Document Detail

Primary cutaneous amyloidosis of the external ear: a clinicopathological and immunohistochemical study of 17 cases.
MedLine Citation:
PMID:  22077601     Owner:  NLM     Status:  Publisher    
Primary cutaneous amyloidosis includes several forms of localized amyloidosis characterized by superficial amyloid deposits occurring at or near the dermal-epidermal junction in the absence of systemic involvement. Primary cutaneous amyloidosis of the auricular concha and external ear represents a rarely described variant. There have been 27 cases reported in the English language literature, and herein we report 17 additional cases. This article demonstrates that the amyloid observed in this context is generally positive for Congo red, crystal violet and thioflavin T. It also expresses cytokeratin 34ßE12 via immunohistochemistry. Our immunohistochemical results and review of the literature suggest that the amyloid in amyloidosis of the external ear is the result of basal keratinocyte degeneration and does not signify deposition from a systemic or generalized process. Wenson SF, Jessup CJ, Johnson MM, Cohen LM, Mahmoodi M. Primary cutaneous amyloidosis of the external ear: a clinicopathological and immunohistochemical study of 17 cases.
Scott F Wenson; Chad J Jessup; Matthew M Johnson; Lisa M Cohen; Mandana Mahmoodi
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-12
Journal Detail:
Title:  Journal of cutaneous pathology     Volume:  -     ISSN:  1600-0560     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0425124     Medline TA:  J Cutan Pathol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 John Wiley & Sons A/S.
Department of Pathology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA, USA Department of Dermatopathology, Caris Life Sciences, Newton, MA, USA Department of Dermatology, Tufts University School of Medicine, Boston, MA, USA.
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