Calcification in pelvic lymph nodes containing Hodgkin's disease following radiotherapy.

The appearance of roentgenographically demonstrable calcification in intrathoracic lymph nodes containing Hodgkin's disease following radiotherapy is an unusual but recognized occurrence. This report describes two patients with Hodgkin's disease in whom similar lymph node calcifications developed in involved pelvic nodes following radiotherapy. Such calcification appears to be secondary to tumor degeneration which may result from a variety of postulated causes, including radiotherapy.