Document Detail

Splitting hairs: the 'hamburger sign' in trichotillomania.
MedLine Citation:
PMID:  16972959     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: A 43-year-old male presented with the clinical findings of patchy alopecia that contained persistent hair and re-growth of hairs of various lengths, consistent with trichotillomania. A biopsy was performed to confirm the diagnosis.. RESULTS: Histologic evaluation revealed findings consistent with trichotillomania, including trichomalacia. Several hair shafts also showed a vertically oriented split, which contained proteinaceous material and erythrocytes. Morphologically, these were reminiscent of a hamburger within a bun. CONCLUSIONS: The unusual finding reported in this case has not been previously reported. The "hamburger bun sign" provides an additional clue to traumatic injury in the evaluation of biopsies for trichotillomania.
Michael C Royer; Leonard C Sperling
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of cutaneous pathology     Volume:  33 Suppl 2     ISSN:  0303-6987     ISO Abbreviation:  J. Cutan. Pathol.     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2006-09-15     Completed Date:  2007-04-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0425124     Medline TA:  J Cutan Pathol     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  63-4     Citation Subset:  IM    
Armed Forces Institute of Pathology, Washington, DC, USA.
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MeSH Terms
Alopecia Areata / pathology*
Hair / pathology*
Hair Diseases / pathology*
Trichotillomania / pathology*

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