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עמוד בית
Sun, 26.07.26

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January 2016
Etty Daniel-Spiegel MD, Micha Mandel PhD, Daniel Nevo MA, Avraham Ben-Chetrit MD, Ori Shen MD, Eliezer Shalev MD and Simcha Yagel MD

Background: Selection of appropriate reference charts for fetal biometry is mandatory to ensure an accurate diagnosis. Most hospitals and clinics in Israel use growth curves from the United States. Charts developed in different populations do not perform well in the Israeli population.

Objectives: To construct new reference charts for fetal biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC) and femur length (FL), using a large sample of fetuses examined at 14–42 weeks gestational age in a medical center and a community ultrasound unit located in two different regions of Israel. 

Methods: Data from the medical center and the community clinic were pooled. The mean and standard error of each measure for each week was calculated. Based on these, reference charts were calculated using quantiles of the normal distribution. The performance of the reference charts was assessed by comparing the new values to empirical quantiles.

Results: Biometric measurements were obtained for 79,328 fetuses. Growth charts were established based on these measurements. The overall performance of the curves was very good, with only a few exceptions among the higher quantiles in the third trimester in the medical center subsample.

Conclusions: We present new local reference charts for fetal biometry, derived from a large and minimally selected Israeli population. We suggest using these new charts in routine daily obstetric practice.

 

November 2015
Alexander Feldman MD, Valeria Shaikis MD, Dante Antonelli MD, Nahum Adam Freedberg MD, Malka Yahalom MD DSc and Yoav Turgeman MD
October 2015
Nadav Sarid MD, Sigi Kay PhD, Avital Angel MD, Luba Trakhtenbrot PhD , Odelia Amit MD, Yair Herishanu MD and Chava Perry MD PhD
July 2015
Smadar Eventov-Friedman MD PhD, Ayala Frumkin PhD, Benjamin Bar-Oz MD and Annick Raas-Rothschild MD
March 2015
Itay A. Sternberg MD, Benjamin F. Katz MD, Lauren Baldinger DO, Roy Mano MD, Gal E. Keren Paz MD, Melanie Bernstein BA, Oguz Akin MD, Paul Russo MD and Christoph Karlo MD

Abstract

Background: Renal hemangiomas are rare benign tumors seldom distinguished from malignant tumors preoperatively.

Objectives: To describe the Memorial Sloan-Kettering Cancer Center (MSKCC) experience with diagnosing and treating renal hemangiomas, and to explore possible clinical and radiologic features that can aid in diagnosing renal hemangiomas preoperatively.

Methods: Patients with renal hemangiomas treated at MSKCC were identified in our prospectively collected renal tumor database. Descriptive statistics were used to describe the patient characteristics and the tumor characteristics. All available preoperative imaging studies were reviewed to assess common findings and explore possible characteristics distinguishing benign hemangiomas from malignant renal tumors preoperatively.

Results: Of 6341 patients in our database 15 were identified. Eleven (73%) were males, median age at diagnosis was 53.3 years, and the affected side was evenly distributed. All but two patients were treated surgically. The mean decrease in estimated glomerular filtration rate (eGFR) after surgery was 36.3%; one patient had an abnormal presurgical eGFR and only two patients had a normal eGFR after surgery. We could not identify radiographic features that would make preoperative diagnosis certain, but we did identify features characteristic of hepatic hemangiomas that were also present in some of the renal hemangiomas.

Conclusions: Most renal hemangiomas cannot be distinguished from other common renal cortical tumors preoperatively. In select cases a renal biopsy can identify this benign lesion and the deleterious effects of extirpative surgery can be avoided.

Olga Reitblat MD, Tsahi T. Lerman MD, Olga Grisko MD, Anna Gelfand MD, Azaria Simonovich MD, Galina Novokhatko MD, Doron Zamir MD and Tatiana Reitblat MD
February 2015
Nurit Katz-Agranov MD, Amir Tanay MD, Daniel Bachar MD and Gisele Zandman-Goddard MD
January 2015
Yaniv Berger MD, Riccardo A Superina MD, Andrew P. Zbar MD, Nora Balint-Lahat MD, Nir Horesh MD and Ron Bilik MD

Background: Congenital hepatic hilar cysts are rare. Some are simple and do not require intervention, but some biliary cystic malformations impose the risk of morbidity and mortality. Objectives: To assess a series of five patients presenting with congenital hepatic hilar cysts. 

Methods: We retrospectively reviewed all cases presenting to our pediatric surgical service between January 2010 and December 2012 and found to have a congenital hepatic hilar cyst. Data regarding clinical, radiological, operative and pathological features were analyzed.

Results: Five children with congenital cyst of the hepatic hilum were identified; four of them were diagnosed prenatally. Four children had undergone surgical intervention: one with intrahepatic choledochal cyst, one with epidermoid cyst, and two with biliary atresia and an associated cyst of the common bile duct. In another case of choledochal cyst the treatment was conservative. All children except one had a good prognosis; one child with biliary atresia required liver transplantation.

Conclusions: The differential diagnosis of congenital hepatic hilar cyst includes a broad spectrum of pathologies. It is essential to diagnose biliary atresia as early as possible. Signs such as smaller cysts in association with a hypoplastic gallbladder and direct hyperbilirubinemia may be suggestive of biliary atresia.

