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עמוד בית
Mon, 26.02.24

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December 2023
Nitzan Maixner MD PhD, Yulian Weissbuch MD, Howard Amital MD MHA, Zehavit Kirshenboim MD

Metastatic spinal cord compression (MSCC) is a medical emergency requiring rapid diagnosis and intervention to avoid irreversible neurological damage [1]. While MSCC is best diagnosed by magnetic resonance imaging (MRI), this modality is often limited and is usually preceded by a computed tomography (CT) scan of the spine.

May 2023
Larisa Gorenstein MD, Shelly Soffer MD, Eyal Klang MD

Gallbladder metastasis is an extremely rare entity [1]. It is mainly secondary to melanoma but has also been reported as originating from breast cancer, renal cell carcinoma, and gastric cancer. Its diagnosis is often late in the advanced stage of the disease with the involvement of other organ systems [2].

We present a case of a patient who developed gastric cancer gallbladder metastasis. These findings are usually incidental on pathology of cholecystectomy specimens [1]. In our case, the metastatic lesion was demonstrated on magnetic resonance imaging (MRI) prior to surgery. Of note, the lesion had a similar enhancement pattern to the primary tumor.

October 2019
Michal Sagiv MD and Gleb Slobodin MD
May 2016
Netanel Elkabetz MD, Danielle Bracco BA, Galit Zlotnik MD, Abdulla Watad MD, Stefan Mausbach MD and Howard Amital MD MHA
December 2013
February 2013
O. Halshtok Neiman, S. Sadetzki, A. Chetrit, S. Raskin, G. Yaniv and C. Hoffmann
 Background: MRI differentiation between metastases and high grade gliomas is a challenging task. Contrast enhancement and size of edema do not provide clear-cut differentiators. The differences in the properties of the peritumoral edema between these tumor types may be exploited to distinguish between them, using MRI perfusion sequences, which are capable of imaging edema in the clinical setting and may be a reliable method to make this differentiation.

Objectives: To assess the ability of perfusion-weighted imaging to differentiate between high grade gliomas and brain metastases.

Methods: During 5 months, 21 patients (age 40–85, median age 61, 16 males and 5 females) with either glioblastoma multiforme (GBM) or metastasis (pathology proven), underwent MRI for assessment of the tumor prior to surgery. Most of the scans were done at 3 Tesla. The scans included perfusion-weighted imaging sequences. Perfusion in the tumor, in the peritumoral edema and in normal tissue were assessed using Functool® software. The ratios of tumor perfusion and peritumoral edema perfusion to normal tissue perfusion were calculated and compared.

Results: Bleeding artifact precluded perfusion assessment in four patients. There was no statistically significant difference between the tumor perfusion ratios of high grade gliomas and those of metastases. The edema perfusion ratios were higher in GBM than in metastases (P = 0.007).

Conclusions: Perfusion-weighted imaging of peritumoral edema can help to differentiate between GBM and metastases.

April 2011
S. Billan, R. Abdah-Bortnyak, H. Cohen, R. Bar-Shalom, J. Guilburd, M. Kraus, A. Kuten and M. Weyl Ben Arush
May 2010
H. Rosenblum, Y. Bar-Dayan, Z. Dovrish, S. Lew, N. Weisenberg, A. Neumann, T. Klein and H. Amital

Background: Obstruction of urine outflow can result from mechanical blockade as well as from functional defects. In adults, urinary tract obstruction is due mainly to acquired defects, such as pelvic tumors, calculi, and urethral stricture. In childhood it is mostly due to congenital malformations. In this article we present two rare cases of acute obstructive renal failure that presented with hydronephrosis. These cases underline the wide range of causes that may lead to this clinical feature. 

O. Ben-Ishay, P. Shmulevsky, E. Brauner, E. Vladowsky and Y. Kluger
R. Pomp, Y. Segev, O. Segol, R. Auslender and O. Lavie
April 2009
October 2008
S. Bortnik, D. J Cohen, L. Leider-Trejo and I. G Ron
February 2007
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