Biomedical subjects
Publications and source records attributed to H M Noh.
Cryptococcoma of the sacrum was the initial presentation of systemic cryptococcosis in a patient on chronic steroid therapy for autoimmune hepatitis. The bone lesion was the only overt manifestation of systemic cryptococcal disease, which preceded other clinical manifestations and led to the subsequent diagnosis of systemic infection.
OBJECTIVE: The purpose of this study was to compare the cost of radiologic versus surgical placement of long-term hemodialysis catheters. MATERIALS AND METHODS: Our cost analysis was based on 47 long-term hemodialysis catheters radiologically placed in 45 patients and 25 catheters surgically placed in 25 patients from October 1996 through March 1997. Variable and total costs were calculated using data from the hospital administrative computer system that records the actual costs incurred by the hospital in caring for patients. RESULTS: The average total hospital cost was $926 for each radiologic placement and $1849 for each surgical placement of long-term hemodialysis catheters. The total cost saving for radiologic placement was $923 for each catheter. CONCLUSION: Radiologic placement of long-term hemodialysis catheters resulted in substantial savings over surgical placement.
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Pelvic injury is a major cause of morbidity and mortality after trauma. Accurate and timely diagnosis is essential to the orthopaedic surgeon in choosing the proper management course. Traditional radiography is an important initial mode of evaluation. Computed tomography (CT) using multiplanar and three-dimensional reconstruction is a valuable complementary modality. This article reviews the role of multiplanar and three-dimensional CT imaging in the assessment of pelvic injury.
The esophagus is involved by a wide range of pathologic processes that can be detected, defined, and staged with computed tomography (CT). These processes include esophageal carcinoma; benign esophageal tumors; inflammatory and infectious diseases; miscellaneous conditions such as Barrett esophagus, achalasia, and varices; and trauma and perforation. CT is usually performed to clarify findings seen with other imaging modalities or to stage a pathologic condition; however, it may be the primary imaging modality in some cases. Because of the critical location of the esophagus, it can be involved secondarily by other disease processes or as part of a systemic process. By being aware of the appearances of the various entities that affect the esophagus, the radiologist can play an important role in detecting and staging esophageal disease. Although the role of CT in the evaluation of esophageal disease has been controversial, recent developments such as spiral CT have the potential to renew interest in this application.
We describe the findings of an isolated common iliac artery aneurysm that formed a fistulous tract with the terminal ileum diagnosed with dynamic computed tomography (CT). The role of CT in the diagnosis of arterioenteric fistula is addressed.