Many different names have been given to the same entity, considered by some investigators to be a variant of lichen planus. The three most common types of keratosis are keratosis pilaris, actinic keratosis, and seborrheic keratosis. Keratosis lichenoides chronica, lichen ruber moniliformis, lichen verrucosus et reticular, lichen verrucosus et reticularis, lichen, ruber, moniliformis, nekam syndrome, nekams disease, porokeratosis striata lichen, porokeratosis striata lichenoides. They are usually well marginated but may also blend imperceptibly into the surrounding skin. Lichen striatus is a rare skin condition that is seen primarily in children, most frequently appearing ages 515 22627 it consists of a selflimiting eruption of small, scaly papules. Keratosis lichenoides chronica jama dermatology jama network. Some people get just one but it is more common to have many. Keratosis lichenoides chronica is characterized by violaceous, papular and nodular lesions typically arranged in a linear and reticulate pattern, most marked on the hands and feet, and accompanied by a. Lichen striatus is a rare skin condition that is seen primarily in children, most frequently appearing ages 515. It has been a subject of controversy whether keratosis lichenoides chronica klc is a distinctive inflammatory disease of the skin or whether it represents a. Keratosis lichenoides chronica is a rare dermatosis characterized by a distinctive sebor rheic dermatitislike facial eruption, together with violaceous, papular, and nodular lesions on the extremities and trunk typically arranged in a linear and reticulate pattern.
Keratosis lichenoides chronica bioinformatics tool laverne is a handy bioinformatics tool to help facilitate scientific exploration of related genes, diseases and pathways based on cocitations. Lichenoid keratosis definition of lichenoid keratosis by. Dense, bandlike lymphocytic infiltrate in dermis that obscures dermoepidermal junction. More generally, keratosis is any skin disorder attended by horny growths. Keratosis lichenoides chronica is characterized by violaceous, papular and nodular lesions typically arranged in a linear and reticulate pattern, most marked on the hands and feet, and accompanied by a seborrhoeic dermatitislike eruption of the face. Papulosquamous disorder an overview sciencedirect topics. Keratosis lichenoides chronica in childhood, clinical. Keratosis lichenoides chronica case report keratosis lichenoides chronica a. The causes and lesions characteristic of keratotic skin disorders. Lunder abstract keratosis lichenoides chronica is a chronic dermatosis, generally of benign nature, yet refractory to treatment.
Histology of keratosis lichenoides chronica histologically, keratosis lichenoides chronica is characterised by a lichenoid reaction pattern with marked basal cell death and vacuolar degeneration figures. Incompletely excised skin lesion, left chest, punch biopsy. Parapsoriasis and pityriasis lichenoides fitzpatricks dermatology. C 811 cryosurgery is an effective modality for treating solitary or multiple actinic keratoses. Request pdf differentiation of pityriasis lichenoides chronica from guttate psoriasis by dermoscopy clinical differentiation between pityriasis lichenoides. Cytoplasmic vacuolization of basal keratinocytes with a brightly eosinophilic cytoplasm. Our 54yearold man patient, who is the 40th case reported in the literature, presented with a 15. Lichenoid keratosis is more common among whites, especially caucasians. The lesion is rarely observed among asians and africans. Keratosis lichenoides chronica also known as nekams disease is a rare dermatosis characterized by violaceous papular and nodular lesions, often arranged in a linear or reticulate pattern on the dorsal hands and feet, extremities, and buttock, and some cases manifest by sorrheic dermatitislike eruption on the scalp and face. Their colour varies from an initial reddish brown to a greyish purplebrown as the lesion resolves several weeks or months later.
