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A Pediatric Case of Mixed Acinar-Neuroendocrine Carcinoma.

Joong Kee YOUN ; Hyung Eun SON ; Sung Eun JUNG ; Hyun Young KIM

Journal of the Korean Association of Pediatric Surgeons.2016;22(1):14-17. doi:10.13029/jkaps.2016.22.1.14

Mixed acinar-neuroendocrine carcinoma (MANEC) is a malignant pancreatic tumor that rarely occurs in children. It is diagnosed pathologically according to the proportion of neuroendocrine cells present, highlighting the need for surgical biopsy. A 13-year-old boy presented with a 10-cm palpable mass on CT. Surgical resection was performed, and the pathological diagnosis was MANEC. There were no postoperative complications, and the patient was discharged from the hospital 10 days after surgery. He is presently undergoing adjuvant chemotherapy. We reviewed historical MANEC cases published in the English literature. We concluded that pathological analysis of a surgically resected specimen is necessary for an accurate diagnosis of MANEC, and that publication of more cases is needed to determine the optimal management strategy for MANEC.
Adolescent ; Biopsy ; Carcinoma, Acinar Cell ; Carcinoma, Neuroendocrine ; Chemotherapy, Adjuvant ; Child ; Diagnosis ; Humans ; Immunohistochemistry ; Male ; Neuroendocrine Cells ; Postoperative Complications ; Publications ; Surgical Procedures, Operative

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Risk Factors for Surgical Procedure on Ileo-Colic Intussusception in Children.

Sin Hwe KIM ; Soo Min JUNG ; Jong In LEE

Journal of the Korean Association of Pediatric Surgeons.2016;22(1):10-13. doi:10.13029/jkaps.2016.22.1.10

PURPOSE: The aim of this study was to analyze of the risk factors for surgical procedure on ileo-colic intussusception without leading point in children. METHODS: We retrospectively reviewed medical records of patient treated for ileo-colic intussusception between January 2003 and December 2014. We exclude the patients who had leading point. Because of the large difference on patient's numbers between non-operative group (cases of ileo-colic intussusceptions successfully reduced by air reduction) and operative group (cases underwent operation due to failed air reduction), we compared the data of operative group of patients without leading point between 2003 and 2014 with the data of non-operative group as control group from 2013 to 2014. Clinical features such as gender, age, body temperature, body weight in diagnosis, growth curves for age-gender-body weight, and laboratory data of blood test were compared. RESULTS: In non-operative group, total 94 patients who were treated successfully by the non-operative air reduction. In operative group, total 21 patients treated by surgical procedure. The age under 12 months, weight over upper 75 percentile group, increased segment neutrophil count, decreased hemoglobin level and lymphocyte count were significantly associated with a requirement for surgical procedure. CONCLUSION: We conclude that younger age, higher weight percentile group, increased segment neutrophil, decreased hemoglobin and lymphocyte are the independent risk factors related to operative treatment for ileo-colic intussusception in children. If primary air reduction is failed in patients with such risk factors, operative treatment over ultrasonography or secondary reduction can prevent unnecessary effort and complications, thus emphasizing the consideration of operative treatment when selecting treatment methods.
Body Temperature ; Body Weight ; Child* ; Diagnosis ; Hematologic Tests ; Humans ; Intussusception* ; Lymphocyte Count ; Lymphocytes ; Medical Records ; Neutrophils ; Retrospective Studies ; Risk Factors* ; Ultrasonography

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Prevalence and Significance of Immature Ganglion Cell in Hirschsprung's Disease.

