FSE sequence was less sensitive to mild cartilage abnormality but useful in detecting moderate to severe abnormality and in evaluating the degree of articular cartilage abnormality.
Fat-suppressed Gd-enhanced T1-weighted SE images can clearly demonstrate most of the essential lesions in RA including the proliferative synovium, bone erosion, bone marrow inflammatory change, and tenosynovitis. Scoring based on the extent of Gd-enhancement of synovium can be useful in the assessment of the inflammatory status.
MR signal intensity change in the deep posterior cervical paraspinal muscles is related to denervation and suggests the presence of nerve root avulsion.
We report 2 cases of adrenal pseudocysts that resulted from hemorrhage into a normal adrenal gland and that showed atypical imaging features on computerized tomography and ultrasonography. The presence of a solid component within the mass and/or central calcification, which is unlike the typical features of adrenal pseudocyst, suggested a diagnosis of adrenal tumor. The solid component diminished on computerized tomography in 26 days in case 1 and in 16 days in case 2, which seemed to represent resolving hematoma. The atypical appearance of these adrenal pseudocysts, especially the changeable pattern of the solid component within the mass, should be kept in mind to ensure a correct preoperative diagnosis.
A 50-year-old man with a 30-year history of alcohol abuse was admitted because of abdominal pain. Based on an elevated serum amylase level and abdominal computed tomography findings, a diagnosis of alcoholic pancreatitis was made. The pancreatitis improved after 1 month of conservative therapy, but the patient complained of a tender right ankle that showed no abnormal findings on X-ray examination. Two months later, the patient was readmitted for recurrent pancreatitis and a swollen, warm, tender right ankle. Imaging studies, including plain radiographs, magnetic resonance imaging, and a bone scintigram showed the typical findings of intraosseous fat necrosis of the right tibia. We report a rare case of intraosseous fat necrosis associated with alcoholic pancreatitis.
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