A collection of disease information resources and questions answered by our Genetic and Rare Diseases Information Specialists for Hyperkeratosis lenticularis . Flegel disease is also known as ‘hyperkeratosis lenticularis perstans’. It was first described by Flegel in It is characterised by red-brown papules with. Hyperkeratosis lenticularis perstans (HLP) is a rare cutaneous disorder occurring in older persons and manifested by multiple benign pink to reddish-brown.

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There is controversial data regarding absent or aberrant lamellar granules ie, Odland bodies, membrane associated granules as seen on electron microscopy in lesional skin contributing to the pathophysiology. By registering you consent to the collection and use of your information to letnicularis the products and services you have requested from us and as described in our privacy policy and terms and conditions.

If you have any concerns with your skin or its treatment, see a dermatologist for advice. Ultrastructural study of lesional and perilesional skin and therapeutic trial of topical tretinoin versus 5-fluorouracil. Topical retinoids at the highest strength tolerable have been used. Mild improvement with lentivularis noted after 3 weeks Click here to view. The patient should be made aware of the chronicity of the disease lentifularis that the disorder can be difficult to treat.

These approaches are very much dependent upon the degree of involement. Discrete, follicular papular lesions on dorsa of feet Click here to view. Who is at Lenticulzris for Developing this Disease? Characteristic findings on physical examination Lesions are multiple, red-brown to grey mm papules with a disc or lens lenticularis shape, sometimes with surrounding erythema.


Familial hyperkeratosis lenticularis perstans associated with tumors of the skin. We believe there was no recurrence because this procedure removed the defective keratinocytes. Porokeratosis — Cornoid lamellae allow easy diagnosis of this condition.

perstahs Wolters Kluwer India; Familial hyperkeratosis lenticularis perstans associat ed with tumours of lenticulafis skin. If lesions are diffuse surgical options would be unreasonable.

A year-old white male presented with a year-old complaint of asymptomatic reddish papules between 1 and 5 mm in diameter covered with light-colored or brownish scales in the medial and lateral regions of the feet but not on the plantar surfaces or. Flegel disease, or hyperkeratosis lenticularis perstans HLP. Lesions are lenticulariw, red-brown to grey mm papules with a disc or lens lenticularis shape, sometimes with surrounding erythema.

Curettage of the hyperkeratotic components of the lesion causes pinpoint bleeding. The papillary dermis contains a dense band-like infiltrate composed of small lymphocytes intermingled with histiocytes. Treatment Options Treatment options are summarized in Table I. Unfortunately, it is not free to produce.

Lesions are not usually painful. There was no recurrence of lesions in the biopsied areas after two years of follow-up. The second, on an old lesion, revealed discrete atrophy and a discrete infiltrate. Clinical perstajs is often very helpful in making a diagnosis histopathologically. The favored areas are the dorsal feet; however, distal extremities, palms and soles, pinna and oral mucosa can be involved. Hyperkeratosis lenticularis perstans Flegel. Hyperkeratosis lenticularis perstans Flegel: Removal of the scale reveals a bright red base, often with pinpoint bleeding.

Similar lesions on forearms Click here to view. Lesions are benign and are mainly treated for cosmetic reasons. Please consider making a donation now and again in the future.

Hyperkeratosis Lenticularis Perstans (Flegel’s disease)

Complications are primarily cosmetic, as lesions are usually multiple and tend to spread proximally. Hyperkeratosis lenticularis perstans HLP Flegel disease.

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Such treatments include CO2 laser, curettage and electrocoagulation. Examination of the membrane-coating granules by electon microscopy is lneticularis reported in the literature but is not considered useful for the diagnosis. Powered By Decision Support in Medicine. There is a proposed autosomal dominant mode of inheritance, so inquire about a family history. Kyrle disease should exhibit an impressive keratin plug and inflammatory material perforating through hhperkeratosis epidermis.

Some authors believe Flegel disease is lejticularis form of incipient epidermal dysplasia. Differential diagnosis is with stucco keratosis, actinic keratoses, focal acral hyperkeratosis, Darier’s disease and Kyrle’s disease. Bean reported 3 members of the same family with HLP. Hyperkeratosis lenticularis perstans is a rare disorder most commonly affecting middle-aged Caucasians, with a genetic predisposition.

The ldnticularis dermis is edematous, contains enlarged vessels, and a lichenoid infiltrate composed of lymphocytes and histiocytes. Familial hyperkeratosis lenticularis perstans. Histopathological differences between early and old lesions of hyperkeratosis lenticularis perstans Flegel’s Disease.

We need long-term secure funding to provide you the information that you need at your fingertips. The histopathological features are hyperorthokeratosis, epidermal atrophy and band-like inflammatory infiltrate in the superficial dermis.

Flegel disease pathology

While there are reports of improvements with corticosteroids, vitamin D analogs and 5-fluorouracil, there have also perstanz reports of failure to respond to treatment with the first two of these. The genetics of hyperkeratosis lenticularis perstans. Lesions are small, red-brown, mm scaly papules that appear most commonly on the top surface of the feet and lower legs.