Background Epidermal cysts are benign, slow growing cysts that often develop on the head, neck, chest, and back of adults. The most common method of surgical excision involves the use of a scalpel and often leaves a scar proportional to the size of the cyst. Therefore, minimally invasive techniques are required. Among these techniques, the CO 2 laser-based technique is minimally invasive and has lower complication rate, shorter recovery times, and lesser scarring. This paper aimed to compare the results and postoperative complications associated with a CO 2 laser-based excision against conventional surgical excision for epidermal cysts. Methods We surveyed 120 patients, aged 16 to 65 years, with epidermal cysts on the face measuring 0.5 to 2.2 cm in diameter. Twelve months later, we compared the scar length, recurrence rate, patient satisfaction, and complications between patients treated with CO 2 laser excision versus surgical excision. Results The mean scar length (12 months postoperative) after CO 2 laser excision was 0.30± 0.15 cm, and that following surgical excision was 1.23± 0.43 cm ( p = 0.001). The procedure time (time from incision after local anesthesia to the end of repair) was 16.15± 5.96 minutes for CO 2 laser excision versus 22.38± 6.05 minutes for surgical excision ( p = 0.001). The recurrence rates in the surgical excision group and CO 2 laser excision group were 3.3% and 8.3%, respectively; this difference was not statistically significant ( p = 0.648). Conclusion The cosmetic outcome of CO 2 laser excision is excellent. For epidermal cysts measuring 2.2 cm or smaller, CO 2 laser excision is recommended, especially when aesthetic outcome is considered important.
Linear scleroderma en coup de sabre (LScs) is a variant of localized scleroderma. This disease typically occurs in patients in their 20s or younger individuals and predominantly occurs in the forehead area. A 26-year-old man with linear scleroderma was surgically treated at our center with Medpor (porous polyethylene) and dermal fat graft for the forehead lesion. After 26 months of postoperative follow-up, the depressed lesion that appeared scarred as well as the margins improved significantly. The surgical treatment of LScs using Medpor and dermal fat graft is an effective treatment modality that can increase patient satisfaction.
There are 2 predominant mechanisms that are used to explain the pathogenesis of orbital blowout fracture; these include hydraulic and buckling mechanisms. Still, however, its pathophysiology remains uncertain. To date, studies in this series have been conducted using dry skulls, cadavers, or animals. But few clinical studies have been conducted to examine whether the hydraulic mechanism is involved in the occurrence of pure orbital blowout fracture. The authors experienced a case of a 52-year-old man who had a pure medial blowout fracture after sustaining an eye injury because of a high-pressure air gun. Our case suggests that surgeons should be aware of the possibility that the hydraulic mechanism might be involved in the blowout fracture in patients presenting with complications, such as limitation of eye movement, diplopia, and enophthalmos.
Traumatic subcutaneous emphysema, which is the infiltration of air into subcutaneous tissues due to trauma, is caused by various factors such as chest and/or abdominal trauma, facial fractures, and barotrauma caused by mechanical ventilation. In this case report, a 32-year-old woman developed traumatic subcutaneous emphysema after undergoing abdominal liposuction at a local clinic. She was subsequently admitted to Busan Paik Hospital, and with early diagnosis and conservative treatment, she was discharged on the seventh day of hospitalization with no complications. However, because traumatic subcutaneous emphysema may accompany other injuries for various reasons, radiological examination and various tests should be performed to prevent serious complications and sequelae.
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