The Efficacy of a Q-Switched 694-nm Ruby Fractional Laser for Treating Acquired Bilateral Nevus of Ota-Like Macules

BACKGROUND: Acquired bilateral nevus of Ota-like macules (ABNOM) are a common form of hyperpigmentation in Asian populations, characterized by brownish-blue or slate-gray pigmentation in the bilateral malar regions. The purpose of this study was to evaluate the efficacy and complications of a Q-switched (QS) fractional ruby laser in the treatment of ABNOM. METHODS: Forty-four patients with ABNOM treated with a QS fractional ruby laser from January 2014 to February 2016 were enrolled in this study. Patients received up to 10 treatment sessions, at intervals ranging from 3 to 4 weeks. An automatic skin diagnosis system was used before and after laser treatment to evaluate the efficacy of the laser treatment. To evaluate the complications of the laser treatment, a retrospective chart review was conducted. RESULTS: Forty-one patients were female, and 3 were male. The mean age of the patients was 47.2 years, and the mean follow-up period was 14 months. The median skin pigmentation score was 5 (interquartile range [IQR], 5–6) before laser treatment and 3 (IQR, 3–4) after laser treatment. A statistically significant difference (P < 0.01) was found in the skin pigmentation score before and after laser treatment. CONCLUSIONS: This study suggests that, although multiple sessions are required, QS ruby fractional lasers can be considered an effective and less invasive form of treatment of ABNOM.

Acquired, Bilateral Nevus of Ota-like Macules (ABNOM) Associated with Ota's Nevus: Case Report

Ota's nevus is mongolian spot-like macular blue-black or gray-brown patchy pigmentation that most commonly ocurrs in areas innervated by the first and second division of the trigeminal nerve. Acquired, bilateral nevus of Ota-like macules (ABNOM) is located bilaterally on the face, appears later in life, is blue-brown or slate-gray in color. It is not accompanied by macules on the ocular and mucosal membranes. There is also debate as to whether ABNOM is part of the Ota's nevus spectrum. We report an interesting case of ABNOM associated with Ota's nevus. A 36-yr-old Korean women visited our clinic with dark bluish patch on the right cheek and right conjunctiva since birth. She also had mottled brownish macules on both forehead and both lower eyelids that have developed 3 yr ago. Skin biopsy specimens taken from the right cheek and left forehead all showed scattered, bipolar or irregular melanocytes in the dermis. We diagnosed lesion on the right cheek area as Ota's nevus and those on both forehead and both lower eyelids as ABNOM by clinical and histologic findings. This case may support the view that ABNOM is a separate entity from bilateral Ota's nevus.

Rare abnomalities of the gallbladder and cystic duct:a report of 8 cases / 中国普通外科杂志

Objective To explore the types and the clinical value of the abnomalities of the gallbladder and cystic duct. Methods The clinical date of the 8 cases associated with the abnomalities of the gallbladder and cystic duct among the 432 patients who underwent cholecystectomy in our department since 1990 January were analyzed relrospectively. Results Of the 8 cases ,1 case was discovered as gallbladder duplication, 1 as left-sided gallbladder, 2 as cystic duct parallel to CBD ,1 as cystic duct joining to the anterior wall of CBD,1 as double cystic ducts (one duct joining to the common hepatic duct, the other joining to CBD ),1 as gallbladder hepatic duct ,1 as right accessory hepatic duct joining to the cystic duct. 4 patients(50.0%) developed postoperative complications.Conclusions The keys to reduce the morbidity rate of cholecystectomy are carefully assessment and dissection of the Calot′s triangular area, correct management of the cystic duct ,cystic artery ,and the "adhesions".