Erythema Annulare Centrifugum (EAC)

Figure 3.23 A: EAC (Courtesy of Dr. Paul Getz) B: Majocchi’s disease (Courtesy of Dr. Sophie M. Worobec) C: Pigmented purpuric lichenoid dermatitis (Courtesy of Dr. Paul Getz)
Figure 3.23
A: EAC
(Courtesy of Dr. Paul Getz)
B: Majocchi’s disease
(Courtesy of Dr. Sophie M.
Worobec
)
C: Pigmented purpuric lichenoid
dermatitis
(Courtesy of Dr. Paul Getz)
(Figure 3.23A)
  • Figurate erythema due to infection (especially dermatophyte), medication, neoplasm or idiopathic
  • Presents with annular or polycyclic erythematous plaques with ‘trailing’ scale at inner border, infiltrated peripheral border; expands centrifugally with central clearing
  • Histology: focal parakeratosis, superficial and deep perivascular mononuclear infiltrate with characteristic ‘cuffing’ or ‘coat sleeving’ fashion
  • Treatment: treat any underlying disorder, topical corticosteroid