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Increased serum visfatin, fetuin-A, and PTX3 levels, and the presence of positive correlation between visfatin, fetuin-A, and PASI score, probably reflect the inflammatory state and IR seen in psoriasis.

Stevens-Johnson syndrome (SJS) is a serious and potentially life-threatening disease. Vanishing bile duct syndrome (VBDS) is a rare cause of progressive cholestasis. Both syndromes are mostly related with drugs. We report a case of a patient with ciprofloxacin-induced SJS and acute onset of VBDS, and reviewed the related literature. It is the first case of ciprofloxacin-induced VBDS successfully treated with tacrolimus. This case reminds physicians of the importance of drug reactions, their severity, techniques for diagnosis and methods of management.

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Nicolau syndrome is rare cutaneous adverse reaction following injection of various drugs. The disease has been associated with almost all classes of medications, such as nonsteroidal anti-inflammatory drugs, local anesthetics, corticosteroids, antibiotics, vitamin B complexes, antihistamines, and vaccines. The most severe cases of this complication occur after injection of nonsteroidal anti-inflammatory drugs. Subcutaneous injection is an important factor in the pathogenesis of the syndrome. We report a case of Nicolau syndrome resulting from intramuscular injection of diclofenac and discuss some precautions to prevent this complication.

Nevoid hyperkeratosis of the nipple and areola is a rare dermatosis with unknown etiology, (Perez-Izquierdo JM, Vilata JJ, Sanchez JL, et al. Retinoic acid treatment of nipple hyperkeratosis. Arch Dermatol 1990;126:687-688). Only 40 cases have been reported until 1997 (Alpsoy E, Yilmaz E, Aykol A. Hyperkeratosis of the nipple: report of two cases. J Dermatol 1997;24:43-45). The disease has a benign course and may only be a cosmetic problem. Different modalities have been used in the treatment of NHNA. In our case treatment with topical retinoic acid induced an acceptable response.

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