Yael Adler-Levy MD, Simcha Yagel MD, Michael Nadjari MD, Yaakov Bar-ziv MD, Natalia Simanovsky MD and Nurith Hiller MD
Background: Sonographic evaluation of congenital skeletal dysplasias is often challenging. Ultrasound may be limited in demonstrating the skeleton and may overlook specific signs of skeletal abnormality. Computed tomography (CT) with 3D reconstruction was proposed as an aid in the diagnosis of skeletal dysplasias.

Objectives: To describe our experience with 3D-CT imaging for the evaluation of suspected skeletal dysplasias.

Methods: The study group comprised 20 pregnant women carrying 22 fetuses, referred for further evaluation by CT following sonographic suspicion of fetal skeletal dysplasia at 17–39 weeks of gestation. Examinations were performed using various CT protocols. Radiation exposure was decreased during the study period, with eventual lowering of the dose to 1–3 mSv. Meticulous review of the skeleton and long bone measurements were performed on 3D reconstructions. For cases of pregnancy termination, the postmortem diagnosis was compared retrospectively with the CT findings.

Results: Very low dose CT protocols provided excellent diagnostic images. Of 22 fetuses suspected of having skeletal dysplasia on ultrasound, 8 were found by CT to be dysplastic and in 7 the pregnancy was terminated. Postmortem findings, when available, concurred with the CT diagnosis. The remaining 14 fetuses within this cohort were found to be normal according to CT and were carried to term.

Conclusions: 3D-CT may be a valuable complimentary imaging tool to ultrasound for the diagnosis of skeletal dysplasias. Using low dose protocols makes this examination relatively safe, and in the appropriate clinical context may assist in making difficult decisions prenatally.
December 2014
Vera Stejskal PhD
Background: The multiple symptoms of chronic fatigue syndrome (CFS) and fibromyalgia resemble those described in patients suffering from autoimmune/inflammatory syndrome induced by adjuvants (ASIA). It has been suggested that chronic metal-induced inflammation might play a role both in CFS and fibromyalgia as well as in ASIA. Humans are exposed to metals mainly through the release of metal ions from corroding dental restorations and orthopedic implants, food, vaccines and jewelry. Metals readily bind to sulphur and other groups in the mitochondria, enzymes and cell proteins. Metal-bound proteins are recognized by the immune system of susceptible subjects and might trigger an abnormal immune response, including allergy and autoimmunity.

Objectives:  To study three subjects with CFS and two with fibromyalgia, all of whom suspected metal exposure as a trigger for their ill health.

Methods: We measured delayed-type hypersensitivity to metals (metal allergy) using a validated lymphocyte transformation test, LTT-MELISA®. All patients except one were sensitized to metals present in their dental restorations. The remaining patient reacted to metals in his skull implant. The removal of sensitizing metals resulted in long-term health improvement. Nine healthy controls matched for gender and age showed only marginal reactivity to the metals tested.

Conclusions: Patients with CFS and fibromyalgia are frequently sensitized to metals found in the environment or used in dentistry and surgery. This allergy to metals might initiate or aggravate non-specific symptoms in metal-sensitized patients.
October 2014
Yael Bar-On MD, Varda Shalev MD, Dahlia Weitzman PhD, Gabriel Chodick PhD and Howard Amital MD MHA
August 2014
Matti Eskelinen MD PhD, Tuomas Selander MSc, Pertti Lipponen MD PhD and Petri Juvonen MD PhD

Background: The primary diagnosis of functional dyspepsia (FD) is made on the basis of typical symptoms and by excluding organic gastrointestinal diseases that cause dyspeptic symptoms. However, there is difficulty reaching a diagnosis in FD.

Objectives: To assess the efficiency of the Usefulness Index (UI) test and history-taking in diagnosing FD.

Methods: A study on acute abdominal pain conducted by the World Organizati­on of Gast­roentero­logy Research Committee (OMGE) included 1333 patients presenting with acute abdo­minal pain. The clinical history-taking variables (n=23) for each pa­tient were recorded in detail using a prede­fined structured data collection sheet, and the collected data were compared with the final diagnoses.

Results: The most signifi­cant clinical history-taking variables of FD in univa­riate analysis were risk ratio (RR): location of pain at diagnosis (RR = 5.7), location of initial pain (RR = 6.5), previous similar pain (RR = 4.0), duration of pain (RR = 2.9), previous abdominal surgery (RR = 4.1), previous abdominal diseases (RR = 4.0), and previous indigestion (RR = 3.1). T­he sensi­tivity of the physicians’ initial de­cisi­on in detecting FD was 0.44, speci­fi­city 0.99 and effi­ciency 0.98; UI was 0.19 and RR 195.3. In the stepwise multivariate logistic regression analysis, the independent predictors of FD were the physicians’ initial decision (RR = 266.4), location of initial pain (RR = 3.4), duration of pain (RR = 3.1), previous abdominal surgery (RR = 3.7), previous indigestion (RR = 2.2) and vomiting (RR = 2.0).

Conclusions: The patients with upper abdominal pain initially and a previous history of abdominal surgery and indigestion tended to be at risk for FD. In these patients the UI test could help the clinician differentiate FD from other diagnoses of acute abdominal pain.

July 2014
Arnon Blum MD, Saleh Nazzal MD and Avi Peretz PhD
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