Parastomal Gallbladder Herniation as an Incidental Preoperative Computed Tomography Finding.

A 65-year-old woman with a long surgical history was referred to our hospital's Colorectal Unit for ileostomy management. The patient retained an ileostomy for almost a decade after a series of complicated operations she had undergone, which had several side effects such as electrolyte imbalances, high output, weight loss, and a parastomal hernia. Our hospital's colorectal surgeon proposed to replace the ileostomy with a permanent sigmoidostomy and asked for an imaging evaluation of the parastomal hernia content before the surgery.

Professor William Macewen (1848-1924): The Scottish Pioneer of Surgery.

Professor William Macewen (1848-1924) is one of the most important figures in world's surgery during 18th and early 19th century. He managed to provide numerous innovative techniques and instruments in various fields of surgery such as general surgery, orthopedic surgery, neurosurgery, and thoracic surgery. His innovations had a great impact after his time and constituted the fundaments for further surgical developments.

Carl Ferdinand von Arlt, Ritter von Bergschmidt (1812-1887): A Pioneer in Ophthalmology.

Carl Ferdinand von Arlt, Ritter von Bergschmidt (1812-1887) was a pioneer in ophthalmology. The purpose of our paper is to highlight his scientific work. He did not only introduce new surgical techniques and invent new instruments in ocular surgery, but also influenced the development of ophthalmology in the 19th century.

Adrianus Spigelius' (1578 - 1625) Ocular Anatomy.

The aim was to study Adriaan van den Spiegel's ideas on ocular anatomy. He is better known by his Latinized name as Adrianus Spigelius (1578 - 1625). He was a Flemish physician and anatomist who lived and worked in Padua, where in 1605 he was elected to be Professor of Anatomy and Surgery.

Drugs for mental illnesses in ancient greek medicine.

Drugs with psychedelic, hypnotic, narcotic, analgesic, suppressive, euphoric and stimulating effects were used in various ways during the ancient times. We can classify drug use in ancient times into two main categories. On the one hand, ancient physicians prescribed drugs based on their pharmaceutical-therapeutic actions.

Philip Henry Mules (1843-1905) and his innovations in ocular surgery.

Introduction: The aim of the present study is to present an historical overview of the innovations in ocular surgery introduced by the very important surgeon, but mainly unknown, Philip Henry Mules (1843-1905).

Methods: Philip Henry Mules introduced the Mules' evisceration operation and the Mules' ptosis operation. He also invented surgical instruments such as Mules' scoop, Mules' repository, and Mules' enucleation scissors.

Secondary extramedullary plasmacytoma of sigmoid colon in a patient with multiple myeloma: a case report.

Background: Extramedullary plasmacytoma is an uncommon tumor that most often involves the nasopharynx or upper respiratory tract. Extramedullary plasmacytoma is a type of plasma cell neoplasm that can present as a primary tumor or secondary to another plasma cell neoplasm, such as multiple myeloma. Secondary extramedullary plasmacytoma is usually noted in the advanced stages of the disease.

Eugène Louis Doyen (1859-1916): The Reformer of French Surgery.

Eugène Louis Doyen (1859-1916) is considered as the reformer of French surgery at the end of 19th and early 20th century. Although he had a short life, dying at the age of 57, he left his mark in the history of French medicine and especially surgery, not only because he introduced many new medical instruments but also for his innovative idea to introduce cinematography in surgical education, which is crucial until today in the education of every surgeon in the world.

When perforation is not the culprit : case report and systematic review of mechanical small-bowel obstruction complicating colonoscopy.

Colonoscopy is generally safe, although expansion of colorectal cancer prevention programs is likely to increase the number of post-colonoscopy complications. We report the case of a 42-year old woman with a prior history of 2 cesarean section deliveries who developed abdominal pain after an otherwise uneventful screening colonoscopy. Urgent exploration revealed closed-loop obstruction involving the terminal ileum, caused by an adhesive band close to the site of her previous Pfannenstiel incision.

Neuroendocrine breast carcinoma metastatic to the liver: Report of a case and review of the literature.

Introduction: Primary neuroendocrine breast carcinoma (NEBC) is a rare entity of breast cancer.

Presentation Of Case: We herein report a case of right hepatectomy for a NEBC liver metastasis.

Discussion: Little is known about its evolution, bilologic behavior and optimal treatment.

Modeling max-of-N fluence distribution using measured shot-to-shot beam contrast.

We have found the local temporal shot-to-shot variation of the NIF high-energy laser system to be relatively constant (~3.4% to 4.2% of the mean fluence).

Predicting laser-induced bulk damage and conditioning for deuterated potassium dihydrogen phosphate crystals using an absorption distribution model.

We present an empirical model that describes the experimentally observed laser-induced bulk damage and conditioning behavior in deuterated potassium dihydrogen phosphate (DKDP) crystals. The model expands on an existing nanoabsorber precursor model and the multistep absorption mechanism to include two populations of absorbing defects, one with linear absorption and another with nonlinear absorption. We show that this model connects previously uncorrelated small-beam damage initiation probability data to large-beam damage density measurements over a range of nanosecond pulse widths.

Giant fibrovascular polyp of the esophagus - imaging techniques can localize, preoperatively, the origin of the stalk and designate the way of surgical approach: a case report.

