Morphea

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Morphea
Other namesLocalized scleroderma or Circumscribed scleroderma
MercMorphea.JPG
Specialty Dermatology   OOjs UI icon edit-ltr-progressive.svg

Morphea is a form of scleroderma that mainly involves isolated patches of hardened skin on the face, hands, and feet, or anywhere else on the body, usually with no internal organ involvement. [1] However, in Deep Morphea inflammation and sclerosis can be found in the deep dermis, panniculus, fascia, superficial muscle and bone. [2] :130

Contents

Signs and symptoms

Frontal linear scleroderma Frontal linear scleroderma 1.JPEG
Frontal linear scleroderma

Morphea most often presents as macules or plaques a few centimeters in diameter, but also may occur as bands or in guttate lesions or nodules. [3] :171

Morphea is a thickening and hardening of the skin and subcutaneous tissues from excessive collagen deposition. Morphea includes specific conditions ranging from very small plaques only involving the skin to widespread disease causing functional and cosmetic deformities. Morphea discriminates from systemic sclerosis by its supposed lack of internal organ involvement. [4] This classification scheme does not include the mixed form of morphea in which different morphologies of skin lesions are present in the same individual. Up to 15% of morphea patients may fall into this previously unrecognized category. [5]

Cause

Physicians and scientists do not know what causes morphea. Case reports and observational studies suggest there is a higher frequency of family history of autoimmune diseases in patients with morphea. [5] Tests for autoantibodies associated with morphea have shown results in higher frequencies of anti-histone and anti-topoisomerase IIa antibodies. [6] Case reports of morphea co-existing with other systemic autoimmune diseases such as primary biliary cirrhosis, vitiligo, and systemic lupus erythematosus lend support to morphea as an autoimmune disease. [7] [8] [9] They do know that families with Native American heritage carry the gene.

Borrelia burgdorferi infection may be relevant for the induction of a distinct autoimmune type of scleroderma; it may be called "Borrelia-associated early onset morphea" and is characterized by the combination of disease onset at younger age, infection with B. burgdorferi, and evident autoimmune phenomena as reflected by high-titer antinuclear antibodies. [10]

Diagnosis

Classification

Frontal linear scleroderma Frontal linear scleroderma 2.JPEG
Frontal linear scleroderma

Treatment

Throughout the years, many different treatments have been tried for morphea including topical, intra-lesional, and systemic corticosteroids. Antimalarials such as hydroxychloroquine or chloroquine have been used. Other immunomodulators such as methotrexate, topical tacrolimus, and penicillamine have been tried. Children and teenagers with active morphea (linear scleroderma, generalised morphea and mixed morphea: linear and circumscribed) may experience greater improvement of disease activity or damage with oral methotrexate plus prednisone than with placebo plus prednisone. [16] Some have tried prescription vitamin-D with success. Ultraviolet A (UVA) light, with or without psoralens have also been tried. UVA-1, a more specific wavelength of UVA light, is able to penetrate the deeper portions of the skin and thus, thought to soften the plaques in morphea by acting in two fashions: by causing a systemic immunosuppression from UV light, or by inducing enzymes that naturally degrade the collagen matrix in the skin as part of natural sun-aging of the skin. Archived 2019-02-03 at the Wayback Machine However, there is limited evidence that UVA‐1 (50 J/cm2), low‐dose UVA‐1 (20 J/cm2), and narrowband UVB differ from each other in effectiveness in treating children and adults with active morphea. [16]

Epidemiology

Morphea is a form of scleroderma that is more common in women than men, in a ratio 3:1. [17] Morphea occurs in childhood as well as in adult life. [3] Morphea is an uncommon condition that is thought to affect 2 to 4 in 100,000 people. [18] Adequate studies on the incidence and prevalence have not been performed. Morphea also may be under-reported, as physicians may be unaware of this disorder, and smaller morphea plaques may be less often referred to a dermatologist or rheumatologist. [ citation needed ]

See also

Related Research Articles

<span class="mw-page-title-main">Systemic scleroderma</span> Accumulation of collagen in the skin and internal organs