Hee Beom YANG ; Hyun Young KIM ; Soo Hong KIM ; Sung Eun JUNG ; Kwi Won PARK

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):122-129. doi:10.13029/jkaps.2013.19.2.122

Immature ganglion cell (IGC) is known for its relationship with intestinal motility and its impact on postoperative functional outcomes of Hirschsprung's disease (HD). There are few studies on the relationship between intestinal dysmotility and IGC in HD patients. 67 patients pathologically diagnosed with HD and who received definitive operation in Seoul National University Children's Hospital from 2010 to 2011 were included. 10 patients were excluded due to inadequate immunohistochemical staining results. The proximal end of resected ganglionic segment was evaluated with immunohistochemistry examination with MAP-2, a marker of ganglionic cells and bcl-2, a marker of IGCs The median age at operation was 155 (15-4678) day-old. 55 (96.5%) patients positive for bcl-2, were regarded as having IGC, and 2 (3.5%) patients positive for MAP-2 but negative for bcl-2, were regarded as having only mature ganglion cells. In the bcl-2 positive group, there were 7 patients (12.7%) with constipation, 15 patients (27.3%) with soiling, 3 patients (5.5%) with perianal excoriation and 6 patients (10.9%) with medication use. In bcl-2 negative group, intestinal dysmotility was not seen. There was no statistical significance in the two groups. Considering that HD is diagnosed at a young age, the rate of IGC present is very high and it might be inappropriate to relate IGC to functional outcome at young ages.
Constipation ; Ganglion Cysts* ; Gastrointestinal Motility ; Hirschsprung Disease* ; Humans ; Immunohistochemistry ; Prevalence* ; Seoul ; Soil

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Risk Factors for Malignancy of Pheochromocytoma and Abdominal Paraganglioma in Children: Clinicopathologic Perspectives.

Jihoon CHANG ; Soo Hong KIM ; Hye Sook MIN ; Hyun Young KIM ; Sung Eun JUNG ; Kwi Won PARK ; Seong Cheol LEE

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):108-121. doi:10.13029/jkaps.2013.19.2.108

No abstract available.
Child* ; Humans ; Paraganglioma* ; Pheochromocytoma* ; Risk Factors*

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Surgical Treatment of Pancreatic Trauma in Children.

Jae Hyung CHO ; Hyun Young KIM ; Sung Eun JUNG ; Kwi Won PARK

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):98-107. doi:10.13029/jkaps.2013.19.2.98

Debates exist about the appropriate treatment for pancreatic trauma in children. We intended to examine the safety of the operation of pancreatic trauma in children. This is a retrospective study of 13 patients, younger than 15, who underwent surgery for pancreatic trauma, between 1993 and 2011 in Seoul National University Children's Hospital. Medical records were reviewed for mechanism of trauma, clinical characteristics, radiological findings, operation and outcomes. Organ injury scaling from the AAST (American Association for Surgery of Trauma) was used. All injuries were caused by blunt trauma. Patients with grade III, IV, and those who were difficult to distinguish grade II from IV, underwent surgery due to severe peritonitis. Three patients with grade II were operated for reasons of mesenteric bleeding, tumor rupture of the pancreas, and progression of peritonitis. Distal pancreatectomy was performed in 10 patients and subtotal pancreatectomy and pylorus preserving pancreaticoduodenectomy in 1 patient each. The remaining one underwent surgical debridement because of severe adhesions. The location of injury, before and after operation, coincided in 83.3%. The degree of injury, before and after the operation, was identical in all the patients except for those who were difficult to tell apart grade II from grade IV, and those cannot be graded due to severe adhesion. Postoperative complications occurred in 23.1%, which improved with conservative treatment. Patients were discharged at mean postoperative 12(range 8~42) days. Even though patients with complications took longer in time from diagnosis to operation, time of trauma to operation and hospital stay, this difference was not significant. In conclusion, When pancreatic duct injury is present, or patient shows deterioration of clinical manifestation without evidence of definite duct injury, or trauma is accompanied by other organ injury or tumor rupture, operative management is advisable, and we believe it is a safe and feasible method of treatment.
Child* ; Debridement ; Diagnosis ; Hemorrhage ; Humans ; Length of Stay ; Medical Records ; Pancreas ; Pancreatectomy ; Pancreatic Ducts ; Pancreaticoduodenectomy ; Peritonitis ; Postoperative Complications ; Pylorus ; Retrospective Studies ; Rupture ; Seoul

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Early Experiences of Single Incision Laparoscopic Surgery in Pediatrics in a Single Center.

