Radiologic Findings of Cholangiolocellular Carcinoma: A Case Report

Cholangiolocellular carcinoma is a rare lesion, intermediate in type between hepatocellular and cholangio-cellular carcinoma. The radiologic findings of cholangiolocellular carcinomas have not been reported. We describe the ultrasound, CT, MR, and angiographic findings of a case of cholangiolocellular carcinoma not associated with liver cirrhosis.

MR Findings of Eosinophilic Granuloma

PURPOSE: To describe the MR findings for the three phases of eosinophilic granuloma, as defined by Mirra 'sconventional radiographic criteria. MATERIALS AND METHODS: Eighteen lesions in 14 patients with proveneosinophilic granuloma were retrospectively analyzed. Among this total, three vertebral lesions were excluded,and the remaining is were classified as early, middle, or late phase on the basis of Mirra's radiographiccriteria. For each phase, we compared MR findings with regard to signal intensity, homogeneity, contrastenhancement, perilesional marrow edema, and soft tissue change. For the three vertebral lesions excluded becausethe application of radiographic criteria was difficult, MR findings for paravertebral soft tissue reaction anddegree of cord compression were compared. RESULTS: Of the fifteen cases classified, eight were early phase, fivewere mid phase, and two were late phase. During each phase, all lesions except one, as seen on T1-weightedimages(T1W1), showed iso-signal intensity. On T2WI, all lesions showed high signal intensity. Contrast studydemonstrated marked contrast enhancement. Thus, no remarkable differences were found in the signal intensitydegree of contrast enhancement of each phase. With regard to heterogeneity, this was demonstrated in most earlyphase lesions, reflecting necrosis and hemorrhage of those lesions. Soft tissue swelling was more severe duringthe early phase than the mid or late phase, but marrow edema was similar in each of the three phase. One of threepatients with vertebra plana showed para-vertebral soft tissue swelling and cord compression, but this was notseen in the two other cases. CONCLUSION: For evalvating the extent of eosinophilic granuloma and its relationshipwith surrounding structures, MRI was superior to conventional radiography. During the early phase of the disease,lesions showed greater inhomogeneity and more aggressive soft tissue reaction than during the mid and late phase.The use of MRI for the evalvation of eosinophilic granuloma can help decide a therapeutic plan of action andfollow up evaluation.

Correlation of Posterior Echo Patterns and Histopathologic Features in Invasive Ductal Carcinoma of Breast / 영남의대학술지

No abstract available.

The Usefulness of Scoring System Distinguishing between Benign and Malignant Breast Masses on Ultrasonogram

PURPOSE: To evaluate a scoring system based on ultrasonographic findings as a means of distinguishing between benign and malignant solid breast masses. MATERIALS AND METHODS: Histopathologically confirmed benign (n=102) and malignant (n=73) breast masses which ultrasonographic findings of histopathologic masses were reviewed for shape, border, internal echo, boundary echo, posterior echo, lateral echo, and ratio of transverse to anteroposterior diameter. There were statistically significant (p < 0.001 ; chi-square test) differences in each feature for benign and malignant lesions. The findings suggesting benignancy, equivocality, and malignancy of the masses were scored as 0, 1, and 2 respectively. The scores for all features were summed for each lesion. An ROC curve was obtained. RESULTS: When the score was 6, five benign and seven malignant cases were found. Scores of 0 and 1 indicated benign masses and a score above 11, malignancy. The turning point was a score of 6, so a score above 7 suggests malignancy. CONCLUSION: A ultrasonographic scoring system can be used to characterise breast masses. A score of a mass above 7 suggests probable malignancy and a score below 5 suggests benignancy.