Keratosis is an excessive growth of keratin, a skin protein, on the skin. Klc is rare 70 reported cases, appears during adolescence, runs a progressive course, and is resistant to treatment. Differentiation of pityriasis lichenoides chronica from guttate. Lichen planus keratosis lichenoides chronica march 8th, 2011 keratosis lichenoides chronica is a rare skin condition that i occasionally encounter in my the woodlands dermatology and conroe dermatology offices. Chronic pityriasis lichenoides resembles pityriasis rosea but can persist for 2 to 3 years. Dermis keratosis lichenoides chronica information on the. For more information on how to use laverne, please read the how to guide. This is a small noncancerous skin lesion with is any abnormal or damaged area of tissue.
Department of dermatology, saintphilibert hospital, catholic university of. Keratosis pilaris is a harmless condition characterized by tiny 1 mm or less bumps, skin colored or red, that may give the skin a rough texture. Multiple eruptive lichenoid keratoses in sunexposed sites are also described. Keratosis lichenoides chronica primary care dermatology. Keratosis, any protuberance on the skin resulting from the overdevelopment of the horny outermost covering of the skin, or epidermis, the main constituent of which is the protein keratin, which is synthesized in special cells of the skin, the keratinocytes. Sign out skin lesion, midmiddle back, punch biopsy. These growths usually appear in middleaged and older adults. Seborrheic keratosis seborrheic keratosis is a common skin growth that is not contagious and always benign. Dermis keratosis lichenoides chronica information on.
Pdf keratosis lichenoides chronica a case report and. Keratosis lichenoides chronica in childhood keratosis lichenoides chronica in childhood redondo, p solano, t. Keratosis lichenoides chronica klc is a rare mucocutaneous eruption, with just greater than 70 cases reported in the literature. Pityriasis lichenoides british association of dermatologists. Keratosis lichenoides chronica lichenoid photodermatitis lichen pigmentosus lichen sclerosus et atrophicus dermatoses with poikilodermatous pattern. It is chronic and progressive usually affecting individuals aged 2040 years. Keratosis lichenoides chronica is a rare disorder characterized by a distinctive seborrheic dermatitislike facial eruption together with development of asymptomatic verrucosities on the limbs and the trunk, with a partially linear distribution. Keratosis lichenoides chronica klc is a rare chronic progressive dermatosis of unknown aetiology characterized by lichenoid hyperkeratotic papules typically arranged in a linear or reticulate pattern on the extremities or on the trunk, warty erythematosquamous plaques and seborrhealike dermatitis on. Clinically, benign lichenoid keratoses causes red slightly scaly plaques that are almost clinically.
Keratosis lichenoides chronica italian ministry of health. A lichenoid keratosis is a common, benign and often solitary skin lesion. Keratosis lichenoides chronica treatment develop some form of fat or oil and grime oils along with other skin product as when androgen and could be utilize mild towards your skin feel good. Jan 22, 2016 the diagnosis was keratosis lichenoides chronica klc, a mucocutaneous skin disease of unknown cause. Lichenoid keratosis is usually a small, solitary, inflamed macule or thin pigmented plaque. The relevance of recognizing clinical and morphologic features of. Lichen planuslike keratosis lichenoid drug eruption lichen planus actinicus keratosis lichenoides chronica lichenoid photodermatitis lichen pigmentosus lichen sclerosus et atrophicus dermatoses with poikilodermatous pattern poikiloderma congenitale poikiloderma atrophicans vasculare jacobi poikiloderma related to dermatomyositis. It is a progressive disease characterized by the linear and reticulate appearance of.
Seborrheic keratosis start as small, slightly raised light brown spots, gradually. Keratosis lichenoides chronica is characterized by violaceous, papular, and nodular lesions in a linear and reticulate pattern on the extremities and a seborrheic dermatitislike facial eruption. A lichenoid keratosis can range in color from red to gray. The diagnosis was keratosis lichenoides chronica klc, a mucocutaneous skin disease of unknown cause. Pityriasis lichenoides, a rarer skin disease, occurs in two forms. Clinical diagnosis was pityriasis lichenoides chronica plc in 25 cases, and pityriasis lichenoides et varioliformis acuta pleva in four. It can also be found on the cheeks, thighs, buttocks, and occasionally the upper back.
