Papers by Horacio D'Agostino
The Journal of the Louisiana State Medical Society, 2010
Parosteal lipomas (PL) account for 0.3% of all lipomas. They are composed of adipose tissue adjac... more Parosteal lipomas (PL) account for 0.3% of all lipomas. They are composed of adipose tissue adjacent to the bone cortex and elicit bony reactive changes. Location of this typically slow-growing indolent lesion in the ribs is unusual. Albeit a benign condition, PL imaging findings may be misinterpreted as a malignant lesion. We present a patient with a PL in which a surgical biopsy was performed. Distinctive features of PL in the computed tomographic (CT) scan and magnetic resonance image (MRI) are described. Familiarity with the characteristic radiographic PL signs assist in avoiding invasive diagnostic studies. Lipomas are benign tumors consisting of mature fat cells. They are the most common mesenchymal neoplasias and account for 50% of all soft tissue tumors. Their location varies from superficial to deep seated lesions. Musculoskeletal lipomatous lesions may be located in bones, soft tissues, and may also affect joint and tendon sheaths. PL is a rare benign deep fatty-tissue tumor that arises contiguous to the periosteum without originating from it. In 1836, Seering was the first in describing this lesion and named it "periosteal lipoma." Upon realization that there are no adipocytes in the periosteum, the term was changed to the more descriptive "parosteal lipoma" by Power in 1888. This is a case report of a patient with a chest wall mass that on CT scan and MRI had the typical PL appearance. This pattern allows one to identify the lesion and thus, to differentiate it from malignant conditions.
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PubMed, May 1, 2000
Renovascular hypertension is part of the spectrum of hypertensive disease. Although uncommon (1% ... more Renovascular hypertension is part of the spectrum of hypertensive disease. Although uncommon (1% to 5% of the cases) in comparison to essential hypertension, it is a potentially curable form of the disease. We review the different tools available for the evaluation and treatment of this condition.
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Radiology Case Reports, Aug 1, 2018
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PubMed, 1996
Our study was aimed at comparing the therapeutic efficiency of single and double lumen catheters ... more Our study was aimed at comparing the therapeutic efficiency of single and double lumen catheters in the drainage of abdominal fluid collections. We report the results of in vitro and in vivo studies carried out to assess the usefulness of each catheter type based on its therapeutic results. In the in vitro study the aspiration efficacy of the catheters was tested in a simulated cavity. In the in vivo study 188 patients with 206 fluid collections in the abdomen were examined; the patients had been treated percutaneously with single or double lumen catheters, randomly. In each patient we studied drainage efficiency related to aspiration efficacy, the time the catheter rested in the cavity, patient's discomfort and finally the cost of both the device and hospitalization. Some patients underwent surgery for specific reasons, but nevertheless their clinical conditions were absolutely improved thanks to percutaneous drainage. The results of this study yield useful clinical data to choose the most suitable catheter for the percutaneous treatment of abdominal fluid collections. Single lumen catheters work better than double lumen ones, the latter being also more expensive. Hospitalization time is also reduced when single lumen catheters are used.
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Journal of Endovascular Therapy, Aug 1, 2004
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Radiographics, Nov 1, 2014
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Investigative Radiology, Dec 1, 1991
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Gastrointestinal Endoscopy, Aug 1, 2012
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Journal of Digital Imaging, Feb 9, 2010
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Pancreas, 2013
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Skull Base Surgery, May 17, 2006
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Journal of Vascular and Interventional Radiology, Feb 1, 2008
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Hpb, Apr 1, 2016
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Journal of Digital Imaging, Sep 18, 2006
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Current Problems in Diagnostic Radiology, Nov 1, 2019
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Investigative Radiology, Mar 1, 1994
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Journal of Vascular and Interventional Radiology, Nov 1, 2008
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Rivista Di Neuroradiologia, Apr 1, 2008
The patient is a female neonate, born at 40 weeks gestation to a 34-year-old Hispanic woman, Grav... more The patient is a female neonate, born at 40 weeks gestation to a 34-year-old Hispanic woman, Gravida 2, Para 2. Her mother had eight prenatal examinations and took prenatal vitamins starting at 16 weeks’ gestation. Her mother had an older, healthy child and a sister with an anterior chest wall abnormality. During pregnancy she was treated with an unknown drug by her dentist. The maternal laboratory tests were negative and showed that she was rubella immune. The newborn had apgar scores of 8 and 9 at one and five minutes, respectively. Physical examination revealed a 5.5 cm × 3.5 cm × 2.5 cm erythematous swelling over the midline lumbosacral area. The neurological examination demonstrated no plantar flexion or leg extension and the child was alert, active and without acute distress. The head had a normal shape and the anterior fontanel was open and flat. Prior to surgical intervention, the newborn was studied with magnetic resonance imaging (MRI) of the brain with the following sequences: spin echo (SE) T1 in the sagittal and axial planes, axial SE T2, and axial fluid attenuation inversion recovery (FLAIR). The lumbar spine was studied with sagittal SE T1 and T2 and axial T2. The MRI of the spine confirmed a large bony vertebral defect of the lumbar spine with meninges and neural tissue herniating through the defect. The spinal cord was contained inside the herniated meninges which, in turn, was covered with skin. The findings inside the head were unremarkable; the corpus callosum was apparently normal, the lateral ventricles slightly dilated, and the posterior fossa and its contents normal in size, distribution, and MRI signal characteristics. Corrective spine surgery was performed in the first 48 hours and at discharge examination the child presented the same neurologic defects described at birth.
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The cancer journal, Nov 1, 2003
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Papers by Horacio D'Agostino