Skin nonmelanocytic tumor
Benign (nonmelanotic) epidermal tumors or tumor-like lesions
Warty dyskeratoma
Author: Christopher S. Hale, M.D.
Last author update: 1 June 2012
Last staff update: 13 December 2024 (update in progress)
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Warty dyskeratoma
Table of Contents
Definition / general | Case reports | Clinical images | Gross description | Microscopic (histologic) description | Microscopic (histologic) images | Differential diagnosisCite this page: Hale CS. Warty dyskeratoma. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skintumornonmelanocyticwartydyskeratoma.html. Accessed December 23rd, 2024.
Definition / general
- Also called isolated follicular keratosis
- Small maculopapular lesion of sun-exposed skin of head / neck
- Either follicular counterpart of actinic keratosis or a follicular neoplasm
- Not related to Darier’s disease
Case reports
- 47 year old man with scalp nodule (Ann Dermatol 2011;23:98)
Clinical images
Images hosted on other servers:
Warty dyskeratoma
Gross description
- Solitary, well-defined nodule
Microscopic (histologic) description
- Cup-shaped keratin-filled invagination
- Acanthotic epidermis with acantholytic dyskeratotic cells
- Suprabasilar clefting with villi projecting into clefts
Microscopic (histologic) images
Contributed by Mowafak Hamodat, M.B.Ch.B., M.Sc.
Warty dyskeratoma
Differential diagnosis
