Patrick J O'Toole

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Vascular malformations are abnormal proliferations of the endothelial lining of the blood vessels that are most commonly found in skin and can penetrate the local soft tissue and muscle. Only 1% of all vascular malformations are found in the bone. Skeletal vascular malformations of the long bones, including the humerus, are extremely rare entities that are(More)
BACKGROUND Parkinson's disease (PD) usually emerges with a unilateral side-of-onset (left-onset: LOPD; right-onset: ROPD; Marinus & van Hilten, 2015) due to an asymmetrical degeneration of striatal dopaminergic neurons (Donnemiller et al., Brain, 135, 2012, 3348). This has led to a body of research exploring the cognitive, neuropsychological, and clinical(More)
Intraoperative radiographic guidance has traditionally been utilized in orthopedic surgery through 2-D navigation with the C-arm and recently with 3-D navigation with the O-arm. The aim of this study was to describe the outcome of surgical treatment of spinal osteoblastoma and osteoid osteoma with the utilization of the O-arm and conventional C-arm(More)
Alice in Wonderland Syndrome was originally coined by Dr. John Todd in 1955. The syndrome is named after the sensations experienced by the character Alice in Lewis Carroll's novel Alice's Adventures in Wonderland. Alice in Wonderland Syndrome consists of metamorphopsia (seeing something in a distorted fashion), bizarre distortions of their body image, and(More)
Tendon sheath fibromas are rare, benign soft-tissue tumours and usually involve tendons of the upper extremities, particularly the fingers. The most common presentation is a painless, slow-growing swelling. Tendon sheath fibromas are composed of dense fibrocollagenous stromas with scattered, spindle-shaped fibroblasts and narrow, slit-like vascular spaces.(More)
BACKGROUND Tibial pseudoarthrosis is a source of considerable morbidity in children with neurofibromatosis. Preventing the progression of anterolateral bowing of the tibia (ALBT) to tibial pseudoarthrosis is difficult. The aim of this paper is to report the successful use of guided growth to prevent tibial pseudoarthrosis in a child with neurofibromatosis.(More)
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