Mauricio A. Escobar

An alternative to open incision and drainage for community-acquired soft tissue abscesses in children

BACKGROUND The continually rising incidence of soft tissue abscesses in children has prompted us to seek an alternative to the traditional open incision and drainage (I&D) that would minimize the pain associated with packing during dressing changes and eliminate the need for home nursing care. STUDY DESIGN A retrospective review of all patients with soft tissue abscesses from November 2007 to June 2008 was conducted after institutional review board approval. Patients who were treated with open I&D were compared to those treated with placement of subcutaneous drains through the abscess cavities. Both groups received equivalent antibiotic treatment, and all patients were followed in outpatient clinics until infection resolved. The demographics, presenting temperature, culture results, and outcomes were compared between these 2 groups. RESULTS A total of 219 patients were identified; 134 of them underwent open I&D, whereas 85 were treated with subcutaneous drains. The demographics, anatomical location of the abscesses, and bacteriology were comparable between the 2 groups. There were equal number of patients in each group who presented with fever initially. Of those treated with open I&D, 4 had metachronous recurring abscesses within the same anatomical region and 1 patient required an additional procedure because of incomplete drainage. There were no recurrences or incomplete drainages in the subcutaneous drain group. The cosmetic appearance of the healed wound from subcutaneous drain placement during the immediate follow-up period is better than that of an open I&D. CONCLUSIONS Placement of a subcutaneous drain for community-acquired soft tissue abscesses in children is a safe and equally effective alternative to the traditional I&D.

Fetus-in-fetu : report of a case and a review of the literature

A 2-week-old girl was found to have an asymptomatic abdominal mass on routine examination. Surgical removal revealed the mass to have 4 limb buds situated relative to a palpable vertebral column. Karyotyping revealed the mass to be 46 XX. The mass was therefore diagnosed as a case of fetus-in-fetu. The literature on this rare entity is reviewed, and the diagnosis and pathogenesis of the disease are discussed.

Outcome Differences Between Gastroschisis Repair Methods

BACKGROUND Gastroschisis is a congenital abdominal wall defect that is repaired with either a primary closure or staged closure. The outcome of these infants may differ because of different closure techniques. In addition to the usual markers of parenteral nutrition (PN) use and length of stay (LOS) as outcome measures, we examined the duration of postoperative acidosis and positive fluid balance as markers for postoperative stress associated with these two techniques. METHODS A retrospective review of newborns with gastroschisis was conducted at a free-standing childrens hospital from 2002 to 2008. The demographic data, gestational age, birth weight, operative reports, days on PN, LOS, duration of postoperative acidosis and fluid balances were reviewed. Data were analyzed using the Fishers exact test or unpaired t test. RESULTS Thirty-two infants with gastroschisis were identified. One was excluded from analysis due to incomplete follow-up. The patients were classified as either primary closure (n = 8) or staged repair (n = 23). There was one death in our series. Patients who underwent primary closure had significantly older gestational age and higher birth weight. Primary closure is associated with significantly less duration of postoperative metabolic acidosis and fewer days with positive fluid balance. Patients who had primary repair also had less parenteral nutrition use and shorter length of hospitalization, though not statistically significant. Gastroschisis with associated intestinal atresia was more likely to be repaired with staged closures. CONCLUSIONS There are physiologic advantages to primary repair of gastroschisis that can lead to better outcome, but the indications for the choices of closure technique remain unclear. Primary closure should be used when possible.

Early experience with the use of rhomboid excision and Limberg flap in 16 adolescents with pilonidal disease

BACKGROUND Rhomboid excision with Limberg flap (RELF) repair has been shown to be effective in the management of pilonidal disease (PD) in adults. Wide excision allows complete removal of diseased tissue, and the rotational flap allows tensionless coverage as well as helps flatten the natal crease, which is believed to contribute to the recurrence of PD. METHODS This study is a retrospective review of all adolescents who underwent excision of pilonidal disease using RELF at a single institution for a period of 18 months. RESULTS Sixteen adolescents with PD were treated with RELF during this period. All procedures were completed with no intraoperative complications. Mean operative time and hospital stay were 92 +/- 30 minutes and 1.8 +/- 0.29 days, respectively. Mean follow-up was 11 +/- 6.0 months. One patient had recurrence of his disease, and one needed prolonged wound care after wound breakdown. Six others had minor complications including 4 patients (25%) who had superficial wound separation that resolved promptly with dressing change. One patient had a superficial wound infection. One patient had residual pain. CONCLUSION Rhomboid excision with Limberg flap is effective in the management of PD in adolescents. The 6% recurrence rate is similar to that reported in the adult literature. Despite the limitations of this study, the low morbidity, hospital stay, and recurrence rate noted with our initial experience are very encouraging.

