden eruption of diffuse coalescent necrotic ulcerations associated with high fever.
	www.emedicine.com /derm/byname/pityriasis-lichenoides.htm (448 words)

	Pityriasis lichenoides chronica
		Guttate pityriasis lichenoides chronica is an uncommon presentation of this T-cell-mediated disease.
		Pityriasis lichenoides chronica (PLC), which is a benign eruption with lymphocytic infiltrates of the skin, presents as a persistent, erythematous, papular eruption with scale.
		Medium-dose ultraviolet A1 therapy for pityriasis lichenoides et variolformis acuta and pityriasis lichenoides chronica.
	dermatology.cdlib.org /103/NYU/case_presentations/111803n3.html (689 words)

	Clonality in PLEVA: Does It Exist and What Does It Mean? - Journal Watch Dermatology
		Researchers have long suggested that pityriasis lichenoides et varioliformis acuta (PLEVA) has a similar potential, yet only a few isolated cases of clonal rearrangements have been detected in cases of this condition.
		This finding suggests that PLEVA may be part of a spectrum of disorders involving lymphocytic infiltrates in the skin that includes small plaque parapsoriasis and lymphomatoid papulosis.
		As the authors suggest, the host immune response to the neoplastic population of lymphocytes may be brisk enough to control and subdue this population of cells in the vast majority of afflicted patients.
	dermatology.jwatch.org /cgi/content/full/2001/112/1 (372 words)

	Pityriasis Lichenoides (Site not responding. Last check: 2007-10-13)
		Pityriasis lichenoides is a rash with red or brown, raised, scaly patches that can form scars.
		Pityriasis Lichenoides - Pityriasis lichenoides is a rare cutaneous disorder of unknown etiology.
		A rare case of parapsoriasis (pityriasis lichenoides) in a patient with HIV infection.
	erythremia.info /info/Pityriasis-Lichenoides (336 words)

	pityriasis Articles - TextMed
		Expression of cutaneous lymphocyte-associated antigen and TIA-1 by lymphocytes in pityriasis lichenoides et varioliformis acuta and lymphomatoid papulosis: immunohistochemical study.
		Paraneoplastic pityriasis lichenoides in cutaneous lymphoma: case report and review of the literature on paraneoplastic reactions of the skin in lymphoma and leukaemia.
		Transition of pityriasis lichenoides et varioliformis acuta to febrile ulceronecrotic Mucha-Habermann disease is associated with elevated serum tumour necrosis factor-alpha.
	www.textmed.com /disease/pityriasis-articles.htm (373 words)

	Pityriasis lichenoides (PLC, PLEVA). DermNet NZ
		Pityriasis lichenoides is the name given to an uncommon rash of unknown cause.
		PLEVA results in more irritable crusted spots or blisters, which heal to leave small scars looking like those from chicken pox.
		Pityriasis lichenoides may not always respond to treatment and it may recur when treatment is discontinued.
	dermnetnz.org /scaly/pityriasis-lichenoides.html (358 words)

	Is PLC a Clonal T-Cell Lymphoproliferative Disorder? - Journal Watch Dermatology (Site not responding. Last check: 2007-10-13)
		The nature of pityriasis lichenoides chronica (PLC) and its relationship to pityriasis lichenoides et varioliformis acuta (PLEVA) and mycosis fungoides (MF) remain enigmatic.
		Recently, evidence of clonal proliferation has been reported in cases of PLEVA, strengthening the evidence that these entities may be part of a spectrum of lymphoproliferative disorders.
		Differentiation and clonality of lesional lymphocytes in pityriasis lichenoides chronica.
	dermatology.jwatch.org /cgi/content/full/2001/503/1 (222 words)

	Pityriasis Lichenoides - Patient UK
		Epidemiology The precise incidence of Pityriasis lichenoides is not known, although in one survey in the UK over 10 years, only 17 cases were diagnosed in a series of 44,000 patients seen.
		The presentation of pityriasis lichenoides varies with the degree of severity of the disorder.
		Depending on the stage of the disease the lesions of pityriasis lichenoides may resemble those of lichen planus, guttate psoriasis, vasculitis, herpetic lesions, non-specific viral rashes and syphilis.
	www.patient.co.uk /showdoc/40024587 (801 words)

	pityriasis lichenoides plus lymphomatoid papulosis (Site not responding. Last check: 2007-10-13)
		The salient features of the possible relationship of pityriasis lichenoides et varioliformis acuta to lymphomatoid papulosis is mentioned in the discussion of biopsy #1.
		Keratinocyte enlargement, focal parakeratosis, necrotic (apoptotic) keratinocytes, vacuolar change in the basal layer of the epidermis, extravasated red blood cells, and the presence of holes in the keratinocytes (some of which contain lymphocytes) are features of pityriasis lichenoides.
		The clinical impression was pityriasis lichenoides et varioliformis acuta.
	www.bweems.com /plevalympap.html (293 words)

