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Odontogenic keratocyst (OKC) accounts for 3-11% of all odontogenic cysts. OKC is a benign intra-osseous odontogenic tumor, but what makes this cyst special is its aggressive behavior and high recurrence rate. OKC is relatively aggressive compared to other odontogenic cysts, but its malignant transformation is considered extremely rare. Squamous cell carcinoma associated with odontogenic keratocysts have rarely been reported in the medical literature. We recently experienced a case of a 63-year-old man finally confirmed with squamous cell carcinoma of the mandible, which was initially diagnosed as a benign odontogenic keratocyst. Surgical resection was performed as definitive treatment. Therefore, we present this unique case with a review of the literature.

Background We report our experiences with prepectoral placement breast implant surgery using Supporix (HansBioMed), a porcine acellular dermal matrix (PADM), for cosmetic and reconstructive indications. The clinical efficiency, safety, and cost-effectiveness of PADM were also discussed.Methods A single-center, retrospective study was designed from December 2017 to December 2019. The participants were Korean women who underwent PADM-assisted prepectoral breast implant surgery performed by two surgeons. All complications were registered and analyzed. A systematic review and meta-analysis of complication rates after PADM-assisted prepectoral breast implant surgery were conducted for comparison with other studies. A subgroup analysis was performed according to the operation type: the cosmetic breast surgery (CBS) group, the immediate implant-based breast reconstruction (IIBR) group, and the delayed implant-based breast reconstruction (DIBR) group.Results Twenty breasts in 16 patients were included in our study (median follow-up period, 8.25 months). In a systematic review, 20 publications with a total of 2,504 breasts in 1,921 women were quantitively analyzed. The overall complication rates in our study and other studies were 14% and 24% in the total group analysis, 0% and 12% in the CBS group, 62% and 26% in the IIBR group, and 0% and 28% in the DIBR group, respectively.Conclusions Our data support the effectiveness of PADM-assisted prepectoral breast implant surgery, which was comparable to other studies. PADM was effective for reducing seroma and hematoma in the revision CBS group and the DIBR group. In the IIBR group, it was helpful in preventing implant loss and explantation.

Behçet syndrome (BS) is a chronic inflammatory disease that damages blood vessels and affects multiple systems, including the skin, mucosa, joints, eyes, nervous system, and gastrointestinal tract. The disease follows a relapsing course, characterized by recurrent episodes of inflammation. Cutaneous lesions are a common manifestation of BS, presenting as ulcerations exhibiting the pathergy response, posing a challenge for healing. We report an unusual case of abdominal wall ulceration in a female patient with previously undiagnosed BS. The atypical characteristics and course of the ulcerations, as well as the data obtained from the patient’s medical history and laboratory findings, prompted a multidisciplinary approach. The findings, in conjunction with the clinical suspicion, resulted in a diagnosis of BS. Following the diagnosis, the patient received appropriate management, including local wound care and medical treatment for BS, resulting in rapid wound epithelialization within a few days of treatment initiation. The patient was referred to a rheumatologist for further evaluation and long-term management of BS. This case underscores the significance of including BS in the differential diagnosis of unusual ulcerations.

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