Koebner Phenomenon: Causes & Reasons

Possible Causes for Koebner Phenomenon

According to Falabella, [3] a lesion with lack of progression or no new lesions for 2 years, absence of recent Koebner phenomenon, positive minigrafting test, absence of Koebner [jcasonline.com]

As side effects were observed hyperpigmentation of the treated area and the appearance of Koebner phenomenon in the donor area. [ncbi.nlm.nih.gov]

phenomenon). [ncbi.nlm.nih.gov]

Psoriasis

Thus, the authors report the first case of Koebner phenomenon in ophthalmic literature, with a review of previously published postsurgical cases of Koebnerization in psoriasis [ncbi.nlm.nih.gov]

phenomenon triggers (excoriation, maceration) and infectious foci (Streptococcus pyogenes). [ncbi.nlm.nih.gov]

Additionally, some patients with psoriasis will develop lesions on areas that are not normally affected by the condition – a development known as the Koebner phenomenon. [phillyvoice.com]

Lichen Planus

 Koebner’s phenomenon (isomorphic response).  After lesions subside, post lichen hyperpigmentation occurs. 8. Koebner's Phenomenon 9. [de.slideshare.net]

phenomenon: new lesions at sites of trauma Lichen planopilaris: primary site of involvement is the epithelium of hair follicles, causing alopecia Wickham straie: white dots [pathologyoutlines.com]

This is called “the Koebner phenomenon”. [dermcoll.edu.au]

Adult-Onset Still Disease

It commonly appears on the trunk, neck, or extremities and may be associated with dermatographism, Koebner phenomenon (lesions arising at sites of trauma/pressure), pruritus [rheumaknowledgy.com]

In one-third of patients, the rash is mildly pruritic and develops at sites of pressure or trauma (Koebner’s phenomenon). [stillsdisease.org]

Sometimes stroking of the skin can elicit the rash (Koebner’s phenomenon). [clinicaladvisor.com]

Lichen Sclerosus

It has been reported in post-traumatic areas as a result of Koebner phenomenon. LSA responds poorly to treatment making it a therapeutic challenge (2). [ncbi.nlm.nih.gov]

Lichen sclerosus and the Koebner phenomenon. Clin Exp Dermatol. 1994; 19: 262-263 21. Lipscombe T Wayte J Wojnarowska F et al. [thelancet.com]

The Koebner phenomenon, which occurs in damaged skin secondary to inflammation, also produces LS. [f1000research.com]

Psoriatic Arthritis

Some patients with psoriasis experience an event known as a Koebner phenomenon, where new lesions develop at sites of previous cutaneous trauma. [medpagetoday.com]

Trauma to a joint sometimes triggers psoriatic arthritis and is considered the articular equivalent of the Koebner phenomenon (appearance of a psoriatic plaque in the area [clinicaladvisor.com]

A similar "deep" Koebner phenomenon has been postulated as contributing to the development of arthritis in these patients following injury to deeper structures. [medpagetoday.com]

Atopic Dermatitis

These may include Auspitz's sign (pinpoint bleeding when scale is removed), Koebner phenomenon (psoriatic skin lesions induced by trauma to the skin),[19] and itching and [en.wikipedia.org]

phenomenon.[10] There are five main types of psoriasis: plaque, guttate, inverse, pustular, and erythrodermic.[6] Plaque psoriasis, also known as psoriasis vulgaris, makes [en.wikipedia.org]

[…] varies in severity from small, localized patches to complete body coverage.[3] Injury to the skin can trigger psoriatic skin changes at that spot, which is known as the Koebner [en.wikipedia.org]

Behçet Disease

Pathergy is seen with both Behçet's disease and pyoderma gangrenosum.[1] A highly similar phenomenon known as the Koebner phenomenon occurs in autoimmune diseases such as [en.wikipedia.org]

Necrobiosis Lipoidica Diabeticorum

This reaction, known as Koebner's phenomenon (KP), has subsequently been associated with several skin diseases. [ncbi.nlm.nih.gov]

Necrobiosis lipoidica developing within a surgical scar in a non-diabetic patient: Type III Koebner phenomenon (isomorphic response), Wolf's isotopic response or Ruocco's [ijdvl.com]

The Koebner phenomenon has been well established in patients with necrobiosis lipoidica, especially in patients with vasculitis at the site of trauma. [4] Miller reported [podiatry.com]

Familial Reactive Perforating Collagenosis

phenomenon); scarring occurs with healing Differential diagnosis Kyrle's disease; perforating folliculitis; elastosis perforans serpiginosa; prurigo nodularis; Ferguson-Smith [link.springer.com]

