A case of systemic lupus erythematosus presenting as erythema annulare centrifugum involving atypical sites (face, palm and sole) and raised serum angiotensin-converting enzyme levels has been illustrated.
HarrisonPV. The annular erythemas. Int J Dermatol1979; 18: 282–290.
2.
CoxNHCoulsonIHSystemic Disease and the Skin. In: BurnsTBreathnachSCoxNGriffithsC (eds). Rook’s Textbook of Dermatology, 8th edition. New Delhi: Wiley-Blackwell, 2008, pp. 62–110.
3.
ZiemerMEisendleKZelgerB. New concepts on erythema annulare centrifugum: A clinical reaction pattern that does not represent a specific clinicopathological entity. Br J Dermatol2009; 160: 119–126.
4.
WeyersWDiaz-CascajoCWeyersI. Erythema annulare centrifugum: Results of a clinicopathologic study of 73 patients. Am J Dermatopathol2003; 25: 451–462.
5.
KimKJChangSEChoiJHSungKJMoonKCKohJK. Clinicopathologic analysis of 66 cases of erythema annulare centrifugum. J Dermatol2002; 29: 61–67.
6.
PetriMOrbaiAMAlarconGS. Derivation and validation of the systemic lupus international collaborating clinics classification criteria for systemic lupus erythematosus. Arthritis Rheum2012; 64: 2677–2686.
7.
TzioufasAGVoulgarelisM. Update on Sjögren's syndrome autoimmune epithelitis: From classification to increased neoplasias. Best Pract Res Clin Rheumatol2007; 21: 989–1010.
8.
AbbasDEzzatYHamdyEGamilM. Angiotensin-converting enzyme (ACE) serum levels and gene polymorphism in Egyptian patients with systemic lupus erythematosus. Lupus2012; 21: 103–110.