Calcification in lymphoma occurring before therapy: CT features and clinical correlation
Abstract
Calcification in lymphoma occurring before therapy is rare. We assessed the prevalence, CT features, and clinical significance of calcification in nodes and masses in patients with lymphoma occurring before therapy. CT of the chest, abdomen, and pelvis of 956 newly diagnosed patients with lymphoma was evaluated prospectively for calcifications in enlarged lymph nodes and lymphoma masses. Findings were correlated with histologic type of disease, tissue parameters, and clinical course. Calcifications were further evaluated on follow-up CT. Of 956 patients with lymphoma (704 with non-Hodgkin's lymphoma and 252 with Hodgkin's lymphoma), eight patients (0.84%) showed calcifications in involved sites, seven of whom had non-Hodgkin's lymphoma and one of whom had Hodgkin's lymphoma. Calcifications were present in lymph nodes and masses in the mediastinum in five patients, in the retroperitoneum in two patients, and in the adrenal in one patient. All eight patients had the aggressive type of lymphoma. Four patients later relapsed, one of whom died. A fifth patient died after only minimal response to treatment. Calcification in patients with lymphoma occurring before therapy is rare as opposed to that in lymphoma after therapy. It occurr...Continue Reading
References
Calcification in non-Hodgkin lymphoma occurring before therapy: identification on plain films and CT
CASE RECORDS of the Massachusetts General Hospital; weekly clinicopathological exercises; case 42242
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