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Dermatol Reports 2020 Sep 22;12(2):8791. Epub 2020 Oct 22.

Dermatology Unit, University of Campania "L. Vanvitelli", Napoli, Italy.

Warty Dyskeratoma (WD) is a rare condition consisting in single or multiple papular or nodular lesions of the skin or of the oral mucosamucosa. Histologically, a cupshaped epidermal invagination centred by a plug of epidermal hyperparakeratosis with suprabasal acantholysis and dyskeratosis is typically observed. A case of post-inflammatory WD, which was also observed by dermoscopy, is described. Read More

Dermatol Reports 2020 Jun 25;12(1):8236. Epub 2020 Jun 25.

Psoriasis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.

Warty dyskeratoma is an uncommon benign skin lesion, which is mostly limited to the head or neck and is rarely seen in other areas of the skin or mucous membranes. Although it is clinically similar to many skin lesions, its distinctive histopathologic features help distinguish it from other identical lesions. Herein, we report a case of warty dyskeratoma in a very unusual site (lateral border of the tongue) in a 56-year-old woman. Read More

An Bras Dermatol 2019 Sep - Oct;94(5):630-631. Epub 2019 Sep 30.

Department of Dermatology, Second Affiliated Hospital, Xi'an Jiaotong University, Shaanxi Province, China. Electronic address:

Indian Dermatol Online J 2019 May-Jun;10(3):343-345

Department of Dermatology, HBT Medical College and Dr. RN Cooper Hospital, Juhu, Mumbai, Maharashtra, India.

Zhonghua Bing Li Xue Za Zhi 2019 Apr;48(4):334-335

Department of Pathology, the Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, China.

J Dermatol 2018 Jun 21;45(6):e171-e172. Epub 2017 Dec 21.

Division of Dermatology, Nippon Medical School Musashi-Kosugi Hospital, Kanagawa, Japan.

Dermatol Pract Concept 2017 Oct 31;7(4):47-49. Epub 2017 Oct 31.

Dermatology Department, Hospital Provincial del Centenario de Rosario, Universidad Nacional de Rosario, Argentina.

J Dermatol 2018 Apr 8;45(4):e74-e75. Epub 2017 Nov 8.

Department of Dermatology, Asahikawa Medical University, Asahikawa, Japan.

Int J Womens Dermatol 2017 Sep 26;3(3):154-156. Epub 2017 Jul 26.

Department of Dermatology, University of Connecticut School of Medicine, Farmington, CT.

Warty (follicular) dyskeratoma (WD) is a discrete nodular lesion that demonstrates the characteristic histopathologic findings of acantholysis and dyskeratosis. WDs most commonly occur on the head and neck of adults. We present a case of WD that occurred on the mons pubis of a 53-year-old woman. Read More

JAAD Case Rep 2017 Jul 18;3(4):336-338. Epub 2017 Jul 18.

Division of Oral and Maxillofacial Pathology, Columbia University Medical Center, New York, New York.

Case Rep Dermatol Med 2017 23;2017:3613109. Epub 2017 Feb 23.

Department of Pathology, Hospital Universitario Severo Ochoa, Avenida de Orellana, Leganés, 28911 Madrid, Spain.

Warty dyskeratoma is an uncommon entity characterized by a solitary keratotic papule or nodule usually located in the head and neck of young adults. The histopathology shows a pattern of acantholytic dyskeratosis. We report a 32-year-old man who presented pain, serous exudation, a distal onycholysis with subungual hyperkeratosis, and roundish erythronychia in the nail plate of his left first toe 2 years ago. Read More

Indian Dermatol Online J 2016 Jul-Aug;7(4):272-4

Department of Dermatology-Dermatopathology, The Ackerman Academy of Dermatopathology, New York City, New York, USA.

Acantholytic dyskeratosis (AD) is a histologic pattern seen in Darier's disease or dyskeratosis follicularis, warty dyskeratoma, and transient AD. This pattern is characterized by suprabasilar clefting, acantholysis, and formation of corps ronds and grains. We present a case of AD that is unique based on its genital location and cystic architecture. Read More

J Am Acad Dermatol 2016 Sep;75(3):e97-e98

Serviço de Dermatologia, Hospital de Santo António dos Capuchos, Centro Hospitalar de Lisboa Central, Lisboa, Portugal.

Ophthalmology 2015 Jul;122(7):1282

University of Wisconsin - Madison, Department of Ophthalmology and Visual Sciences, Madison, Wisconsin.

J Pharm Bioallied Sci 2015 Apr;7(Suppl 1):S203-6

Department of Oral pathology and Microbiology, Sree Balaji Dental College and Hospital, Bharath University, Chennai, Tamil Nadu, India.

Genodermatoses are an inherited disorder, present with multisystem involvement. Help us to identify regular mutations and appalling skin diseases with recessive inheritance. Genetic heterogeneity is very common, and molecular diagnosis requires a broad effort. Read More

Iran J Public Health 2014 Aug;43(8):1145-7

3. Dept. of Dermatology, Medical Faculty, Uludag University , Bursa, Turkey.

Warty dyskeratoma is a rare tumor that presents mainly as an isolated papule or nodule on the scalp, face or neck in the adults. Warty dyskeratoma frequently arises as a single lesion with a central keratotic plug on the skin of middle-aged or elderly people. Multiple warty dyskeratomas are very rare cutaneous lesions which are mostly seen on the scalp. Read More

Am J Dermatopathol 2015 Oct;37(10):802-4

*Division of Dermatology, San Gallicano Dermatological Institute, Rome, Italy †Unit of Dermatopathology, San Gallicano Dermatological Institute, Rome, Italy.

