Information on diagnosis and management of systemic lupus erythematosus derived from the routine measurement of 8 nuclear autoantibodies.

GP Ignat, AC Rat, JJ Sychra, J Vo, J Varga… - The Journal of …, 2003 - jrheum.org
OBJECTIVE: To determine the value of routine measurement of a panel of 8 nuclear
autoantibodies (ANA/8) for the diagnosis and management of patients with systemic lupus …

Cerebral perfusion SPECT imaging in epileptic and nonepileptic seizures

…, OADE LEóN, TH Jobe, Q Lin, JJ Sychra… - Clinical nuclear …, 1997 - journals.lww.com
Patients with epileptic and nonepileptic seizures are commonly encountered in clinical
practice, and they can pose a difficult diagnostic problem. We present two cases that show the …

Language-activated Single-photon Emission Tomography Imaging in the Evaluation of Language Lateralization–Evidence from a Case of Crossed Aphasia: Case …

E Gomez-Tortosa, EM Martin, JJ Sychra… - Neurosurgery, 1994 - journals.lww.com
WE REPORT A right-handed patient who developed a nonfluent aphasia after surgery for a
right parietal arteriovenous malformation. Resting brain single-photon emission tomography …

Postoperative cognitive and single photon emission computed tomography assessment of patients with resection of perioperative high-risk arteriovenous …

E Gómez-Tortosa, JJ Sychra, EM Martin, M Arteaga… - …, 1995 - journals.lww.com
WE STUDIED THE outcome of 10 patients who had undergone high-risk surgery for an
arteriovenous malformation at our institution between November 1991 and November 1993. All …

Fourier classification images in cardiac nuclear medicine

JJ Sychra, DG Pavel, E Olea - IEEE transactions on medical …, 1989 - ieeexplore.ieee.org
At present, the diagnosis of cardiac left ventricular regional wall motion abnormalities (RWMA)
in nuclear medicine is aided mainly by phase images and amplitude images, which …

MR image classification algorithms for neurosurgical and stereotactic radiosurgical trajectory planning and volumetric analysis

AB Jani, JJ Sychra - Neurological Research, 1995 - Taylor & Francis
Neurosurgical and stereotactic radiosurgical trajectory planning involves a phase of image
data acquisition followed by localization of tissues to be avoided or crossed during the …

Radionuclide synthetic Fourier images of cardiac wall motion abnormalities

JJ Sychra, DG Pavel, E Olea - Medical physics, 1989 - Wiley Online Library
At present, the phase images together with amplitude images are used in nuclear medicine
to aid the diagnosis of cardiac regional wall motion abnormalities (RWMA). The phase …

'Morphing'class filter: An interactive tool for continous adjustment of tissue type related contrast

JJ Sychra, DB Hier, MF Mafee - Neurological Research, 1995 - Taylor & Francis
The proposed class filter increases tissue type related contrast in MR images of brain.
During the first phase of the filtering process tissue type classes are defined. This is done by …

Synthetic MR Images With Enhanced Tissue Contrast By Supervised Pixel Intensity Subspace Methods

JJ Sychra, K Chan, V Capek… - Science and Engineering …, 1989 - spiedigitallibrary.org
Synthetic MR images that enhance tissue related contrast are proposed and compared.
They are based on a subset supervised subspace methods. Advantages and weaknesses of …

A strategy for Compton scatter correction in brain SPECT by orthogonal image expansions assisted by neural networks

jerry j Sychra, MJ Blend - Neurological Research, 1995 - Taylor & Francis
The simultaneous dual energy acquisition is often required for accurate co-registration of brain
images of both energy windows. However* the reconstructed images in the lower energy …