	Indian Journal of Dermatology, Venereology and Leprology: Koebner phenomenon in PLEVA.(Case Report)(pityriasis ... (Site not responding. Last check: 2007-10-13)
		Koebner phenomenon in PLEVA.(Case Report)(pityriasis lichenoides et varioliformis acuta)
		We report a man with pityriasis lichenoides et varioliformis acuta showing Koebner phenomenon.
		Pityriasis lichenoides et varioliformis acuta (PLEVA) is an acute or
	highbeam.com /library/doc0.asp?DOCID=1G1:110074946&... (211 words)

	Febrile ulceronecrotic Mucha-Habermann disease: a case report and a review of the literature -- Miyamoto et al. 56 ...
		pityriasis lichenoides et varioliformis acuta, and is characterised
		Cutaneous lesions of PLEVA are clinically similar to lymphomatoid
		Clonal T-cell populations in pityriasis lichenoides et varioliformis acuta: Mucha–Habermann disease.
	jcp.bmjjournals.com /cgi/content/full/56/10/795 (1289 words)

	Arch Dermatol -- Abstract: Cutaneous T-cell lymphoma (parapsoriasis en plaque). An association with pityriasis ... (Site not responding. Last check: 2007-10-13)
		An association with pityriasis lichenoides et varioliformis acuta in young children, November 1990, Fortson et al.
		An association with pityriasis lichenoides et varioliformis acuta in young children
		believe that PLC and PLEVA may be part of the spectrum of CTCL.
	archderm.ama-assn.org /cgi/content/abstract/126/11/1449 (220 words)

	DermIS - Pityriasis Lichenoides et Varioliformis Acuta (Mucha-Habermann) (information on the diagnosis)
		Pityriasis lichenoides is an uncommon inflammatory disease of unknown aetiology divided into an acute and a chronic form.
		The chronic form of the disease is called pityriasis lichenoides chronica.
		Pityriasis Lichenoides et Varioliformis Acuta (Mucha-Habermann), Mucha Habermann Disease, Acute Guttate Parapsoriasis
	www3.dermis.net /dermisroot/en/32571/diagnose.htm (159 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		Pustulosis acuta generalisata is a post-streptococcal disease and is distinct from acute generalized exanthematous pustulosis.
		Based on a case of pustulosis acuta generalisata and a review of the literature, this entity can be regarded as an exclusively post-streptococcal disorder with an elevated antistreptolysin titre.
		Notes : An unusually severe form of pityriasis lichenoides et varioliformis acuta (PLEVA) with a fatal outcome in an 82-year-old woman is reported.
	www.ncemi.org /biblio/fr-bib1.txt (12657 words)

	TB Skin
		The main differential diagnosis includes prurigo simplex, papular eczema, folliculitis, leukocytoclastic vasculitis, pityriasis lichenoides et varioliformis acuta and secondary syphilis.
		This is a rare form of tuberculid, presenting with grouped lichenoid papules with perifollicular pattern over the trunk.
		This condition must be differentiated from lichenoid drug eruption, lichen nitidus, keratosis spinulosa, sarcoidosis, lichenoid syphilis and eruptive syringoma.
	www.hkmj.org.hk /skin/tbskin.htm (1445 words)

	Pityriasis Lichenoides - Mucha-Habermann Disease - information page with HONselect
		The term applied to a group of relatively uncommon inflammatory, maculopapular, scaly eruptions of unknown etiology and resistant to conventional treatment.
		Eruptions are both psoriatic and lichenoid in appearance, but the diseases are distinct from psoriasis, lichen planus, or other recognized dermatoses.
		Proposed nomenclature divides parapsoriasis into two distinct subgroups, PITYRIASIS LICHENOIDES and parapsoriasis en plaques (small- and large-plaque parapsoriasis).
	www.hon.ch /HONselect/RareDiseases/EN/C17.800.859.475.650.html (358 words)

	lymphpap
		Opinions regarding the relationship of LyP to pityriasis lichenoides et varioliformis acuta (PLEVA) are varied and contradictory.
		Therefore, there is also the opinion that LyP and PLEVA are members of a group of T-cell proliferative disorders that have the potential for the association with lymphoma development.
		The current case is of interest in that one biopsy showed lymphomatoid papulosis with features of PLEVA, and the other showed PLEVA with very few atypical cells that probably would have been overlooked on routine examination.
	www.bweems.com /lymphpap.html (628 words)

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