Zhonghua Bing Li Xue Za Zhi 2014 Oct;43(10):701-2

E-mail:

Am J Dermatopathol 2012 Aug;34(6):674-5

J Oral Pathol Med 2012 Mar 21;41(3):261-7. Epub 2011 Sep 21.

Department of Oral Pathology and Oral Medicine, School of Dental Medicine, Tel-Aviv University, Tel Aviv, Israel.

Background: Warty dyskeratoma (WD) is an uncommon lesion of the skin that is considered to be associated with the pilosebaceous apparatus. Histologically similar lesions have been described in the oral region mainly by case reports and under the terms 'WD' or 'focal acantholytic dyskeratosis (FAD)'. Owing to the paucity of reports, many aspects of the oral lesions remain unclear. Read More

Ann Dermatol 2011 Feb 28;23(1):98-100. Epub 2011 Feb 28.

Department of Dermatology, School of Medicine and Medical Research Institute, Chungbuk National University, Cheongju, Korea.

Warty dyskeratoma (WD) is a rare epidermal tumor that frequently arises as a papule or nodule on the head or neck of middle-aged or older persons. Histologically, it shows a cup-shaped keratin-filled invagination of an acanthotic epidermis, suprabasilar clefting with villi projecting into the clefts and acantholytic dyskeratotic cells are also present. The changes almost always involve a single hair follicle. Read More

Am J Clin Dermatol 2011 Aug;12(4):217-31

The University of Houston Health Center, Texas, USA.

Longitudinal erythronychia is a linear red band on the nail plate that originates at the proximal nail fold, traverses the lunula, and extends to the free edge of the nail plate. Longitudinal erythronychia is classified based upon the number of nails affected and the number of red streaks present on each nail as follows: type Ia (monodactylous - single band), type Ib (monodactylous - bifid bands), type IIa (polydactylous - single band), and type IIb (polydactylous - multiple bands). Associated morphologic findings that can be present at the distal tip of the nail with longitudinal erythronychia include fragility, onycholysis, splinter hemorrhage, splitting, subungual keratosis, thinning, and V-shaped nick. Read More

Actas Dermosifiliogr 2009 Nov;100 Suppl 1:106-13

Nail Disease Center, Cannes, France.

Red nail is a common disorder. However, a thorough examination of the patient's nails allows one to distinguish different diseases. For example, longitudinal erythronychia may be monodactylous or polydactylous. Read More

Dermatol Online J 2009 Feb 15;15(2). Epub 2009 Feb 15.

Department of Dermatology, Goztepe Training and Research Hospital.

Warty dyskeratoma is usually characterized by solitary papules or nodules which reveal acantholytic dyskeratosis histopathologically. Warty dyskeratoma most commonly presents as a single lesion, but there are a few case reports of patients with multiple lesions. Herein we report a female patient presenting with multiple verrucous papules on the scalp diagnosed clinically and histopathologically as warty dyskeratoma. Read More

Todays FDA 2008 Aug;20(8):17-9

University of Florida College of Dentistry, USA.

Am J Surg Pathol 2007 Dec;31(12):1897-901

Department of Pathology and Immunology, Barnes-Jewish Hospital/Washington University School of Medicine, St Louis, MO, USA.

Cornoid lamellation is a specific disorder of epidermal maturation manifested by a vertical "column" of parakeratosis and is the hallmark of porokeratosis. The cornoid lamella is characterized by a ridgelike parakeratosis. We present 11 patients with solitary lesions of a distinct pattern of cornoid lamellation. Read More

Ann Dermatol Venereol 2007 Aug-Sep;134(8-9):633-6

Clinique Dermatologique, Hôpitaux Universitaires de Strasbourg.

Background: The exact origin and classification of warty dyskeratoma in epithelial tumours are still debated. The purpose of this study was to examine the relationship between this tumour and the pilosebaceous follicles.

Materials And Methods: This was a retrospective, anatomoclinical study. Read More

J Cutan Pathol 2007 Jun;34(6):494-6

Department of Dermatology and Veneorology, Medical University of Łódź, Łódź, Poland.

We report the case of a 64-year-old man with a plaque-like lesion on the lower back. Clinically, squamous cell carcinoma was suspected, but the histological features resembled those of isolated Darier's disease or pemphigus vegetans. The lesion was removed with the final diagnosis of acantholytic dyskeratotic acanthoma. Read More

J Dermatol 2006 Jul;33(7):477-80

Department of Dermatology, Numune State Hospital, Turkey.

Our 42-year-old patient had comedonal Darier's disease (DD) on the face, comedonal cornifying DD on the upper back, and hypertrophic DD on both legs. Biopsies taken from face, upper back and medial sides of the legs were found to be compatible with these clinical subtypes. The comedonal type was in the classical place, but the hypertrophic and cornifying types were not in the usual sites. Read More

Tunis Med 2005 Apr;83(4):227-9

Service d'Anatomo-Pathologie, EPS La Rabta, Tunis.

Introduction: Warty dyskeratoma is a rare, benign, epithelial tumor characterized by a variable clinicopathologic spectrum. In all cases, lesions revealed foci of acantholytic dyskeratosis.

Case Report: A 74-year-old man has for two year developped a single small nodule with a hyperkeratotic area on the scalp. Read More