Purpose: The Rectus abdominis muscle free flap is utilized in various reconstruction surgeries due to easiness in harvesting, consistency of vascular pedicle and reduced donor site morbidity. But rarely, femoral nerve injury during rectus abdominis harvesting can be resulted. We report a case of femoral nerve injury after rectus muscle harvesting and discuss the injury mechanism with the follow-up process of this injury. Methods: To reconstruct the defect of middle cranial base after wide excision of cystic adenocarcinoma of the external ear, rectus muscle free flap was havested in usual manner. To achieve a long vessel, inferior epigastric artery was dissected to the dividing portion of femoral artery and cut. Results: One week after the surgery, the patient noted sensory decrease in the lower leg, weakness in muscle strength, and disabilities in extension of the knee joint resulting in immobilization. EMG and NCV results showed no response on stimulation of the femoral nerve of the left leg, due to the defects in femoral nerve superior to the inguinal ligament. With routine neurologic evaluations and physical therapy, on the 75th day after the operation, the patient showed improvement in pain, sensation and muscle strength, and was able to move with walking frame. In 6 months after the operation, recovery of the muscle strength of the knee joint was observed with normal flexion and extension movements. Conclusion: Rarely, during dissection of the inferior epigastric artery, injuries to the femoral nerve can be resulted, probably due to excessive traction or pressure from the blade of the traction device. Therefore, femoral nerve injury can be prevented by avoiding excessive traction during surgery.
The cutaneous microcirculation plays a role in various physiological processes and pathological conditions. Two non-invasive methods were used in this study to obtain reference values for cutaneous microcirculation in intact male beagles. Twenty intact male beagles were used. The experimental environments were standardized. Laser Doppler flowmetry was used to measure cutaneous blood flow, and an infrared thermometer was used to measure cutaneous temperature. The blood flow and temperature were measured from the right side of the subjects at 20 cutaneous sites. Based on the laser Doppler flowmetry, the region with the highest blood flow was the periocular region that with the lowest was the forelimb foot pad. In addition, the standard deviation of the chest wall was the highest while that of the periocular region was the lowest. For skin temperature, the inguinal region had the highest mean skin temperature and the forelimb foot pad had the lowest. The correlation coefficient between the two methods was 0.72. Similar to a previous study, the values derived from repeated measurements at the 20 regions are reproducible and can contribute to research. Compared to the results of a previous study, the temperatures of the two smallest skin regions were the same; however, no specific trend was observed. The correlation coefficient between the two methods was significantly comparable, and this good correlation can reduce their limitations and variables complementarily. In addition to possible use in human studies, accumulated resources on measurements of skin blood flow in the future will potentiate its use in the veterinary medicine field.
Background: Cryosurgery was recently introduced as a treatment for varicose veins in the lower extremities. Cryosurgery with freezing probes can be used to remove the great saphenous vein (GSV) via an inguinal incision alone. The aim of this study was to assess early outcomes and the feasibility of cryosurgery for varicose veins. Materials and Methods: Forty patients were enrolled in the present study from March 2009 to July 2010. All patients underwent careful physical examinations, and their GSV reflux was demonstrated by duplex ultrasonography. Clinical severity was measured according to the clinical-etiology-anatomy-pathophysiology (CEAP) classification. The impaired GSVs were removed with rigid cryoprobes after freezing. Patients had follow-up appointments at 1 week, 1 month, 3 months, and 6 months after surgery. Sclerotherapy was performed during follow-up on an outpatient basis as needed. Results: A total of 19 men and 21 women were enrolled. The mean follow-up duration was 3.4 months (range, 1 to 12 months). The clinical severity ranged from CEAP 2 to CEAP 6a. Thirty-eight patients underwent concomitant phlebectomy during surgery. No recurrences were reported during follow-up. There were three cases of minor complications. Two patients had paresthesia, and one had thrombophlebitis. Conclusion: Using cryosurgery techniques to treat varicose veins, the complication rates were minimal and outcomes were comparable to those of previous reports. This procedure is a safe and feasible treatment modality for varicose veins.
