Results 31 to 40 of about 1,529 (176)

Malignant Transformation in Porokeratosis Ptychotropica: A Systematic Review

open access: yesActa Dermato-Venereologica
Porokeratosis ptychotropica (PP) is a rare and unusual variant of porokeratosis. There is a dearth of information on the natural history, epidemiology, and optimal treatment options.
Chee H. Loh   +4 more
doaj   +1 more source

Epidemiology and Genetics of Rheumatic Diseases Suggest a Constant Rate of DNA Damage as Underlying Cause

open access: yesImmunology, Volume 177, Issue 4, Page 736-748, April 2026.
A constant rate of DNA damage that is not perfectly repaired will cause a constant rate of DNA mutations. The chance of mutation will increase if DNA is prone to damage, such as occurs in somatic hypermutation (SHM) hotspots and GC‐rich DNA. Thus, if one mutation‐prone DNA site drives disease, the age of onset of disease and degree of penetrance should
Piet C. de Groen
wiley   +1 more source

Isolated plantar punctate porokeratosis: case report

open access: yesJournal of the Egyptian Women’s Dermatologic Society
Porokeratosis is a rare distinct acquired or congenital skin disease of unknown origin, characterized by abnormal keratinization. A rare form of porokeratosis known as punctate porokeratosis is distinguished by raised lesions on the palms and soles that ...
Enas A.S. Attia
doaj   +1 more source

Plantar Lichen Planus

open access: yesClinical Case Reports, Volume 14, Issue 3, March 2026.
ABSTRACT Plantar Lichen Planus is a rare and often underrecognized variant of Lichen Planus that can mimic pityriasis rubra pilaris and psoriasis clinically. Accurate diagnosis relies on clinicopathological correlation, and a high index of suspicion is essential in atypical or treatment resistant plantar dermatoses for appropriate management.
Shraddha Uprety   +3 more
wiley   +1 more source

Pitted Plaques of Palms and Soles

open access: yesNepal Journal of Dermatology, Venereology & Leprology
Porokeratosis is a chronic and progressive disorder of keratinization. Punctate porokeratosis is grossly described as multiple minute keratotic projections over the palmoplantar region.
Akshata Mane   +4 more
doaj   +3 more sources

Porokeratosis: Two Faces, One Family

open access: yesCase Reports in Dermatology, 2009
Porokeratosis is a disorder of keratinisation whose pathogenesis is yet unclear. It has been postulated that it results from the proliferation of an abnormal clone of keratinocytes, triggered by several factors, such as immunosuppression or prolonged ...
S. Lembo   +4 more
doaj   +1 more source

Linear porokeratosis

open access: yesDermatology Online Journal, 2005
A 66-year-old man presented with linear lesions of 5-years duration on his right lower extremity along Blaschko's lines. Physical examination showed hyperpigmented and violaceous papules with hypopigmented centers that were surrounded by fine, raised hyperkeratototic rims.
openaire   +4 more sources

Clinical and dermatoscopic features of porokeratosis palmaris et plantaris

open access: yesIndian Dermatology Online Journal, 2016
A dermatoscope is an important tool in a dermatologist's armamentarium as it can eliminate the need for a biopsy in a wide array of conditions. Porokeratosis was described by Mibelli and Respighi in 1893, as a disorder of keratinization which on the ...
Satish Udare, Karishma Hemmady
doaj   +1 more source

Digital hamartoma resulting in a gait abnormality in a dog

open access: yesVeterinary Record Case Reports, Volume 14, Issue 1, February 2026.
Abstract A 9‐year‐old Brussels Griffon presented for assessment of a pendulous mass on the dorsal aspect of the third digit of the left hindlimb, following prior trauma to the area during a grooming visit. The primary veterinarian performed a fine needle aspirate of the mass, which revealed a mixed population of inflammatory cells. At presentation, the
Tenley R. Porcher, Laura E. Selmic
wiley   +1 more source

A Long‐Standing Palmar Depressed Macule

open access: yes
JEADV Clinical Practice, Volume 5, Issue 2, Page 734-736, June 2026.
Jhon Edwin Rodríguez‐Vásquez   +4 more
wiley   +1 more source

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