Pediatric cervical spine: normal anatomy, variants, and trauma

ES Lustrin, SP Karakas, AO Ortiz, J Cinnamon… - Radiographics, 2003 - pubs.rsna.org
Emergency radiologic evaluation of the pediatric cervical spine can be challenging because
of the confusing appearance of synchondroses, normal anatomic variants, and injuries that …

Vertebroplasty versus kyphoplasty: a comparison and contrast

JM Mathis, AO Ortiz, GH Zoarski - American journal of …, 2004 - Am Soc Neuroradiology
The phrase “vertebroplasty versus kyphoplasty” evokes images of competitive procedures
and groups of entrenched physicians locked in battle. Our involvement in the development …

Computed tomography evaluation of spondylolysis and spondylolisthesis in asymptomatic patients

LM Belfi, AO Ortiz, DS Katz - Spine, 2006 - journals.lww.com
Study Design. A retrospective radiographic study involving analysis of abdominal and pelvic
computed tomography (CT) scans obtained on patients presenting with clinical conditions …

Correlation of allergy and severity of sinus disease

HH Ramadan, R Fornelli, AO Ortiz… - American journal of …, 1999 - journals.sagepub.com
Allergy is an important consideration in the evaluation of patients with rhinosinusitis. Several
studies have addressed staging systems for rhinosinusitis based on the extent of disease …

ACR appropriateness criteriaŽ low back pain: 2021 update

…, CH Hunt, MA Khan, T Moritani, AO Ortiz… - Journal of the American …, 2021 - Elsevier
In the United States, acute low back pain, with or without radiculopathy, is the leading cause
of years lived with disability and the third ranking cause of disability-adjusted life-years. …

Indications for CT in patients receiving anticoagulation after head trauma

AM Gittleman, AO Ortiz, DP Keating… - American journal of …, 2005 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Head CT is frequently ordered for trauma patients who
are receiving anticoagulation. However, whether patients with a Glasgow Coma Scale (GCS) …

ACR appropriateness criteriaŽ suspected spine infection

AO Ortiz, A Levitt, LM Shah, MS Parsons… - Journal of the American …, 2021 - Elsevier
Spine infection is both a clinical and diagnostic imaging challenge due to its relatively indolent
and nonspecific clinical presentation. The diagnosis of spine infection is based upon a …

Radiation safety during spine interventions

…, N Venkataramanan, V Koehler, AO Ortiz - Journal of vascular and …, 2005 - Elsevier
Image-guided spine interventions are being performed by radiologists and other physicians
with increased frequency. This article assesses the use of several techniques and devices …

Improved outcomes with direct percutaneous CT guided lumbar synovial cyst treatment: advanced approaches and techniques

AO Ortiz, L Tekchandani - Journal of NeuroInterventional Surgery, 2014 - jnis.bmj.com
Purpose To determine if lumbar synovial cyst rupture in symptomatic patients results in
improved clinical outcome when using direct tandem and/or coaxial percutaneous CT guided …

Radiologic evaluation and management of postoperative spine paraspinal fluid collections

NK Jain, K Dao, AO Ortiz - Neuroimaging Clin N Am, 2014 - books.google.com
Paraspinal fluid collections are often seen after spine surgery. This increased frequency is
likely due to surgical manipulation, but may also reflect other factors such as the extent of the …