Systemic scleroderma, or systemic sclerosis, is an autoimmune rheumatic disease characterised by excessive production and accumulation of collagen, called fibrosis, in the skin and internal organs and by injuries to small arteries. There are two major subgroups of systemic sclerosis based on the extent of skin involvement: limited and diffuse. The limited form affects areas below, but not above, the elbows and knees with or without involvement of the face. The diffuse form also affects the skin above the elbows and knees and can also spread to the torso. Visceral organs, including the kidneys, heart, lungs, and gastrointestinal tract can also be affected by the fibrotic process. Prognosis is determined by the form of the disease and the extent of visceral involvement. Patients with limited systemic sclerosis have a better prognosis than those with the diffuse form. Death is most often caused by lung, heart, and kidney involvement. The risk of cancer is increased slightly.

<span class="mw-page-title-main">Panniculitis</span> Inflammation of the fatty layer under the skin (panniculus adiposus)

Panniculitis is a group of diseases whose hallmark is inflammation of subcutaneous adipose tissue. Symptoms include tender skin nodules, and systemic signs such as weight loss and fatigue.

<span class="mw-page-title-main">Lichen planus</span> Human chronic inflammatory disease

Lichen planus (LP) is a chronic inflammatory and autoimmune disease that affects the skin, nails, hair, and mucous membranes. It is not an actual lichen, but is named for its appearance. It is characterized by polygonal, flat-topped, violaceous papules and plaques with overlying, reticulated, fine white scale, commonly affecting dorsal hands, flexural wrists and forearms, trunk, anterior lower legs and oral mucosa. The hue may be gray-brown in people with darker skin. Although there is a broad clinical range of LP manifestations, the skin and oral cavity remain as the major sites of involvement. The cause is unknown, but it is thought to be the result of an autoimmune process with an unknown initial trigger. There is no cure, but many different medications and procedures have been used in efforts to control the symptoms.

Sclerodactyly is a localized thickening and tightness of the skin of the fingers or toes that yields a characteristic claw-like appearance and spindle shape of the affected digits, and renders them immobile or of limited mobility. The thickened, discolored patches of skin are called morphea, and may involve connective tissue below the skin, as well as muscle and other tissues. Sclerodactyly is often preceded by months or even years by Raynaud's phenomenon when it is part of systemic scleroderma.

<span class="mw-page-title-main">Bullous pemphigoid</span> Autoimmune disease of skin and connective tissue characterized by large blisters

Bullous pemphigoid is an autoimmune pruritic skin disease that typically occurs in people aged over 60, that may involve the formation of blisters (bullae) in the space between the epidermal and dermal skin layers. It is classified as a type II hypersensitivity reaction, which involves formation of anti-hemidesmosome antibodies, causing a loss of keratinocytes to basement membrane adhesion.

<span class="mw-page-title-main">Pemphigoid</span> Autoimmune blistering diseases

Pemphigoid is a group of rare autoimmune blistering diseases of the skin and mucous membranes. As its name indicates, pemphigoid is similar in general appearance to pemphigus, however unlike pemphigus, pemphigoid does not feature acantholysis, a loss of connections between skin cells.

<span class="mw-page-title-main">Parry–Romberg syndrome</span> Rare disease involving degeneration of tissues beneath the skin

Parry–Romberg syndrome (PRS) is a rare disease presenting in early childhood characterized by progressive shrinkage and degeneration of the tissues beneath the skin, usually on only one side of the face but occasionally extending to other parts of the body. An autoimmune mechanism is suspected, and the syndrome may be a variant of localized scleroderma, but the precise cause and pathogenesis of this acquired disorder remains unknown. It has been reported in the literature as a possible consequence of sympathectomy. The syndrome has a higher prevalence in females and typically appears between 5 and 15 years of age. There has been only one case report of the syndrome appearing in older adults: a 43-year-old woman with symptoms appearing at the age of 33.

<span class="mw-page-title-main">Lichen nitidus</span> Human chronic inflammatory disease

Lichen nitidus is a chronic inflammatory disease of unknown cause characterized by 1–2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules that may appear as hypopigmented against dark skin. Occasionally, minimal scaling is present or can be induced by rubbing the surface of the papules. The disease usually affects children and young adults and is painless and usually nonpruritic, although protracted itching may occur in some cases. It is sometimes referred to by dermatologists as "mini lichen planus".

