Am J Dermatopathol 2006 Apr;28(2):122-6
Department of Dermatology, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan.
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Wien Klin Wochenschr 2004 ;116 Suppl 2:78-80
Department of Dermatology, Maribor Teaching Hospital, Maribor, Slovenia.
An 82-year-old female presented with an 11-year history of multiple, symmetrically disseminated hyperkeratotic red-brown papules 3-5 mm in diameter on the dorsal aspects of the upper and lower extremities. The eruption first appeared on the dorsa of the feet and on the lower parts of the legs. During the last few years, the lesions extended gradually to the upper part of the legs and thighs, also disseminating over the trunk. Read More
Dermatologica 1987 ;174(2):96-101
Lesional as well as uninvolved skin were studied by light and electron microscopy in 1 case of hyperkeratosis lenticularis perstans (Flegel's disease). The main ultrastructural finding was a morphological alteration of lamellar (Odland) bodies. A review of the literature on the ultrastructure of Flegel's disease is made, and the significance of the ultrastructural findings is briefly discussed. Read More
Acta Derm Venereol 1983 ;63(4):357-60
A 62-year-old female with a 20-year history of small horny papules on the skin of the legs is described. Light microscopy revealed a hyperkeratotic papule with atrophic epidermis and a dense dermal inflammatory cell infiltrate with many cerebriform lymphocytes not earlier described in connection with hyperkeratosis lenticularis perstans (HLP). The electron-microscopic picture showed membrane-coating granules (MCG) and keratohyalin located in different cells, indicating that the disorder of keratinization in HLP is possibly caused by reduced co-operation between these cells and that the keratinization process occurs in the absence of MCG. Read More
An Bras Dermatol 2011 Jul-Aug;86(4 Suppl 1):S76-7
UNOESC, University of Western Santa Catarina, Joacaba, SC, Brazil.
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. The histopathological features are hyperorthokeratosis, epidermal atrophy and band-like inflammatory infiltrate in the superficial dermis. Treatment is generally ineffective. Read More