Objective: To study the CT imaging of primary large bowel lymphoma and evaluate the value of CT scan. Methods: CT reports of 8 patients with proven primary large bowel lymphoma were retrospectively reviewed. Plain CT ...Objective: To study the CT imaging of primary large bowel lymphoma and evaluate the value of CT scan. Methods: CT reports of 8 patients with proven primary large bowel lymphoma were retrospectively reviewed. Plain CT scans were done on all patients, enhanced CT scans simultaneously with 5-10 mm section thickness, and 5-10 mm table increments in 6 cases. Results: Primary involved sites were on the cecum (n=3), the ascending colon (n=2), and the rectum (n=1). The tumor was found in multiple areas of the large bowel in 2 cases. CT appearance fell into 3 typical patterns in our study. The first was focal mass type in 2 cases, with one combined with intussusception and retroperitoneal adenopathy; the second was segmental annular involvement type in 3 cases, with one of them combined with mesenteric adenopathy; the last was diffuse involvement type in 2 cases. Multiple nodules were seen in the rectum in 1 case. Conclusion: CT was found to be accurate in detecting the primary sites and complications of lymphoma, and evaluating invasion of adjacent structures; Focal mass type, segmental annular involvement type and diffuse involvement type are the main patterns of CT features in the primary large bowel lymphoma; The features revealed by CT scan are suggestive of primary large bowel lymphoma in some cases.展开更多
Objective: The aim of this study was to analyze the CT and pathology features of pulmonary lymphoma and to improve the understanding of this disease. Methods: The CT findings of 23 cases with pulmonary lymphoma were r...Objective: The aim of this study was to analyze the CT and pathology features of pulmonary lymphoma and to improve the understanding of this disease. Methods: The CT findings of 23 cases with pulmonary lymphoma were retrospectively analyzed and correlated with histopathology. Results: Of the 23 cases with pulmonary lymphoma, there were Hodgkin lymphoma (5 cases) and non-Hodgkin lymphoma (18 cases). Multiple lesions were assessed in 16 cases and single lesion in 7 cases. The imaging findings were classified into 3 types: lobar and segmental involvement type (9/23 cases, 39.13%), nodular or mass-like involvement type (8/23 cases, 34.78%) and mixed type (6/23 cases, 26.09%). Air bronchogram sign (14/23 cases, 60.8%), CT angiogram sign (12/23 cases, 52.17%), ground glass opacity nodules (3/23 cases, 13.04%) and lesion across pulmonary lobes (4/23,17.39%) were the characteristic features of pulmonary lymphoma. Conclusion: Relative characteristic CT features of pulmonary lymphoma could be revealed, which shows clinical significance in the diagnosis of the disease.展开更多
Objective: Large cell carcinoma of lung is a very rare tumor. The clinical characteristics and CT imaging feature of large cell carcinoma of lung were discussed in this article. Methods: Eight cases of large cell carc...Objective: Large cell carcinoma of lung is a very rare tumor. The clinical characteristics and CT imaging feature of large cell carcinoma of lung were discussed in this article. Methods: Eight cases of large cell carcinoma of lung proven by post-operational pathology were retrospectively analyzed from 2000 to 2005 and the literature on it was reviewed. Results: All 8 cases were men. The average age of patients was 64.88 years. Seven cases were smokers. Six cases had obvious chest stuffy, short breath, thrill dry cough. Hereinto 3 cases had cardinal red blood sputum. CT images of large cell carcinoma of lung were represented as single and peripheral mass or nodule. The distribution of large cell carcinoma of lung was short of some rule. 75% focus had clear finitude. One case showed internal calcification and 2 cases showed cavity. They did not show internal fat density. Conclusion: Large cell carcinoma of lung is difficult to be diagnosed before operation. Its CT finding is nonspecific.展开更多
文摘Objective: To study the CT imaging of primary large bowel lymphoma and evaluate the value of CT scan. Methods: CT reports of 8 patients with proven primary large bowel lymphoma were retrospectively reviewed. Plain CT scans were done on all patients, enhanced CT scans simultaneously with 5-10 mm section thickness, and 5-10 mm table increments in 6 cases. Results: Primary involved sites were on the cecum (n=3), the ascending colon (n=2), and the rectum (n=1). The tumor was found in multiple areas of the large bowel in 2 cases. CT appearance fell into 3 typical patterns in our study. The first was focal mass type in 2 cases, with one combined with intussusception and retroperitoneal adenopathy; the second was segmental annular involvement type in 3 cases, with one of them combined with mesenteric adenopathy; the last was diffuse involvement type in 2 cases. Multiple nodules were seen in the rectum in 1 case. Conclusion: CT was found to be accurate in detecting the primary sites and complications of lymphoma, and evaluating invasion of adjacent structures; Focal mass type, segmental annular involvement type and diffuse involvement type are the main patterns of CT features in the primary large bowel lymphoma; The features revealed by CT scan are suggestive of primary large bowel lymphoma in some cases.
文摘Objective: The aim of this study was to analyze the CT and pathology features of pulmonary lymphoma and to improve the understanding of this disease. Methods: The CT findings of 23 cases with pulmonary lymphoma were retrospectively analyzed and correlated with histopathology. Results: Of the 23 cases with pulmonary lymphoma, there were Hodgkin lymphoma (5 cases) and non-Hodgkin lymphoma (18 cases). Multiple lesions were assessed in 16 cases and single lesion in 7 cases. The imaging findings were classified into 3 types: lobar and segmental involvement type (9/23 cases, 39.13%), nodular or mass-like involvement type (8/23 cases, 34.78%) and mixed type (6/23 cases, 26.09%). Air bronchogram sign (14/23 cases, 60.8%), CT angiogram sign (12/23 cases, 52.17%), ground glass opacity nodules (3/23 cases, 13.04%) and lesion across pulmonary lobes (4/23,17.39%) were the characteristic features of pulmonary lymphoma. Conclusion: Relative characteristic CT features of pulmonary lymphoma could be revealed, which shows clinical significance in the diagnosis of the disease.
文摘Objective: Large cell carcinoma of lung is a very rare tumor. The clinical characteristics and CT imaging feature of large cell carcinoma of lung were discussed in this article. Methods: Eight cases of large cell carcinoma of lung proven by post-operational pathology were retrospectively analyzed from 2000 to 2005 and the literature on it was reviewed. Results: All 8 cases were men. The average age of patients was 64.88 years. Seven cases were smokers. Six cases had obvious chest stuffy, short breath, thrill dry cough. Hereinto 3 cases had cardinal red blood sputum. CT images of large cell carcinoma of lung were represented as single and peripheral mass or nodule. The distribution of large cell carcinoma of lung was short of some rule. 75% focus had clear finitude. One case showed internal calcification and 2 cases showed cavity. They did not show internal fat density. Conclusion: Large cell carcinoma of lung is difficult to be diagnosed before operation. Its CT finding is nonspecific.