Ra Yeong SONG ; Kyuwhan JUNG

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):90-97. doi:10.13029/jkaps.2013.19.2.90

Laparoscopic surgery has become popular in the past few decades, owing to less postoperative pain, fast recovery, and better cosmetic outcomes. The laparoscopic approach has been employed in pediatric surgery for the same reasons. After the first attempts of single incision laparoscopic appendectomy in pediatrics in 1998, single incision laparoscopic surgery (SILS) has recently been proven to be safe and feasible for the pediatric population. However, limitations have been reported for SILS, such as the wide learning curve, compared to standard laparoscopic surgery, and the restricted number of hospitals with surgical training programs including SILS. In this study, we intend to present our initial experiences with SILS in children, and to describe the technique, instruments used, and outcomes. This is a retrospective study of 71 pediatric patients who underwent SILS, at a tertiary medical center, between September, 2012 and August, 2013. Electronic medical records were reviewed for demographics, type of procedure, operation time, use of additional ports, conversion to open surgery, complications and hospital stay. Additional ports were inserted in 4 cases, for the purpose of traction. Postoperative complications were noted in 13 cases, which were mostly related to wound inflammation or formation of granulation tissue. According to our analyses, patients with complications had significantly longer use and more frequent use of pain killers. Notwithstanding the small sample size, many of the procedures performed in pediatric patients seem to be possible with SILS.
Appendectomy ; Child ; Conversion to Open Surgery ; Demography ; Education ; Electronic Health Records ; Granulation Tissue ; Humans ; Inflammation ; Laparoscopy* ; Learning Curve ; Length of Stay ; Pain, Postoperative ; Pediatrics* ; Postoperative Complications ; Retrospective Studies ; Sample Size ; Traction ; Wounds and Injuries

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Pediatric Inguinal Hernia Surgery 2,230 Cases Performed with Ketamine and Lidocaine.

Jong Soo JOO ; Hyun Ho JOO ; In Ho JOO

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):73-80. doi:10.13029/jkaps.2013.19.2.73

Ketamine is a safe and effective drug for pediatric anesthesia, sedation and analgesia. We hoped to identify that surgeons could operate a pediatric hernia with the ketamine anesthesia without general anesthesia. The study was a consecutive case series of 2230 inguinal hernia patients aged 1 months to 17 years in a Joo's day-surgical clinic during 11-year period. The patients had pediatric inguinal hernia surgery without general anesthesia under the day-surgery system. We retrospectively analyzed the medical record of patients who were registered with the Diagnosis Related Group (DRG) system. All patients received ketamine (5mg/kg) and atropine (0.01mg/kg) intramuscularly before surgery. After anesthesia, we injected 1~2% lidocaine (Less than 5ml) subcutaneously at the site of incision and started operation. The surgical method was the high ligation method of the hernia sac.) In total 2230 patients, male were 1756 and female were 474. 2076 patients were a unilateral inguinal hernia at the time of surgery and 154 were bilateral hernia patients. Less than three months, depending on the age of the patients was 391, and less than 12 months the patient was 592 people (26.5%). After surgery, there were no accidents or long term complications associated with ketamine anesthesia. We think the surgeon can safely do the pediatric inguinal hernia surgery using ketamine and lidocaine without anesthesiologist through 11 years of our surgical experiences.
Analgesia ; Anesthesia ; Anesthesia, General ; Atropine ; Child ; Diagnosis ; Female ; Hernia ; Hernia, Inguinal* ; Hope ; Humans ; Ketamine* ; Lidocaine* ; Ligation ; Male ; Medical Records ; Retrospective Studies

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Laparoscopic Surgery for Intussusception in Children.