Koebners phenomenon was present in the child. Scarring was seen over the resolved lesions [Figure 1], [Figure 2] and [Figure 3]. [e-ijd.org]

Pruritus and the Koebner phenomenon were common, and histologically a micro-vasculopathy was noted in the dermis of all patients. [eurekamag.com]

Bullous Lichen Planus

There were papules and nodules with scaling and slaty-gray pigmentations along with Koebners phenomenon on the skin ( Figure 1 ). [omicsonline.org]

Koebner phenomenon – The Koebner phenomenon or Köbner phenomenon, also called the Koebner response or the isomorphic response, attributed to Heinrich Köbner, refers to skin [wikivisually.com]

This is called “the Koebner phenomenon”. [dermcoll.edu.au]

Systemic Juvenile Idiopathic Arthritis

It commonly appears on the trunk, neck, or extremities and may be associated with dermatographism, Koebner phenomenon (lesions arising at sites of trauma/pressure), pruritus [rheumaknowledgy.com]

Sometimes stroking of the skin can elicit the rash (Koebner’s phenomenon). [clinicaladvisor.com]

Look for the rash in areas subject to pressure like the beltline and under the breasts or it can be elicited by stroking the skin (Koebner’s phenomenon). [clinicaladvisor.com]

Hypertrophic Lichen Planus

’s phenomenon. [news-medical.net]

The lesions may appear in a linear configuration, following the lines of trauma (Koebner phenomenon; Figure 3 ). [aafp.org]

The Koebner phenomenon is not only present in CLP but can also occur in the setting of OLP. [hindawi.com]

Pruritic Rash

This is known as the Koebner phenomenon. The oral mucosa is involved in about 50 percent of the cases. Nails are involved in 10 percent of cases. [podiatrytoday.com]

It is important to rule out other causes of parallel, streak-like skin lesions, such as Koebner phenomenon due to inflammatory, infectious, or self-inflicted processes, or [cureus.com]

phenomenon (development of typical lesions at the site of trauma); keys to diagnosis are purple color and distribution of lesions 20 Skin biopsy is diagnostic and often done [aafp.org]

Striae Distensae

The appearance of vitiligo in striae distensae as a form of Koebner phenomenon has been reported rarely. [ncbi.nlm.nih.gov]

The Koebner isomorphic phenomenon has been described in cutaneous reactions induced by drugs, such as antibiotics and chemotherapy. [ncbi.nlm.nih.gov]

Koebner’s phenomenon in vitiligo: European position paper. [pigmentinternational.com]

Kraurosis Vulvae

phenomenon, ie. lesions appear after direct trauma) with Kraurosis vulvae. [symptoma.com]

LS AND THE ISOMORPHIC PHENOMENON LS exhibits the isomorphic or "Koebner" phenomenon. [cirp.org]

Regular use of super-potent/potent topical corticosteroids after vulvar surgery is essential to prevent flares of lichen sclerosus (given the koebnerization phenomenon) and [dermatologyadvisor.com]

Sebocystomatosis

Fenomeno di Koebner – The Koebner phenomenon or Köbner phenomenon, also called the Koebner response or the isomorphic response, attributed to Heinrich Köbner, refers to skin [wikivisually.com]

The Koebner phenomenon may result either a linear exposure or irritation. [wikivisually.com]

The Koebner phenomenon describes skin lesions which appear at the site of injury, rarely Koebner phenomenon has been reported as a mechanism of acute myeloid leukemia dissemination [wikivisually.com]

Trachonychia

phenomenon gradually enlarge annular leison with central clearing Lyme disease Iris-like target lesions. bulls eye drugs/herpes/mycoplasma transient annular erthematous plaque [quizlet.com]

The Koebner phenomenon, or the appearance of lesions at the site of injury, can also occur in the nails and may manifest in an asymmetrical presentation. [podiatrytoday.com]

Similar to the cutaneous lesions of psoriasis, the Koebner phenomenon can worsen the disease. [ijdvl.com]

Gianotti-Crosti Syndrome

Koebner phenomenon, lesions arising within ares of trauma, such as a scratch as shown on the photograph of the arm directly above, may occur. [acadderm.com]

phenomenon in the lesions [6] have been reported and even prolonged course of more than 2 months and recurrences which is rare also has been seen. [7] Laboratory findings [mjmsr.net]

Koebner's phenomenon may also be present [2-4]. [synapse.koreamed.org]

Chronic Lichenoid Pityriasis

phenomenon: new lesions at site of trauma Parapsoriasis: similar morphologically, but no pain or itching; small plaque variants are considered benign Pustular psoriasis: [pathologyoutlines.com]

phenomenon DD: Lichen spinulosus linear verrucous epidermal naevus 26. [slideshare.net]

