Document Detail

Reticulate eruptions: Part 2. Historical perspectives, morphology, terminology and classification.
MedLine Citation:
PMID:  22070695     Owner:  NLM     Status:  In-Data-Review    
Reticulate eruptions of vascular origin may represent an underlying arterial, venous, microvascular or combined pathology. In the presence of arterial pathology, individual rings are centred around ascending arterial vessels that supply the corresponding area of skin within an arterial hexagon that clinically presents with a blanched centre. Confluence of multiple arterial hexagons generates a stellate (star-like) pattern. In the presence of a primary venous pathology, individual rings correspond to the underlying reticular veins forming multiple venous rings. Focal involvement of a limited number of vessels presents with a branched (racemosa) configuration while a generalized involvement forms a reticulate (net-like) pattern. 'Livedo' refers to the colour and not the pattern of the eruption. Primary livedo reticularis (Syn. cutis marmorata) is a physiological response to cold and presents with a diffuse blanchable reticulate eruption due to vasospasm of the feeding arteries and sluggish flow and hyperviscosity in the draining veins. Livedo reticularis may be secondary to underlying conditions associated with hyperviscosity of blood. Livedo racemosa is an irregular, branched eruption that is only partially-blanchable or non-blanchable and always signifies a pathological process. Retiform purpura may be primarily inflammatory with secondary haemorrhage or thrombohaemorrhagic, as seen in disseminated intravascular coagulopathy.
Kurosh Parsi; Hugo Partsch; Eberhard Rabe; Albert Adrien Ramelet
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Publication Detail:
Type:  Journal Article     Date:  2011-10-11
Journal Detail:
Title:  The Australasian journal of dermatology     Volume:  52     ISSN:  1440-0960     ISO Abbreviation:  Australas. J. Dermatol.     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0135232     Medline TA:  Australas J Dermatol     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  237-44     Citation Subset:  IM    
Copyright Information:
© 2011 The Authors. Australasian Journal of Dermatology © 2011 The Australasian College of Dermatologists.
Department of Dermatology, St. Vincent's Hospital Department of Dermatology and Vascular Birthmarks Unit, Sydney Children's Hospital St Vincent's Clinical School, University of New South Wales, Sydney, Australia Department of Dermatology, Wilhelminen Hospital, Medical University of Vienna, Vienna, Austria Department of Dermatology, University of Bonn, Bonn, Germany Department of Dermatology, Inselspital, Bern, Switzerland.
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