Laparoscopic excision of a newborn rectal duplication cyst

Congenital rectal duplication cyst is a rare entity treated with surgical excision. Without treatment, a rectal duplication cyst may cause a variety of complications, most notably, transforming into a malignancy. We report on a 7-week-old girl who was found to have a rectal duplication cyst. The rectal duplication cyst was successfully excised laparoscopically. Rectal duplication cysts are rare alimentary tract anomalies generally discovered during childhood. Complications include symptoms arising from the cyst and the possibility of malignant degeneration. They are typically managed by surgical excision.

Risk of Ventriculoperitoneal Shunt Infections After Laparoscopic Placement of Chait Trapdoor™ Cecostomy Catheters in Children

INTRODUCTION Laparoscopic placement of Chait Trapdoor (Cook, Bloomington, IN) cecosotomy catheters has been practiced in our institution since 1999. Chait cecostomy catheters allow antegrade irrigation of the colon without the complications associated with appendicostomies. Although the use of laparoscopy allows precise placement of these catheters into the cecum under direct vision, the presence of a concomitant ventriculoperitoneal (VP) shunt raises concerns for the potential for a shunt infection. MATERIALS AND METHODS This is a retrospective review of all patients with VP shunts who underwent laparoscopic placement of a Chait cecostomy catheter from 1999 to 2008. We recorded patient demographics, indication for VP shunt placement, the date of the most recent shunt operation, the method of cecal fixation, follow-up duration, and episodes of shunt infection. RESULTS Sixteen patients with spina bifida and VP shunts who underwent laparoscopic placement of a Chait cecostomy catheter were identified. There were 12 males. Mean follow-up was 46 +/- 27 months (range, 3-87). Two patients (12.5%) developed a VP shunt infection related to the placement of their cecostomy catheter. One shunt infection occurred 5 days postoperatively and the other occurred several years later, when the shunt and cecostomy catheter tracts merged in the subcutaneous tissue. Both patients underwent shunt externalization. CONCLUSIONS Cecostomy catheter placement in patients with preexisting VP shunts may increase the risk of shunt infections. Our series illustrates two different mechanisms by which a VP shunt can become infected after this procedure. In the first case, leakage of enteric content from a poorly sealed tract probably resulted in the shunt infection. More secure fixation of the cecum to the abdominal wall, using intracorporeal sutures rather than T-fasteners, may avoid this complication. The second complication could have been avoided if the cecostomy catheter had been placed further away from the VP shunt.

Stapled tapering coloplasty to manage colon interposition graft redundancy for long gap esophageal atresia

Long gap esophageal atresia continues to be a therapeutic challenge for the pediatric surgeon. Although numerous methods have been described to achieve esophageal continuity in infants with esophageal atresia, esophageal replacement is often required if these methods fail. A common method of esophageal replacement in children is the use of a colon graft. Complications include cervical anastomotic leak, stricture, redundant intrathoracic colon with stasis, and cologastric reflux. We present an 11-year-old male with swallowing difficulties because of redundancy of the colon after undergoing colon interposition for long gap atresia. The patient underwent a successful transhiatal mobilization of the intrathoracic colon and stapled tapering coloplasty. The patient currently remains symptom-free.

Solid pseudopapillary tumour (Frantz’s tumour) of the pancreas in childhood

An 11-year-old girl presented with acute pancreatitis and mass in the head of the pancreas. MRI revealed a heterogeneous right-upper quadrant retroperitoneal mass measuring 6.8×6.1×5.5 cm arising from the pancreatic head. Endoscopic ultrasound with fine-needle aspirate revealed a solid pseudopapillary tumour (SPT) of the pancreas. The patient underwent a pylorus-preserving Whipple procedure. Pathology confirmed SPT. First described by Frantz, SPT represents less than 3% of all exocrine tumours. It is especially rare in children and shows different clinical features compared with adults. In our patient, tumour cells were arranged at the periphery of fibrovascular cores, but they did not show definite gland formation, keratinisation or cytoplasmic pigment accumulation. A periodic acid-Schiff stain without diastase did not show appreciable glycogen within the tumour cells, classic for Frantz’s tumour. The literature, diagnosis, management and pathogenesis on this rare entity in children are reviewed and discussed.

Laparoscopic resection of an intradiaphragmatic pulmonary sequestration: A case report and review of the literature

Extralobar pulmonary sequestrations have been occasionally described in the abdomen but rarely in the diaphragm. We present the case of a 10 month old girl with an intradiaphragmatic pulmonary sequestration. The minimally invasive operative technique is outlined in detail, including the combine use of laparoscopy and thoracoscopy. The case is discussed and the literature is reviewed.

Congenital bilateral absence of the vas deferens

A 10-year-old boy with cystic fibrosis (CF) (DeltaF508/G551D mutation) underwent an uneventful elective interval laparoscopic appendectomy. During routine laparoscopic inspection of the abdomen and groins, congenital bilateral absence of the vas deferens was noted. Pictures of the patients internal inguinal ring noted at time of laparoscopy are presented and compared with a similar-aged patients internal ring with a normal vas deferens. The genetics of CF patients associated with congenital bilateral absence of the vas deferens is reviewed. The pediatric or general surgeon performing a herniorrhaphy should be aware of this anomaly in CF patients.