During the acute phase, new papules may appear at sites of minor skin injury (Koebner phenomenon), such as a superficial scratch. [merckmanuals.com]

Familial Lichen Planus

True Koebner phenomenon: (A) In a patient with chronic plaque psoriasis. [ncbi.nlm.nih.gov]

New spots may appear along a site of minor skin injury such as a superficial scratch (Koebner’s phenomenon). [rarediseases.org]

The isomorphic response (i.e., Koebner phenomenon) can be seen in LP wherein new lesions arise in lines where scratching occurs, just as is seen in psoriasis. [ncbi.nlm.nih.gov]

Guttate Psoriasis

These lesions exhibit an isomorphic response or the Koebner phenomenon. [ncbi.nlm.nih.gov]

This is known as the Koebner phenomenon. The association between streptococcal infections and guttate psoriasis cannot be overemphasized. [emedicinehealth.com]

In addition to Koebner phenomenon, all variants of psoriasis share certain characteristics that are reflected on histology, for example, erythema (elongated and dilated capillaries [ncbi.nlm.nih.gov]

Erosive Oral Lichen Planus

The development of new erosions at sites of minimal trauma, known as the Koebner phenomenon, is also common.[21] Compared to aphthous ulcers, lesions of erosive LP are typically [ncbi.nlm.nih.gov]

Vulvar Psoriasis

phenomenon) Psoriasis in the genital area may also be worsened by contact with irritants such as: Urine Faeces Tight-fitting clothes Friction associated with sexual intercourse [dermnetnz.org]

[…] anogenital area, specific factors to consider include: Colonisation by bacteria and yeasts (Candida albicans) Injury to the skin, causing new plaques of psoriasis to develop (Koebner [dermnetnz.org]

Pseudoretinitis Pigmentosa

Pseudo koebners phenomenon - the koebners phenomenon seen in warts, molluscum contagiosum. The lesions are due to direct seedling of the organisms. [go.gale.com]

Pigmented Lichen Planus

phenomenon: new lesions at trauma sites (e.g. scratching) Wickham striae: fine white lines on surface of lesions corresponding to areas of hypergranulosis Clinical variants [pathologyoutlines.com]

Clinical features The "6 Ps": purple, pruritic, planar (flat), polygonal papules and plaques Features may overlap with drug induced lichenoid eruptions; clinical history is key Koebner [pathologyoutlines.com]

Necrobiosis Lipoidica

The Koebner phenomenon. Int J Dermatol. 1982 May;21(4):192-7. [PubMed: 7047416] 18. Hawryluk EB, Izikson L, English JC. [ncbi.nlm.nih.gov]

Trauma may induce the development of additional lesions on previously unaffected skin through the Koebner phenomenon (4). [edm.bioscientifica.com]

The Koebner phenomenon. Int J Dermatol. 1982 May. 21(4):192-7. [QxMD MEDLINE Link]. Mistry N, Chih-Ho Hong H, Crawford RI. [emedicine.medscape.com]

Genital Psoriasis

phenomenon) Psoriasis in the genital area may also be worsened by contact with irritants such as: Urine Faeces Tight-fitting clothes Friction associated with sexual intercourse [dermnetnz.org]

phenomenon ) Psoriasis in the genital area may also be worsened by contact with irritants such as: Urine Faeces Tight-fitting clothes Friction associated with sexual intercourse [dermnetnz.org]

These may include Auspitz's sign (pinpoint bleeding when scale is removed), Koebner phenomenon (psoriatic skin lesions induced by trauma to the skin), [20] and itching and [en.wikipedia.org]

Anonychia with Flexural Pigmentation

phenomenon is observed Lesions may occur anywhere over the skin surface; however, the most frequent sites of predilection are the flexural surfaces of the arms and the wrists [brainrush.com]

The Koebner phenomenon may occur in recent scars or at pressure points. Which of the following are causes for Erythroderma? PGI-05 a. Psoriasis b. Lichen planus c. [criticalcaremcqs.com]

Trauma (Koebner phenomenon) is a known risk factor for development of LP. What is the Cause of the Disease? Etiology Pathophysiology The etiology of LP is unknown. [clinicaladvisor.com]

Isolated Toenail Dystrophy

phenomenon. [kleinmd.com]

The nail and Koebner-like phenomenon. Int J Dermatol 2006 Nov; 45 (11): 1372–3 PubMed CrossRef Google Scholar 8. Vaidya HJ. Playstation thumb [letter]. [link.springer.com]

Mechanical traumas should be avoided as they worsen nail psoriasis through the Koebner phenomenon. [clinicaldermatology.eu]