title: [Two new trichoscopic signs in alopecic and aseptic nodules of the scalp: "Eastern pancake sign" and comedo-like structures].
abstract: BACKGROUND
  The purpose of this study is to describe two new trichoscopic signs, "Eastern pancake sign" and "comedo-like structures", not previously reported to our knowledge and seen in 5 patients with alopecic and aseptic nodules of scalp (AANS).
  
  
  METHODS
  We report on 5 patients presenting AANS. Demographic and ethnic characteristics, disease duration, clinical description, treatment and evolution were noted. Trichoscopy was performed for all patients.
  
  
  RESULTS
  In all cases of NAAS, trichoscopy revealed 2 signs: "Eastern pancake sign" resulting in heterogeneous dilated follicular orifices without trichoscopic signs of alopecia areata, and "comedo-like structures" resembling comedones.
  
  
  CONCLUSIONS
  To our knowledge, there have been no previous reports in the literature of the 2 new trichoscopic signs of AANS described herein: "Eastern pancake sign" and "comedo-like structures". The trichoscopic feature of comedo-like structures suggests the potential role of follicular occlusion in this disease. We consider that follicular occlusion may be a triggering factor in AANS.
authors.affiliation: Cabinet de dermatologie, « Le Vigny », 11, rue Alfred-de-Vigny, 25000 Besançon, France. Electronic address: ybourezane@free.fr.
authors.forename: Y
authors.initials: Y
authors.lastname: Bourezane
authors.affiliation: Cabinet de dermatologie, « Le Vigny », 11, rue Alfred-de-Vigny, 25000 Besançon, France.
authors.forename: H
authors.initials: H
authors.lastname: Bourezane
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000328:Adult; D000505:Alopecia / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D046169:Dermoscopy / Q000379:methods*; D004318:Doxycycline / Q000627:therapeutic use; D006201:Hair Diseases / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology; D018859:Hair Follicle / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012536:Scalp Dermatoses / Q000175:diagnosis* / Q000188:drug therapy / Q000473:pathology
chemical_list: D000305:Adrenal Cortex Hormones; D004318:Doxycycline
keywords: AANS; Alopecic and aseptic nodules of the scalp; Cellulite disséquante du cuir chevelu; Comedo-like structures; Crêpe orientale; Eastern pancake; Nodule alopécique et aseptique du scalp; Perifolliculitis abscedens et suffodiens; Pseudocomédon; Pseudokyste du cuir chevelu; Trichoscopie; Trichoscopy