Histopathological and ultrastructural features of dermal telangiectasias in systemic sclerosis

Simple item page
dc.contributor.authorWalker, J.
dc.contributor.authorStirling, J.
dc.contributor.authorBeroukas, D.
dc.contributor.authorDharmapatni, A.
dc.contributor.authorHaynes, D.
dc.contributor.authorSmith, M.
dc.contributor.authorAhern, M.
dc.contributor.authorRoberts-Thomson, P.
dc.date.issued2005
dc.description.abstractAims: To investigate the histological, ultrastructural and immunohistochemical features of the vascular lining of dermal telangiectasia, a characteristic clinical finding in scleroderma. Methods: Standard histological, electron microscopic and immunohistological techniques were used to examine dermal telangiectasias in five patients with limited scleroderma, the most common scleroderma variant in Caucasian populations. Results: The telangiectasias were dilated postcapillary venules located in the papillary and superficial reticular dermis. The vessel walls consisted of non‐fenestrated endothelial cells surrounded by a variable number of pericytes and smooth muscle cells. There were no unique ultrastructural features. Thickened collagen fibres in the reticular or deep dermis were seen in all but one patient, although in variable and generally minimal quantities. Surrounding infiltrating inflammatory cells were scarce. No enhanced endothelial staining was obtained with antibodies directed against endoglin, endothelin, E‐selectin and ICAM‐1 suggesting a resting or inactivated state. Conclusion: The immunohistological and ultrastructural features of the lining endothelium of established telangiectasias in long‐standing, limited scleroderma appear benign. It would be of interest to examine telangiectasias in the early phase of their formation. Alternatively, other explanations need to be explored in understanding the aetiopathogenesis of telangiectasia in scleroderma.
dc.description.statementofresponsibilityJennifer G. Walker, John Stirling, Dimitra Beroukas, Kencana Dharmapatni, David R. Haynes, Malcolm D. Smith, Michael J. Ahern and Peter J. Roberts-Thomson
dc.identifier.citationPathology, 2005; 37(3):220-225
dc.identifier.doi10.1080/00313020500033262
dc.identifier.issn0031-3025
dc.identifier.issn1465-3931
dc.identifier.urihttp://hdl.handle.net/2440/17145
dc.language.isoen
dc.publisherTaylor & Francis
dc.rights© 2005 Royal College of Pathologists of Australasia
dc.source.urihttps://doi.org/10.1080/00313020500033262
dc.subjectTelangiectasia
dc.subjectsystemic sclerosis
dc.subjectscleroderma
dc.subjectendothelium
dc.subjectendoglin
dc.subjectendothelin
dc.titleHistopathological and ultrastructural features of dermal telangiectasias in systemic sclerosis
dc.typeJournal article
pubs.publication-statusPublished

Files

Collections

Pathology publications