BACKGROUND This report describes and discusses recurrent intramuscular lipoma(IML)of the extensor pollicis brevis(EPB).An IML usually occurs in a large muscle of the limb or torso.Recurrence of IML is rare.Recurrent I...BACKGROUND This report describes and discusses recurrent intramuscular lipoma(IML)of the extensor pollicis brevis(EPB).An IML usually occurs in a large muscle of the limb or torso.Recurrence of IML is rare.Recurrent IMLs,especially those with unclear boundaries,necessitate complete excision.Several cases of IML in the hand have been reported.However,recurrent IML appearing along the muscle and tendon of EPB on wrist and forearm has not been reported yet.CASE SUMMARY In this report,the authors describe clinical and histopathological features of recurrent IML at EPB.A 42-year-old Asian woman presented with a slowgrowing lump in her right forearm and wrist area six months ago.The patient had a history of surgery for a lipoma of the right forearm one year ago with a scar of 6cm on the right forearm.magnetic resonance imaging confirmed that the lipomatous mass,which had attenuation similar to subcutaneous fat,had invaded the muscle layer of EPB.Excision and biopsy were performed under general anesthesia.On histological examination,it was identified as an IML showing mature adipocytes and skeletal muscle fibers.Therefore,surgery was terminated without further resection.No recurrence occurred during a follow-up of five years after surgery.CONCLUSION Recurrent IML in the wrist must be examined to differentiate it from sarcoma.Damage to surrounding tissues should be minimized during excision.展开更多
BACKGROUND Transcutaneous oxygen pressure(TcpO2)is a precise method for determining oxygen perfusion in wounded tissues.The device uses either electrochemical or optical sensors.AIM To evaluate the usefulness of TcpO2...BACKGROUND Transcutaneous oxygen pressure(TcpO2)is a precise method for determining oxygen perfusion in wounded tissues.The device uses either electrochemical or optical sensors.AIM To evaluate the usefulness of TcpO2 measurements on free flaps(FFs)in diabetic foot ulcers(DFUs).METHODS TcpO2 was measured in 17 patients with DFUs who underwent anterolateral thigh(ALT)-FF surgery and compared with 30 patients with DFU without FF surgery.RESULTS Significant differences were observed in the ankle-brachial index;duration of diabetes;and haemoglobin,creatinine,and C-reactive protein levels between the two groups.TcpO2 values were similar between two groups except on postoperative days 30 and 60 when the values in the ALT-FF group remained<30 mmHg and did not increase>50 mmHg.CONCLUSION Even if the flap is clinically stable,sympathectomy due to adventitia stripping during anastomosis and arteriovenous shunt progression due to diabetic polyneuropathy could lead to low TcpO2 values in the ALT-FF owing to its thick fat tissues,which is supported by the slow recovery of the sympathetic tone following FF.Therefore,TcpO2 measurements in patients with DFU who underwent FF reconstruction may be less accurate than in those who did not.展开更多
BACKGROUND Compared to earlier,there has been an increase in the tattoo procedures for cosmetic purposes;and there has also been an increase in the tattoo procedures performed by non-medical personnel.In South Korea,o...BACKGROUND Compared to earlier,there has been an increase in the tattoo procedures for cosmetic purposes;and there has also been an increase in the tattoo procedures performed by non-medical personnel.In South Korea,only tattoos performed by a doctor are considered legal;however,there is still some debate over whether tattoo procedures performed by non-healthcare providers should be considered legal.CASE SUMMARY A 28-year-old woman visited our hospital with pain in both nipples and heat sensation over the last 4 d.She had a history of a nipple tattoo performed by an unlicensed person.Pinpoint bleeding was noted in both areolar areas,and the exudate mixed with pus and orange color ink was discharged.Oral medication and tulle with foam dressing were performed under the impression of cellulitis and allergic reaction.After 4 wk,nipples remained dark brown in color,resulting in a color mismatch between the nipple and orange-colored areola.The size of the areola was also found to be distinctly asymmetrical after healing.This complication may have been caused by the use of illegal ink or unsanitary procedures,or a problem may have occurred in the post-tattoo management stage.CONCLUSION Doctors use approved ink,aseptic procedure and appropriate postoperative care,and appropriate management can be performed in case of complications.展开更多
