Introduction:Button batteries represent a low percentage of all foreign bodies swallowed by children and esophageal location is even less frequent. However, these cases are more likely to develop severe injuries. The aim of this essay is to report three cases treated in our institution and review previous reports.Material and Methods:Chart review and literature search.Case Reports:We treated three children between 2-7- years old with button batteries lodged at esophagus. They all presented esophageal burns (EB), which evolved in esophageal stenosis in two out of the three cases.Results:We found 29 more cases in literature and the injuries included EB, esophageal perforation (EP) and tracheoesophageal fistula (TEF).Discussion:Swallowed button batteries rarely remain in esophagus, but these cases present a higher risk of tisular damage. Injuries can take place even after few hours; and therefore, endoscopy must be performed as soon as possible. Further study on button batteries’ safety and the establishment of a maximum size for them would be good preventive measures.

Fistulae between esophagus and major arteries are an extremely rare and severe condition. They have been described in patients with previous impairment or abnormalities of mediastinal vessels and intraesophageal increased pressure or as a complication of cardiovascular procedures. We report three cases of children with an aorto-esophageal fistula, a collateral pulmonary artery-esophageal fistula and an aberrant right subclavian artery-esophageal fistula that were successfully managed in coordination with pediatricians, anesthesiologists and both cardiovascular and pediatric surgeons. The severity of this pathology makes it important to suspect it and treat it by a multidisciplinary group of physicians.

BackgroundThe survival rate of newborns with severe congenital abdominal wall defects has increased. After successfully addressing life-threatening complications, it is necessary to focus on the cosmetic and functional outcomes of the abdominal wall.MethodsWe performed a chart review of five cases treated in our institution.ResultsFive patients, ranging from seven to 18 years of age, underwent the following surgical approaches: simple approximation of the rectus abdominis fascia, the rectus abdominis sheath turnover flap, the placement of submuscular tissue expanders, mesh repair, or a combination of these techniques depending on the characteristics of each individual case.ConclusionsPatients with severe congenital abdominal wall defects require individualized surgical treatment to address both the aesthetic and functional issues related to the sequelae of their defects.

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A histochemical and morphometric study of the cranial tibial muscle of the greyhound, the German shephard and the fox terrier was carried out using hematoxyline‐eosin, PAS, Gomori trichrome, SDH, LDH, NADH‐tr and ATPase staining (with pH adjustments to both acidic and basic levels), with the goal of comparing the proportion and distribution of type I and type II fibers within the muscle. Significant differences were found between the three breeds of dogs. It is suggested that these differences are related to the locomotor activities of the three breeds.

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