Objective: This observational study was to identify risk factors for vulvar cancer recurrence. Materials and Methods: In the study 107 patients with primary vulvar cancer were analyzed. Surgical treatment consisted of radical excision of the primary tumor in combination with unilateral or bilateral superficial and deep inguinofemoral lymphadenectomy through separate incisions. Patients with deeper tumor invasion >1 mm or wider than 2 cm and/or groin lymphnode metastases were referred for adjuvant radiotherapy. Those with large privary vulvar tumors received neoadjuvant radiotherapy of 30Gy followed by surgical treatment and adjuvant radiotherapy. Results: Most of patients had only primary radiotherapy to the vulva and inguinal lymph nodes and only 34.5% of patients were eligible for surgical treatment. In 5 year follow-up period 25.2% (27) patients were alive without the disease, 15.0% (16) were alive with the disease and 59.8% (64) were dead. 60.7% (65) patients experienced local recurrence and 2.8% (3) patients had distant metastases. Median survival for patients without recurrent disease was $38.9{\pm}3.2$ months and $36.0{\pm}2.6$ months with no statistically significant difference. Patients with early stage vulvar cancer had longer mean survival rates-for stage I $53.1{\pm}3.4$ months, $38.4{\pm}4.4$ months for stage II and $33.4{\pm}2.6$ and $15.6{\pm}5.2$ months for patients with stage III and stage IV vulvar cancer, respectively. The only signifficant prognostic factor predicting vulvar cancer recurrence was involvement of the midline. Conclusions: Patients having midline involvement of vulvar cancer has lower recurrence risk, probably because of receiving more aggressive treatment. There is a tendency for lower vulvar cancer recurrence risk for patients over 70 years of age and patients who are receiving radiotherapy as an only treatment without surgery, but tendency for higher risk of recurrence in patients with multifocal vulvar cancer.
Seo, Jung-Min;Kim, Sang-Chan;Hwang, Sun-Yi;Hwang, Bo-Min;Jee, Seon Young;Lee, Sang-Gon;Baek, Jung-Han
The Journal of Pediatrics of Korean Medicine
/
v.20
no.1
/
pp.1-14
/
2006
Objective : As prevalence of atopic dermatitis(AD) rises and medicine of atopic dematitis develops, the methods of measurement for atopic dermatitis have developed. Therefore, we aimed to establish a new sconring system in oriental medicine for a childhood atopic dematitis, by comparison, analysis of various sconing systems. Method : We searched for the data related to severity sconing systems of atopic dermatitis in Entrez PubMed on abroad thesis and KISS(Korenstdued Information Service System) on domestic thesis from 1990 to 2005. Result : Severity sconing systems for atopic dermatitis satisfy validity, reliability, sensitivity of change and verification of this. The essential items of severity sconing systems are extent, intensity and subjective symptoms. The lesion is divided into 9 areas(head and neck, upper limbs, elbow, hands, trunk, hip and inguinal, lower limbs, knee, feet). The items of intensity are erythema, oedema and induration and papulation, oozing and weeping and erosion, excorition, scaling, lichenification. The subjective symptom is pruritis, evaluated according to sleep loss and obstruction of play and study. The extent and intensity is evaluated in combination. We suggested that extent and intensity occupied for 70% and subject symptoms accounted for 30% of total score.
Among the 63 patients with histopathologically proven primary squamous cell anal cancer who were managed in Presbyterian Medical Center and Yonsei University Cancer from Jan. 1971 to Dec. 1991, 34 patients, who were managed with surgery alone(abdominoperineal resection) or post-operative radiotherapy and concurrent chemoradiotherapy were analysed. With mean follow up time of 81.3 months, 30 Patients(88$ \% $) were followed up from 17 to 243 months. In methods, 10 patients were treated with surgery alone. 9 Patients were treated with combined surgery and postoperative radiotherapy(50$\∼$60 Gy in 28$\∼$30 fractions). 15 patients were treated with concurrent chemoradiotherapy. Chemotherapy (Mitomycin C 15 mg/squ, bolus injection day 1;5-FU, 750 mg/squ, 24hr infusion, day 1 to 5) and radiotherapy started the same day. A dose of 30 Gy was given to the tumor and to the pelvis including inguinal nodes, in 15 fractions. After 2 weeks a boost of radiotherapy(20 Gy) to the ano-perineal area and second cycle of chemotherapy completed the treatment. The overall 5-year survival rate was 56.2$ \% $. Concurrent chemoradiotherapy group was 70$ \% $ and surgery alone group was 16.7$ \% $. According to the cox proportional harzard model, there was significant difference between survival with concurrent chemoradiotherapy and surgery alone(p=0.0129), but post-operative radiotherapy was 64.8$ \% $, which was not stastically significant(p=0.1412). In concurrent chemoradiotherapy group, the anal funtion Preservation rate was 87$ \% $ and the severe complication rate(grade 3 stenosis and incontinence) was 13.3$ \% $. In conclusion, we conclude that the concurrent chemoradiotherapy may be effective treatment modality in patients with anal cancer.
A five-year-old, castrated male, Pung-san dog was referred to Konkuk University Veterinary Teaching Hospital with trauma and persistent hemorrhage in the inguinal region. The dog had a history of being wounded by a wild boar at 5 days prior to presentation. Rupture of the membranous urethra and urethrocutaneous fistula were demonstrated by the retrograde positive contrast urethrography. A urinary catheter was placed to identify the urethra and urethrocutaneous fistula. The necrotic tissues and damaged tissues by urine leakage around urethrocutaneous fistula were debrided. An urethral anastomosis over an indwelling catheter was performed. The dog maintained normal urination without other complications including dysuria and hematouria at the follow-up evaluation after 1 month postoperatively. A retrograde urethrogram repeated at 2 months after surgery showed no urethral stricture.