文摘BACKGROUND This report describes and discusses recurrent intramuscular lipoma(IML)of the extensor pollicis brevis(EPB).An IML usually occurs in a large muscle of the limb or torso.Recurrence of IML is rare.Recurrent IMLs,especially those with unclear boundaries,necessitate complete excision.Several cases of IML in the hand have been reported.However,recurrent IML appearing along the muscle and tendon of EPB on wrist and forearm has not been reported yet.CASE SUMMARY In this report,the authors describe clinical and histopathological features of recurrent IML at EPB.A 42-year-old Asian woman presented with a slowgrowing lump in her right forearm and wrist area six months ago.The patient had a history of surgery for a lipoma of the right forearm one year ago with a scar of 6cm on the right forearm.magnetic resonance imaging confirmed that the lipomatous mass,which had attenuation similar to subcutaneous fat,had invaded the muscle layer of EPB.Excision and biopsy were performed under general anesthesia.On histological examination,it was identified as an IML showing mature adipocytes and skeletal muscle fibers.Therefore,surgery was terminated without further resection.No recurrence occurred during a follow-up of five years after surgery.CONCLUSION Recurrent IML in the wrist must be examined to differentiate it from sarcoma.Damage to surrounding tissues should be minimized during excision.
基金the National Research Foundation of Korea Grant funded by the Korean government(MSIT)(2020R1A2C1100891 and 2021R1G1A1008337)the Soonchunhyang University Research Fund.
文摘BACKGROUND Transcutaneous oxygen pressure(TcpO2)is a precise method for determining oxygen perfusion in wounded tissues.The device uses either electrochemical or optical sensors.AIM To evaluate the usefulness of TcpO2 measurements on free flaps(FFs)in diabetic foot ulcers(DFUs).METHODS TcpO2 was measured in 17 patients with DFUs who underwent anterolateral thigh(ALT)-FF surgery and compared with 30 patients with DFU without FF surgery.RESULTS Significant differences were observed in the ankle-brachial index;duration of diabetes;and haemoglobin,creatinine,and C-reactive protein levels between the two groups.TcpO2 values were similar between two groups except on postoperative days 30 and 60 when the values in the ALT-FF group remained<30 mmHg and did not increase>50 mmHg.CONCLUSION Even if the flap is clinically stable,sympathectomy due to adventitia stripping during anastomosis and arteriovenous shunt progression due to diabetic polyneuropathy could lead to low TcpO2 values in the ALT-FF owing to its thick fat tissues,which is supported by the slow recovery of the sympathetic tone following FF.Therefore,TcpO2 measurements in patients with DFU who underwent FF reconstruction may be less accurate than in those who did not.
文摘BACKGROUND Compared to earlier,there has been an increase in the tattoo procedures for cosmetic purposes;and there has also been an increase in the tattoo procedures performed by non-medical personnel.In South Korea,only tattoos performed by a doctor are considered legal;however,there is still some debate over whether tattoo procedures performed by non-healthcare providers should be considered legal.CASE SUMMARY A 28-year-old woman visited our hospital with pain in both nipples and heat sensation over the last 4 d.She had a history of a nipple tattoo performed by an unlicensed person.Pinpoint bleeding was noted in both areolar areas,and the exudate mixed with pus and orange color ink was discharged.Oral medication and tulle with foam dressing were performed under the impression of cellulitis and allergic reaction.After 4 wk,nipples remained dark brown in color,resulting in a color mismatch between the nipple and orange-colored areola.The size of the areola was also found to be distinctly asymmetrical after healing.This complication may have been caused by the use of illegal ink or unsanitary procedures,or a problem may have occurred in the post-tattoo management stage.CONCLUSION Doctors use approved ink,aseptic procedure and appropriate postoperative care,and appropriate management can be performed in case of complications.
