Search results for "hyperkeratosi"
showing 4 items of 14 documents
Lack of association between proliferative verrucous leukoplakia and human papillomavirus infection.
2005
Purpose To analyze proliferative verrucous leukoplakia (PVL) for the presence of human papillomavirus (HPV) in different stages of the disease. Materials and Methods We studied 13 patients with PVL. In 10 patients (76.9%), a lesional biopsy was taken and frozen at −40°C. Four patients were instructed to mouth rinse with sterile sera. The biopsy and rinse samples were analyzed for HPV by PCR. Results We did not detect HPV infection in the PVL tissue or in the oral rinse of any of the 13 patients in any stage of the disease analyzed, neither in oral squamous cell carcinoma nor in the simple hyperkeratosis. Conclusion There was no association between PVL and HPV infection in our patients.
Papillon- Lefevre Syndrome: Report of a case and its management
2012
Papillon-Lefèvre Syndrome (PLS) is a rare autosomal recessive disorder first described by two French physicians, Papillon and Lefèvre in 1924. The disorder is characterized by diffuse palmoplantar keratoderma and precocious aggressively progressing periodontitis, leading to the premature loss of deciduous and permanent teeth at a very young age. The cutaneous lesions are usually manifested simultaneously with the intra-oral presentations and include keratotic plaques on the palms and soles varying from mild psoriasiform scaly skin to overt hyperkeratosis. The etiopathogenesis of the syndrome is relatively obscure and immunologic, genetic or possible bacterial etiologies have been proposed. …
A method for skin malformation classification by combining multispectral and skin autofluorescence imaging
2018
As the incidence of skin cancer is still increasing worldwide, there is a high demand for early, non-invasive and inexpensive skin lesion diagnostics. In this article we describe and combine two skin imaging methods: skin autofluorescence (AF) and multispectral criterion p’. To develop this method, we used custom made prototype with 405 nm, 526 nm, 663 nm and 964 nm LED illuminations, perpendicular positioned linear polarizers, 515 nm filter and IDS camera. Our aim is to develop a skin lesion diagnostic device for primary care physicians who do not have experience in dermatology or skin oncology. In this study we included such common benign lesion groups as seborrheic keratosis, hyperkerato…
Residents’corner August 2014. sQUIZ your knowledge!: Persistent papules on the lateral aspects of both palms
2014
A 52 year-old woman, with no relevant past medical history, presented with asymptomatic cutaneous lesions (that had first been noticed fifteen years before). On examination, several 2-3 mm reddish-yellow, well-defined and firm papules were noted on the lateral aspects of both hands (figure 1).What is your diagnosis (figure 1)? The answer is on the next page.The answer to sQuiz: AcrokeratoelastoidosisA biopsy of one of the lesions showed orthokeratotic hyperkeratosis with a central area bearing a [...]