Chul-Joo Yoo

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BACKGROUND To determine the predictive value of a single lesion versus multifocal disease for differentiating primary and secondary gastrointestinal (GI) lymphoma on barium studies. METHODS Our study group consisted of 90 cases of non-Hodgkin's GI lymphoma from the radiologic archives of the Armed Forces Institute of Pathology in which barium studies had(More)
PURPOSE To determine the radiographic findings of low-grade gastric mucosa-associated lymphoid tissue (MALT) lymphoma on double-contrast upper gastrointestinal studies. MATERIALS AND METHODS Pathology records, double-contrast upper gastrointestinal studies, and medical records of six patients with gastric MALT lymphoma were retrospectively reviewed. (More)
BACKGROUND We describe the findings on esophagography, the frequency and appearance of leaks after laparoscopic Heller myotomy and fundoplication, and the utility of early postoperative studies for predicting clinical outcome. METHODS Our study group consisted of 40 patients who underwent laparoscopic Heller myotomy and fundoplication in whom radiographic(More)
OBJECT A radiation dose of 40-50 Gy is able to produce a cure rate of more than 90% in intracranial pure germinoma. However, many attempts have been made to reduce the dose and volume of radiation without compromising the disease control rate because of the toxicity of irradiation. This retrospective study is intended to provide the physician with an(More)
PURPOSE To evaluate the radiographic findings in a series of patients with primary malignant melanoma of the esophagus. MATERIALS AND METHODS Seven cases of primary esophageal melanoma were collected from the Hospital of the University of Pennsylvania and the radiologic archives of the Armed Forces Institute of Pathology. All patients underwent(More)
Myofibroblastoma of the breast is a recently recognized benign mesenchymal mammary tumor that typically occurs as a unilateral, solitary lesion. Myofibroblastomas are well-circumscribed, unencapsulated tumors characterized by spindle cells in fascicles which exhibit varying degrees of myogenic and fibroblastic differentiation. Our case reports a mammary(More)
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