Experience with a simplified, standardized 4-hour gastric-emptying protocol

HA Ziessman, DV Bonta, S Goetze… - Journal of Nuclear …, 2007 - Soc Nuclear Med
Gastric-emptying studies have no accepted standard methodology or reference values. A
simplified standardized protocol with a large reference database has been proposed, with …

Extravasation of a therapeutic dose of 131I-metaiodobenzylguanidine: prevention, dosimetry, and mitigation

DV Bonta, RK Halkar, N Alazraki - Journal of Nuclear Medicine, 2011 - Soc Nuclear Med
After the extravasation of a therapeutic dose of 131 I-metaiodobenzylguanidine that produced
a radiation burn to a patient's forearm, we instituted a catheter placement verification …

Setup errors in patients treated with intensity-modulated whole pelvic radiation therapy for gynecological malignancies

JJ Haslam, AE Lujan, AJ Mundt, DV Bonta, JC Roeske - Medical Dosimetry, 2005 - Elsevier
Intensity-modulated whole pelvic radiation therapy (IM-WPRT) has decreased the incidence
of gastrointestinal complications by reducing the volume of normal tissue irradiated in …

Shortening the 4-hour gastric-emptying protocol

DV Bonta, HY Lee, HA Ziessman - Clinical nuclear medicine, 2011 - journals.lww.com
Purpose: A standardized 4-hour gastric-emptying protocol has been recommended by a
consensus panel. However, a study length of 4 hours may be inconvenient. The purpose of this …

A dosimetric analysis of acute gastrointestinal toxicity in women receiving intensity-modulated whole-pelvic radiation therapy

JC Roeske, D Bonta, LK Mell, AE Lujan… - Radiotherapy and …, 2003 - Elsevier
Purpose: To identify dosimetric factors correlated with acute gastrointestinal (GI) toxicity in
gynecology patients undergoing intensity-modulated whole pelvic radiation therapy (IM-WPRT…

Overcorrection of iodinated contrast attenuation in SPECT‐CT: Phantom studies

DV Bonta, RL Wahl - Medical physics, 2010 - Wiley Online Library
Purpose: The authors investigated the effects of iodinated contrast agents on the quantification
of radioactivity obtained using a combined single photon emission tomography (SPECT) …

Jet ventilation decreases target motion and increases yield of ENB especially in lesions with negative bronchus sign

TN Webb, DV Bonta, R Masters, C Parks… - … of Bronchology & …, 2020 - journals.lww.com
Background: Electromagnetic navigational bronchoscopy (ENB) is used to obtain peripheral
lung tissue samples for evaluation and staging of central and peripheral lung lesions. Jet …

A variable critical‐volume model for normal tissue complication probability

DV Bonta, E Fontenla, Y Lu, GTY Chen - Medical Physics, 2001 - Wiley Online Library
Predicting late‐term normal‐tissue complication probability (NTCP) after radiotherapy is an
important factor in the optimization of conformal radiotherapy. We propose a new NTCP …

Clinical intervention for quality improvement of gastric-emptying studies

DV Bonta, DC Brandon, J Hernandez… - Journal of Nuclear …, 2014 - Soc Nuclear Med
Prompted by clinical concerns for false-negative tests, we implemented a clinical intervention
consisting of a training session and an image-based verification procedure to document …

Comparison of 99mTc-DMSA Dual-Head SPECT Versus High-Resolution Parallel-Hole Planar Imaging for the Detection of Renal Cortical Defects

M Brenner, D Bonta, H Eslamy… - American Journal of …, 2009 - Am Roentgen Ray Soc
OBJECTIVE. Renal cortical scintigraphy with 99m Tc dimer captosuccinic acid (DMSA) is the
standard method to detect acute pyelonephritis and cortical scarring. Different acquisition …