Document Detail

Porokeratosis ptychotropica: a lesser-known variant.
MedLine Citation:
PMID:  20055860     Owner:  NLM     Status:  MEDLINE    
We report a case of the rare porokeratosis variant porokeratosis ptychotropica (PP). A circumferential perianal plaque and the characteristic histology of multiple cornoid lamellae with underlying dermal amyloid deposition were seen. Amyloid deposition was seen in the biopsied intertriginous area of the plaque only, which, in concordance with other cutaneous amyloid deposition disorders, may suggest a role for friction in the pathogenesis of this histological finding. We review the literature on PP and summarize the poor response seen to treatments.
B Tallon; G Blumental; J Bhawan
Publication Detail:
Type:  Case Reports; Journal Article; Review    
Journal Detail:
Title:  Clinical and experimental dermatology     Volume:  34     ISSN:  1365-2230     ISO Abbreviation:  Clin. Exp. Dermatol.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2010-01-08     Completed Date:  2010-08-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7606847     Medline TA:  Clin Exp Dermatol     Country:  England    
Other Details:
Languages:  eng     Pagination:  e895-7     Citation Subset:  IM    
Dermatopathology Section, Boston University School of Medicine, Boston, MA 02118-2515, USA.
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MeSH Terms
Buttocks / pathology*
Middle Aged
Porokeratosis / classification,  pathology*,  therapy
Pruritus / pathology*

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