Fibrovascular polyps of the esophagus are rare benign lesions that arise from the cervical esophagus and can reach very big size before they become symptomatic. Surgical excision is the treatment of choice, since endoscopic removal is not always feasible.We present this case in order to emphasize the significance of localizing, preoperatively, the exact origin of the pedicle in planning the way of surgical approach.

Esophagectomy without thoracotomy: 25 years of experience over 750 patients.

Objective: This study aimed to review and evaluate our experience in 750 patients, who underwent transhiatal esophagectomy (THE) and analyze our data. Special attention was paid to some strategies, which we developed in the course of time, regarding the postoperative management of these patients and formulation of improved guidelines.

Patients And Methods: This is a retrospective analysis of all THE operations performed between January 1981 until May 2007 in 750 patients: 60 patients (8%) had benign lesions, while 690 (92%) had malignant ones (5.

Antecolic gastrointestinal reconstruction with pylorus dilatation. Does it improve delayed gastric emptying after pylorus-preserving pancreaticoduodenectomy?

Objective: The aim of our study focuses upon prevention of delayed gastric emptying (DGE) after pancreaticoduodenectomy using a alternative reconstruction procedure.

Method: Forty consecutive patients underwent a typical pylorus-preserving pancreaticoduodenectomy (PPPD) with antecolic reconstruction in a two-year period (January 2002 until January 2004), while a similar group of 40 consecutive patients underwent PPPD with application of pyloric dilatation between January 2004 and January 2006. Early and late complications were compared between the two groups.

Demonstration of high-energy 2 omega (526.5 nm) operation on the National Ignition Facility Laser System.

A single beamline of the National Ignition Facility (NIF) has been operated at a wavelength of 526.5 nm (2 omega) by frequency converting the fundamental 1053 nm (1 omega) wavelength with an 18.2 mm thick type-I potassium dihydrogen phosphate (KDP) second-harmonic generator (SHG) crystal.

Persistent early organ failure: defining the high-risk group of patients with severe acute pancreatitis?

Objectives: The aim of our study was to evaluate the clinical significance of prolonged organ failure during the first week of severe acute pancreatitis and the potential correlation with final outcome.

Methods: Of 234 patients with acute pancreatitis admitted to our department between January 2002 and December 2006, 64 patients with predicted severe acute pancreatitis were studied according to the presence and also the duration of organ failure early in the course of the disease.

Results: Transient (<48 h duration) or persistent (>48 h duration) early organ failure (EOF) was present in 33 of 64 patients (51.

Spatial filter pinhole for high-energy pulsed lasers.

Spatial filters are essential components for maintaining high beam quality in high-energy pulsed laser systems. The long-duration (21 ns) high-energy pulses envisioned for future inertial-confinement fusion drive systems, such as the U.S.

Computed tomography versus Acute Physiology and Chronic Health Evaluation II score in predicting severity of acute pancreatitis: a prospective, comparative study with statistical evaluation.

Objective: The aim of the study was to compare Acute Physiology and Chronic Health Evaluation II score and C-reactive protein as a clinical index and computed tomography-based severity index (CTSI) in predicting the course of acute pancreatitis.

Methods: One hundred forty-eight patients with acute pancreatitis were enrolled in the study during a 2-year period. All data concerning etiology, Atlanta classification, CT findings, Acute Physiology and Chronic Health Evaluation score, C-reactive protein levels, stay in the intensive care unit, length of hospital stay, treatment, complications, and deaths were analyzed with Mann-Whitney U, Wilcoxon, Pearson, and Spearman statistical tests.

Focal lymphoplasmacytic sclerosing pancreatitis: radiological-pathological correlation.

Objective: To correlate cross-sectional imaging findings with histological results in patients with histopathologically proven lymphoplasmacytic sclerosing pancreatitis (LSP) after surgery.

Methods: Four cases of resectable pancreatic lesions that were proven to represent LSP are presented in our study. All patients were thought to harbor malignancy.

National Ignition Facility laser performance status.

The National Ignition Facility (NIF) is the world's largest laser system. It contains a 192 beam neodymium glass laser that is designed to deliver 1.8 MJ at 500 TW at 351 nm in order to achieve energy gain (ignition) in a deuterium-tritium nuclear fusion target.

Radiation-driven hydrodynamics of high- hohlraums on the national ignition facility.

The first hohlraum experiments on the National Ignition Facility (NIF) using the initial four laser beams tested radiation temperature limits imposed by plasma filling. For a variety of hohlraum sizes and pulse lengths, the measured x-ray flux shows signatures of filling that coincide with hard x-ray emission from plasma streaming out of the hohlraum. These observations agree with hydrodynamic simulations and with an analytical model that includes hydrodynamic and coronal radiative losses.

Kinoform phase plates for focal plane irradiance profile control.

A versatile, rapidly convergent, iterative algorithm is presented for the construction of kinoform phase plates for tailoring the far-field intensity distribution of laser beams. The method consists of repeated Fourier transforming between the near-field and the far-field planes with constraints imposed in each plane. For application to inertial confinement fusion, the converged far-field pattern contains more than 95% of the incident energy inside a desired region and is relatively insensitive to beam aberrations.