Over 60% of the lesions are beniign,5 however, malignant or premalignant lesiions might be associated in upto 2040% f case. Keratosis lichenoides chronica klc presents clinically with violaceous, papular and nodular lesions in a linear or reticulate pattern. What is lichenoid keratosis lichenoid keratosis is usually a small, solitary, inflamed macule or thin pigmented plaque. Usually lichenoid keratosis is asymptomatic lesion. Keratosis lichenoides chronica successfully treated with isotretinoin.
It is seen as an unbroken or disrupted, linear band consisting of small tan, pink or flesh colored. Keratosis lichenoides chronica klc is a rare chronic progressive dermatosis of unknown aetiology characterized by lichenoid hyperkeratotic papules typically arranged in a linear or reticulate pattern on the extremities or on the trunk, warty erythematosquamous plaques and seborrhealike dermatitis on the face. Keratosis lichenoides chronica klc is a rare disorder, with fewer than 50 cases reported in the world literature. Histologically, the eruption shows parakeratosis, orthohyperkeratosis, atrophy of the malpighian layer, and a lichenoid histiocytic and lymphocytic dermal. Case report a 40yearold female, housewife, married, resident of punjab, consulted for two year history of mildly pruritic, lichenoid eruption over lower back, buttocks and thighs. It appears that the elderly and females and people who are light. Jun 01, 2002 summary keratosis lichenoides chronica klc is a rare chronic disorder of keratinization characterized by lichenoid hyperkeratotic papules arranged in a linear pattern, erythematosquamous plaques and seborrhea. Keratosis lichenoides chronica, lichenoide trikeratose.
Keratosis lichenoides chronica is a rare skin condition that i occasionally encounter in my the woodlands dermatology and conroe dermatology offices. Keratosis pilaris kp is a genetic disorder of keratinization of hair follicles of the skin. It is likely that all of these names refer to the same condition, constituting a definite clinical entity, which, on the basis of histological study. The lesions of lichenoid keratosis are frequently seen on arms, hands and chest. Keratosis lichenoides chronica or nekams disease is a rare mucocutaneous dermatosis characterized by keratinization. It is most common on the outer area of the upper arms. Department of dermatology, saintphilibert hospital, catholic university of lille, lomme 2. Tehran, iran, and monroe, ml we are reporting a case of keratosis iichenoides chronica. Actinic keratoses should be treated because of their potential to progress to squamous cell carcinomas. Lichenoid keratosis pictures, symptoms, causes, treatment.
Explore more on keratosis lichenoides chronica below. Around 70 cases have been reported in the literature. Benign lichenoid keratoses, also called lichen planus like keratoses, are one of the most common skin lesions i encounter in both my the woodlands and conroe area patients. It is an extremely common benign condition that manifests as small, rough folliculocentric keratotic papules, often described as chicken bumps, chicken skin, or goose bumps, in characteristic areas of the body, particularly the outerupper arms and t. A patient had a 15year history of a progressive, recalcitrant, papulosquamous eruption, and persistent hoarseness which seems to be unique. Keratosis lichenoides chronica jama dermatology jama. Seventh honey is use like a facial skin layer variety will help you create more damaged skin care program. This is a chronic dermatosis characterized by seborrheic dermatitislike facial eruption and purplish papulonodular lesions of the extremities. Abstract pityriasis lichenoides pl represents a spectrum of. Lichenoid keratosis primary care dermatology society uk. Sometimes there may be associated one or two lesions on other parts. Keratosis lichenoides chronica klc is a rare condition characterised by the asymptomatic development, over several years, of scaly papules on the limbs and trunk, sometimes distributed in a linear or reticulate netlike pattern. This case resembles several others that have been described in the literature under different names, ie, keratosis lichenoides chronica, porokeratosis striata, and lichen verrucosus et reticularis. Their colour varies from an initial reddish brown to a greyish purplebrown as the lesion resolves several weeks or months later lichenoid keratosis is also known as benign lichenoid keratosis.
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