<span class="mw-page-title-main">Discoid lupus erythematosus</span> Autoimmune skin condition

Discoid lupus erythematosus is the most common type of chronic cutaneous lupus (CCLE), an autoimmune skin condition on the lupus erythematosus spectrum of illnesses. It presents with red, painful, inflamed and coin-shaped patches of skin with a scaly and crusty appearance, most often on the scalp, cheeks, and ears. Hair loss may occur if the lesions are on the scalp. The lesions can then develop severe scarring, and the centre areas may appear lighter in color with a rim darker than the normal skin. These lesions can last for years without treatment.

Tumid lupus erythematosus is a rare, but distinctive entity in which patients present with edematous erythematous plaque.

Subacute cutaneous lupus erythematosus is a clinically distinct subset of cases of lupus erythematosus that is most often present in white women aged 15 to 40, consisting of skin lesions that are scaly and evolve as poly-cyclic annular lesions or plaques similar to those of plaque psoriasis.

Kyrle disease is identified as a form of an acquired perforating disease. Other major perforating diseases are elastosis perforans serpiginosa and reactive perforating collagenosis. Recently, however, there is a controversy on categorizing Kyrle disease with perforating dermatosis or a subtype of acquired perforating collagenosis.

<span class="mw-page-title-main">Generalized essential telangiectasia</span> Medical condition

Generalized essential telangiectasia, also known as general essential telangiectasia, is characterized by the dilation of veins and capillaries over a large segment of the body without preceding or coexisting lesions, telengiectases that may be distributed over the entire body or be localized to some large area such as the legs, arms, or trunk.

<span class="mw-page-title-main">Nevus lipomatosus superficialis</span> Medical condition

Nevus lipomatosus superficialis is characterized by soft, yellowish papules or cerebriform plaques, usually of the buttock or thigh, less often of the ear or scalp, with a wrinkled rather than warty surface. It is usually congenital in origin or appears within the first three decades.

<span class="mw-page-title-main">Linear IgA bullous dermatosis</span> Medical condition

Linear IgA bullous dermatosis is a rare immune-mediated blistering skin disease frequently associated with medication exposure, especially vancomycin, with men and women being equally affected. It was first described by Tadeusz Chorzelski in 1979 and may be divided into two types:

<span class="mw-page-title-main">Porokeratosis</span> Medical condition

Porokeratosis is a specific disorder of keratinization that is characterized histologically by the presence of a cornoid lamella, a thin column of closely stacked, parakeratotic cells extending through the stratum corneum with a thin or absent granular layer.

<span class="mw-page-title-main">Scleroderma</span> Group of autoimmune diseases resulting in abnormal growth of connective tissue

Scleroderma is a group of autoimmune diseases that may result in changes to the skin, blood vessels, muscles, and internal organs. The disease can be either localized to the skin or involve other organs, as well. Symptoms may include areas of thickened skin, stiffness, feeling tired, and poor blood flow to the fingers or toes with cold exposure. One form of the condition, known as CREST syndrome, classically results in calcium deposits, Raynaud's syndrome, esophageal problems, thickening of the skin of the fingers and toes, and areas of small, dilated blood vessels.

<span class="mw-page-title-main">Lidia Rudnicka</span> Polish-American dermatologist

Lidia Rudnicka is a Polish-American dermatologist with contributions to the field of scleroderma research, hair diseases and melanoma prevention.

<span class="mw-page-title-main">Inflammatory linear verrucous epidermal nevus</span> Medical condition

Inflammatory Linear Verrucous Epidermal Nevus is a rare disease of the skin that presents as multiple, discrete, red papules that tend to coalesce into linear plaques that follow the Lines of Blaschko. The plaques can be slightly warty (psoriaform) or scaly (eczema-like). ILVEN is caused by somatic mutations that result in genetic mosaicism. There is no cure, but different medical treatments can alleviate the symptoms.

References

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Further reading