The detection of lymph node metastasis is an important step in tumor staging and is significant for therapy planning. It has been challenged to yield an appropriate image with diagnostic methods such as Magnetic Resonance (MR) and Computed Tomography (CT). Though CT has been used widely and accessed easily to show internal organs, it can hardly provide difference between lymph node and adjacent vessel or fat tissue. It has been well established that MR can reveal the subtle discrepancy within soft tissue. This study investigated the suitability of MR lymph node imaging without contrast enhancement by comparison of T1-weighted image (T1WI) and T2- weighted image (T2WI) in ten normal rabbits. According to the pulse sequence optimized from preliminary study, T1-weighted spin-echo (repetition time/echo time=400/12 ms) and T-2 weighted fast spin-echo (repetition time/echo time=3500/84 ms) images covering the hind limbs and pelvic region were acquired at 1.5 T. Two radiologists scrupulously evaluated the MR images in consensus. And signal intensity of lymph nodes was compared with that of adjacent fat. Statistical analysis showed that T1-weighted coronal image visualized the lymph nodes (iliac, superficial inguinal and popliteal lymph nodes) quickly and consistently rather than T2-weighted one. Conclusively, T1WI for evaluation of lymph nodes is moderately better than T2WI and appears to have potential for quick and sufficient mapping of the lymph nodes. In addition, this normal MR image of lymph nodes could be applied to further study for the evaluation of lymphatic system in abscess and tumor bearing animal model.
Sohn, Jee Hyung;Kim, Jong In;Jeon, Yong Geun;Park, Jeu;Kim, Jae Bum
Molecules and Cells
/
v.41
no.10
/
pp.900-908
/
2018
Insulin resistance is closely associated with metabolic diseases such as type 2 diabetes, dyslipidemia, hypertension and atherosclerosis. Thiazolidinediones (TZDs) have been developed to ameliorate insulin resistance by activation of peroxisome proliferator-activated receptor (PPAR) ${\gamma}$. Although TZDs are synthetic ligands for $PPAR{\gamma}$, metabolic outcomes of each TZD are different. Moreover, there are lack of head-to-head comparative studies among TZDs in the aspect of metabolic outcomes. In this study, we analyzed the effects of three TZDs, including lobeglitazone (Lobe), rosiglitazone (Rosi), and pioglitazone (Pio) on metabolic and thermogenic regulation. In adipocytes, Lobe more potently stimulated adipogenesis and insulin-dependent glucose uptake than Rosi and Pio. In the presence of pro-inflammatory stimuli, Lobe efficiently suppressed expressions of pro-inflammatory genes in macrophages and adipocytes. In obese and diabetic db/db mice, Lobe effectively promoted insulin-stimulated glucose uptake and suppressed pro-inflammatory responses in epididymal white adipose tissue (EAT), leading to improve glucose intolerance. Compared to other two TZDs, Lobe enhanced beige adipocyte formation and thermogenic gene expression in inguinal white adipose tissue (IAT) of lean mice, which would be attributable to cold-induced thermogenesis. Collectively, these comparison data suggest that Lobe could relieve insulin resistance and enhance thermogenesis at low-concentration conditions where Rosi and Pio are less effective.
Objectives : Vocal fold augmentation using injectable material is an easy and simple operation. This study is to evaluate the histology of minced and injected autologous auricular cartilage and fat graft in the augmentation of unilateral vocal fold paralysis using a canine model for two years. Study Design : A prospective study with the contralateral side of the larynx used as the control Methods : Twelve dogs were operated. At first, a piece of auricular cartilage was harvested from ear and minced into tiny chips with a scalpel and scissors. And also, a piece of fat tissue was harvested from inguinal area and minced into tiny chips with a scalpel and scissors. The minced cartilage and fat-paste (0.2ml) was injected using a pressure syringe into the paralyzed thyroarytenoid muscle under direct laryngoscopy. Two animals were sacrificed at 3 days, three at 3 weeks. two at 3 months. one at 6 months, one at 12 months, three at 24 months. Each dog underwent laryngectomy and serial coronal sections of paraffin blocks from the posterior part of the vocal fold were made. Result : There was no significant complication perioperatively and during follow-up. There was acute inflammatory findings in the graft at 3 days and 3 weeks. Only a very small proportion of the injected cartilage was absorbed due to the degenerative change and the overall volume was preserved even when the cells died out. The injected cartilage remained in the larynx until 24 months. Conclusion : The autologous cartilage implant using auricular cartilage was the ideal vocal cord augmentative material for the treatment of glottic incompetence.
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