Doo Hwan YOON ; So Hyun NAM

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):66-72. doi:10.13029/jkaps.2013.19.2.66

Intussusception is common cause of intestinal obstruction in children. Most of intussusceptions can be treated with non-operative reduction using air or barium. However, about 10% patients need operative treatment due to failure of reduction, peritonitis, and recurrence after reduction. We introduce our experience of laparoscopic surgery for intussusception. From April 2010 to March 2013, we reviewed 57 children who diagnosed intussusception. Twelve patients underwent an operation. The cause of operation was 7 of failure of air reduction and 5 of recurrence after air reduction. Median age was 21.5 months (range: 5.0~57.7 months) and 11 children (91.7%) underwent successful laparoscopic reduction. Median operating time was 50 minutes (range: 30~20 minutes) and median hospital days was 4.5 days (range: 3~8 days). One patient had a leading point as a heterotopic pancreas and underwent bowel resection through conversion. There was neither intra-operative nor postoperative complication. Laparoscopic reduction for intussusception can bring an excellent cosmetic effect with high success rate.
Barium ; Child* ; Humans ; Intestinal Obstruction ; Intussusception* ; Laparoscopy* ; Pancreas ; Peritonitis ; Postoperative Complications ; Recurrence

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Usefulness of Preoperative Computed Tomography in Children with Clinically Suspected Appendicitis.

Si Youl JUN

Journal of the Korean Association of Pediatric Surgeons.2013;19(2):57-65. doi:10.13029/jkaps.2013.19.2.57

The entity of negative appendectomies still poses a dilemma in chlidren. Focused computed tomography (CT) scanning has become the diagnostic test of choice in many hospitals. However, the impact of CT scans on the diagnosis in children is unknown exactly. The purpose of this study was to critically evaluate CT scans for the evaluation of acute appendicitis in children, to review utilization of this diagnostic test in our appendicitis population and to determine if diagnostic accuracy has improved. A retrospective analysis of efficacy of CT scan for diagnosis of appendicitis in children was conducted. Children undergoing appendectomy for acute appendicitis were reviewed from 2007 to 2012. Perforation and negative appendectomy (removal of a normal appendix) rates were determined by the final pathologic report. Statistical comparison were made using the chi2 test and significance was assigned at p < 0.05. Five hundred four appendectomies were performed. Mean age was 10.1 +/- 3.21 years, and 62.7% were boys. Overall, 308 children (61.1%) underwent CT scanning, 100 (19.8%) had US performed, and 97 (19.2%) had no radiographic study. A pathologically normal appendix was removed in 8.7% (27 of 308) of CT patients, 9.0% (9 of 100) of US patients, and 11.3% (11 of 97) of patients without a study. The frequency of CT scanning increased from 29.7% (27 of 91) of all children in 2007 to 75.6% (59 of 78) in 2012, whereas utilization of US decreased from 30.8% (28 of 91) to 11.5% (9 of 78). During this time period the difference in the negative appendectomy rate did change significantly from 14% to 6%. Liberal use of CT scans in diagnosing appendicitis in children has resulted in a decreased negative appendectomy rate.
Appendectomy ; Appendicitis* ; Appendix ; Child* ; Diagnosis ; Diagnostic Tests, Routine ; Humans ; Retrospective Studies ; Tomography, X-Ray Computed

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Solid and Papillary Epithelial Neoplasm of the Pancreas in a Child: A case Report.

Chang Won JEON ; Chang Seok OH ; Yun Soo YANG ; Chang Rock CHOI ; Young Taek LEE ; Jong Sool IHM ; Hyun I SON

Journal of the Korean Association of Pediatric Surgeons.2005;11(1):46-52.

Solid and papillary epithelial neoplasm (SPEN) of the pancreas is a rare tumor with low malignant potentiality that usually occurs in young females. Preoperative evaluation, especially radiologic tests, including ultrasonography and CT scan, is helpful in the diagnosis. These studies demonstrate a well-demarcated large mass with solid and cystic portions, frequently in the tail or body of the pancreas. Complete resection is usually curative, however local invasion and/or metastasis may occur. The authors report a case of a solid and papillary epithelial neoplasm of the pancreatic body in a 14-year old child at St. Benedict Hospital and review the literature.
Adolescent ; Child* ; Diagnosis ; Female ; Humans ; Neoplasm Metastasis ; Neoplasms, Glandular and Epithelial* ; Pancreas* ; Tomography, X-Ray Computed ; Ultrasonography

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