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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Some authors believe Flegel disease is a form of incipient epidermal dysplasia. None, Conflict of Interest: Flegel disease has been reported to rarely affect some families that were also prone hyperkeratsois skin and gastrointestinal cancers. Kyrle disease — This condition is clinically similar and may share some pathogenic components.


The papillary dermis is edematous, contains enlarged vessels, and a lichenoid infiltrate composed of lymphocytes and histiocytes. Their function is not known.

Patient history and clinical examination did not reveal any other diseases. Two excisional biopsies were performed. No laboratory or imaging studies are lentticularis.

Hyperkeratosis lenticularis perstans HLP is a rare disease first described by Flegel in Hyperkeratosis lenticularis perstans HLP is a rare cutaneous disorder occurring in older persons and manifested by multiple benign pink to reddish-brown keratotic papules that primarily affect the extremities.

An autosomal dominant skin disease due lenticualris lack of a keratinocyte organelle. Flegel’s disease, also known as hyperkeratosis lenticularis perstans, is a rare skin disease characterized by small reddish-brown asymptomatic hyperkeratotic papules usually located on the lower extremities.

Bean reported 3 lentiuclaris of the same family with HLP. Frenk and Tapernoux described formation of a compact hyperkeratotic stratum corneum which appeared to be related to absence of Odland bodies in the underlying epidermis. Family medical history was unknown because the patient was adopted. 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.

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What you should be alert for in the history Patients are usually asymptomatic, but rarely can hypereratosis mild itching or burning.

Cooper, S, George, S. The epidermis is atrophic and shows hypogranulosis as well as a thinned spinous layer. Hyperkeratosis lenticularis perstans HLP Flegel disease. Case report of a rare entity. Examination of the membrane-coating granules by electon microscopy is commonly reported in the literature but is lentichlaris considered useful for the diagnosis.

Hyperkeratosis Lenticularis Perstans (Flegel’s disease)

Curettage of the hyperkeratotic components of the lesion causes pinpoint bleeding. Such treatments include CO2 laser, curettage and electrocoagulation. The first, on a new lesion, revealed hyperkeratosis, parakeratosis, epidermal atrophy and dense lymphohistiocytic infiltrate in the upper dermis Figure 2A. We need long-term secure funding to provide you the information that you need at your fingertips.

Which of the following best describes your experience with hand-foot-and-mouth disease? Patients should be aware that there is no mortality associated with the lesions and understand the risks of each therapeutic modality. The mother and 4 children showed the typical hyperkeratotic lesions on the lower leg and dorsum of the foot; however, involvement of the trunk, thigh, arms and dorsum of the hand may occur. We believe there was no recurrence because this procedure removed the defective keratinocytes.


These treatments were not carried out lenticukaris the patient did not give his consent. hypeekeratosis

Flegel disease pathology

Treatment with betamethasone, salicylic acid, calcipotriol, tretinoin, cryotherapy and 5-fluorouracil produced little or no effect. See the DermNet NZ bookstore. Unfortunately, it is not free to produce.

Porokeratosis — Cornoid lamellae allow easy diagnosis of this condition. The lesions clear with relatively few treatments, however relapse gradually occurs.

The second, on an old lesion, revealed discrete atrophy and a discrete infiltrate. Int J Dermatol ; Variable reports regarding the vitamin D derivative calcipotriene 0. Treatment Options Treatment options are summarized in Table I.

The involvement of the palms and soles is unique to hyperkeratosis lenticularis perstans, and the pathology is distinictive.

The lesions of hyperkeratosis lenticularis perstans are usually asymptomatic but cosmetically frustrating.

Interestingly, however, the lesions that were biopsied healed completely. C ] – Hyperkeratotic pink or reddish-brown scaly 1 to 5 mm papules of lower leg and dorsum of foot. Kyrle disease should exhibit an impressive keratin plug and inflammatory material perforating through the epidermis. While there are reports of improvements with corticosteroids, vitamin D analogs and 5-fluorouracil, there have also been reports of failure to respond to treatment with the first two of these.

The disorder is thought to be caused by alterations in the membrane-coating granules lamellar granulesOdland bodies of the keratinocytes. During follow-up we observed that the more recent lesions were more erythematous and broader than the older ones.